Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_9_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_9_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007457/0.007457, allocations: 98.42 kB / 15.73 MB, free: 6.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001754/0.001754, allocations: 196.5 kB / 16.67 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.306/1.306, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.211/2.211, allocations: 390.3 MB / 0.6648 GB, free: 0.6406 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001527/0.001527, allocations: 63.91 kB / 0.9504 GB, free: 8.133 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8592/0.8607, allocations: 140.4 MB / 1.087 GB, free: 5.281 MB / 0.8575 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pmpSouth.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pmpNorth.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pumpHea.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pumpCoo.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.3525/1.213, allocations: 355.5 MB / 1.435 GB, free: 9.676 MB / 1.17 GB Notification: Performance of NFInst.instExpressions: time 0.1123/1.326, allocations: 72.94 MB / 1.506 GB, free: 0.5469 MB / 1.232 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01941/1.345, allocations: 425.5 kB / 1.506 GB, free: 132 kB / 1.232 GB Notification: Performance of NFTyping.typeComponents: time 0.02041/1.365, allocations: 5.432 MB / 1.512 GB, free: 10.67 MB / 1.248 GB Notification: Performance of NFTyping.typeBindings: time 0.04176/1.407, allocations: 14.17 MB / 1.525 GB, free: 12.45 MB / 1.264 GB Notification: Performance of NFTyping.typeClassSections: time 0.02406/1.431, allocations: 9.796 MB / 1.535 GB, free: 2.723 MB / 1.264 GB Notification: Performance of NFFlatten.flatten: time 0.05361/1.485, allocations: 37.94 MB / 1.572 GB, free: 12.68 MB / 1.311 GB Notification: Performance of NFFlatten.resolveConnections: time 1.444/2.929, allocations: 19.9 MB / 1.592 GB, free: 77.14 MB / 1.311 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04089/2.97, allocations: 17.25 MB / 1.608 GB, free: 77.12 MB / 1.311 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03505/3.005, allocations: 15.94 MB / 1.624 GB, free: 75.21 MB / 1.311 GB Notification: Performance of NFPackage.collectConstants: time 0.01101/3.016, allocations: 1.892 MB / 1.626 GB, free: 75.21 MB / 1.311 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02356/3.04, allocations: 5.733 MB / 1.631 GB, free: 75.21 MB / 1.311 GB Notification: Performance of NFScalarize.scalarize: time 0.01246/3.052, allocations: 5.845 MB / 1.637 GB, free: 74.54 MB / 1.311 GB Notification: Performance of NFVerifyModel.verify: time 0.02574/3.078, allocations: 10.44 MB / 1.647 GB, free: 71.86 MB / 1.311 GB Notification: Performance of NFConvertDAE.convert: time 0.05184/3.13, allocations: 29.32 MB / 1.676 GB, free: 68.14 MB / 1.311 GB Notification: Performance of FrontEnd - DAE generated: time 7.644e-06/3.13, allocations: 3.5 kB / 1.676 GB, free: 68.14 MB / 1.311 GB Notification: Performance of FrontEnd: time 1.894e-06/3.13, allocations: 0 / 1.676 GB, free: 68.14 MB / 1.311 GB Notification: Performance of Transformations before backend: time 0.0009725/3.131, allocations: 3.438 kB / 1.676 GB, free: 68.14 MB / 1.311 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2029 * Number of variables: 2029 Notification: Performance of Generate backend data structure: time 0.08127/3.212, allocations: 22.88 MB / 1.698 GB, free: 59.66 MB / 1.311 GB Notification: Performance of prepare preOptimizeDAE: time 8.039e-05/3.213, allocations: 8.969 kB / 1.698 GB, free: 59.66 MB / 1.311 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00848/3.221, allocations: 1.046 MB / 1.699 GB, free: 59.58 MB / 1.311 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01749/3.239, allocations: 2.68 MB / 1.702 GB, free: 58.49 MB / 1.311 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04585/3.284, allocations: 18.32 MB / 1.72 GB, free: 54.07 MB / 1.311 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00107/3.286, allocations: 0.6704 MB / 1.72 GB, free: 54.05 MB / 1.311 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.007415/3.293, allocations: 0.9395 MB / 1.721 GB, free: 54.03 MB / 1.311 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05083/3.344, allocations: 16.69 MB / 1.738 GB, free: 49.02 MB / 1.311 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005049/3.344, allocations: 13.12 kB / 1.738 GB, free: 49.02 MB / 1.311 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005256/3.35, allocations: 328 kB / 1.738 GB, free: 49.02 MB / 1.311 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003809/3.35, allocations: 362.1 kB / 1.738 GB, free: 48.98 MB / 1.311 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04035/3.39, allocations: 21.17 MB / 1.759 GB, free: 45.79 MB / 1.311 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1548/3.545, allocations: 81.02 MB / 1.838 GB, free: 7.965 MB / 1.342 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02613/3.571, allocations: 13.13 MB / 1.851 GB, free: 10.83 MB / 1.358 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01852/3.59, allocations: 10.07 MB / 1.861 GB, free: 0.7383 MB / 1.358 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt evalFunc (simulation): time 0.09097/3.681, allocations: 35.37 MB / 1.895 GB, free: 13.1 MB / 1.404 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02121/3.702, allocations: 10.02 MB / 1.905 GB, free: 3.02 MB / 1.404 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02415/3.727, allocations: 5.797 MB / 1.911 GB, free: 13.39 MB / 1.42 GB Notification: Performance of pre-optimization done (n=596): time 3.667e-05/3.727, allocations: 0 / 1.911 GB, free: 13.39 MB / 1.42 GB Notification: Performance of matching and sorting (n=912): time 1.095/4.822, allocations: 247.6 MB / 2.153 GB, free: 4.68 MB / 1.654 GB Warning: The linear system: 1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : valNorth2[5].dp = valNorth2[2].port_a.p - valNorth2[5].port_b.p 3 : tabsNorth2[5].dp = valNorth2[5].port_b.p - tabsSouth1[1].port_b.p 4 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ valNorth2[7].port_b.p ; tabsSouth1[1].port_b.p ; valNorth2[5].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[7].dp ; -valNorth2[5].dp ; -tabsNorth2[5].dp ; -tabsNorth2[7].dp ] might be structurally or numerically singular for variable valNorth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1[2].m_flow ; tabsSouth1[1].m_flow ] = [ tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 3 : tabsNorth2[5].dp = valNorth2[5].port_b.p - tabsSouth1[1].port_b.p 4 : valNorth2[5].dp = valNorth2[2].port_a.p - valNorth2[5].port_b.p [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ valNorth2[2].port_a.p ; valNorth2[5].port_b.p ; tabsSouth1[1].port_b.p ; valNorth2[7].port_b.p ] = [ -valNorth2[7].dp ; -tabsNorth2[7].dp ; -tabsNorth2[5].dp ; -valNorth2[5].dp ] might be structurally or numerically singular for variable valNorth2[7].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 2 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 3 : tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsNorth2[8].m_flow.SeedStateSetJac0) - tabsNorth2[7].m_flow.SeedStateSetJac0 - tabsNorth2[6].m_flow.SeedStateSetJac0 - tabsNorth2[5].m_flow.SeedStateSetJac0 - tabsNorth2[4].m_flow.SeedStateSetJac0 - tabsNorth2[3].m_flow.SeedStateSetJac0 - tabsNorth2[2].m_flow.SeedStateSetJac0 - tabsNorth2[1].m_flow.SeedStateSetJac0 - tabsNorth1[4].m_flow.SeedStateSetJac0 - tabsNorth1[3].m_flow.SeedStateSetJac0 - tabsNorth1[2].m_flow.SeedStateSetJac0 - tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth2[8].m_flow.SeedStateSetJac0 - tabsSouth2[7].m_flow.SeedStateSetJac0 - tabsSouth2[6].m_flow.SeedStateSetJac0 - tabsSouth2[5].m_flow.SeedStateSetJac0 - tabsSouth2[4].m_flow.SeedStateSetJac0 - tabsSouth2[3].m_flow.SeedStateSetJac0 - tabsSouth2[2].m_flow.SeedStateSetJac0 - tabsSouth2[1].m_flow.SeedStateSetJac0 - tabsSouth1[4].m_flow.SeedStateSetJac0 - tabsSouth1[3].m_flow.SeedStateSetJac0 - tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 2 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsNorth1[2].m_flow.SeedStateSetJac0 + tabsNorth1[3].m_flow.SeedStateSetJac0 + tabsNorth1[4].m_flow.SeedStateSetJac0 + tabsNorth2[1].m_flow.SeedStateSetJac0 + tabsNorth2[2].m_flow.SeedStateSetJac0 + tabsNorth2[3].m_flow.SeedStateSetJac0 + tabsNorth2[4].m_flow.SeedStateSetJac0 + tabsNorth2[5].m_flow.SeedStateSetJac0 + tabsNorth2[6].m_flow.SeedStateSetJac0 + tabsNorth2[7].m_flow.SeedStateSetJac0 + (-spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0) - valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ] might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 2 : valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 3 : tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsNorth2[8].m_flow.SeedStateSetJac0) - tabsNorth2[7].m_flow.SeedStateSetJac0 - tabsNorth2[6].m_flow.SeedStateSetJac0 - tabsNorth2[5].m_flow.SeedStateSetJac0 - tabsNorth2[4].m_flow.SeedStateSetJac0 - tabsNorth2[3].m_flow.SeedStateSetJac0 - tabsNorth2[2].m_flow.SeedStateSetJac0 - tabsNorth2[1].m_flow.SeedStateSetJac0 - tabsNorth1[4].m_flow.SeedStateSetJac0 - tabsNorth1[3].m_flow.SeedStateSetJac0 - tabsNorth1[2].m_flow.SeedStateSetJac0 - tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth2[8].m_flow.SeedStateSetJac0 - tabsSouth2[7].m_flow.SeedStateSetJac0 - tabsSouth2[6].m_flow.SeedStateSetJac0 - tabsSouth2[5].m_flow.SeedStateSetJac0 - tabsSouth2[4].m_flow.SeedStateSetJac0 - tabsSouth2[3].m_flow.SeedStateSetJac0 - tabsSouth2[2].m_flow.SeedStateSetJac0 - tabsSouth2[1].m_flow.SeedStateSetJac0 - tabsSouth1[4].m_flow.SeedStateSetJac0 - tabsSouth1[3].m_flow.SeedStateSetJac0 - tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 2 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsNorth1[2].m_flow.SeedStateSetJac0 + tabsNorth1[3].m_flow.SeedStateSetJac0 + tabsNorth1[4].m_flow.SeedStateSetJac0 + tabsNorth2[1].m_flow.SeedStateSetJac0 + tabsNorth2[2].m_flow.SeedStateSetJac0 + tabsNorth2[3].m_flow.SeedStateSetJac0 + tabsNorth2[4].m_flow.SeedStateSetJac0 + tabsNorth2[5].m_flow.SeedStateSetJac0 + tabsNorth2[6].m_flow.SeedStateSetJac0 + tabsNorth2[7].m_flow.SeedStateSetJac0 + (-spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0) - valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ] might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of inlineWhenForInitialization (initialization): time 0.7001/5.522, allocations: 59.29 MB / 2.211 GB, free: 0.7045 GB / 1.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04254/5.564, allocations: 17.58 MB / 2.228 GB, free: 0.6989 GB / 1.67 GB Notification: Performance of collectPreVariables (initialization): time 0.005103/5.57, allocations: 237 kB / 2.228 GB, free: 0.6987 GB / 1.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.01038/5.58, allocations: 7.198 MB / 2.235 GB, free: 0.6946 GB / 1.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.01291/5.593, allocations: 3.432 MB / 2.238 GB, free: 0.6938 GB / 1.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01905/5.612, allocations: 4.144 MB / 2.242 GB, free: 0.6929 GB / 1.67 GB Notification: Performance of setup shared object (initialization): time 4.606e-05/5.612, allocations: 307.2 kB / 2.243 GB, free: 0.6926 GB / 1.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04227/5.654, allocations: 24.58 MB / 2.267 GB, free: 0.686 GB / 1.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03884/5.693, allocations: 27.23 MB / 2.293 GB, free: 0.6766 GB / 1.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06822/5.761, allocations: 44.85 MB / 2.337 GB, free: 0.654 GB / 1.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.514e-05/5.762, allocations: 12 kB / 2.337 GB, free: 0.654 GB / 1.67 GB Notification: Performance of matching and sorting (n=1404) (initialization): time 0.6823/6.444, allocations: 145.1 MB / 2.479 GB, free: 0.5129 GB / 1.67 GB Notification: Performance of prepare postOptimizeDAE: time 7.732e-05/6.444, allocations: 50.7 kB / 2.479 GB, free: 0.5128 GB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.653e-05/6.444, allocations: 44 kB / 2.479 GB, free: 0.5128 GB / 1.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6338/7.078, allocations: 124.6 MB / 2.601 GB, free: 400.5 MB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01854/7.096, allocations: 3.356 MB / 2.604 GB, free: 397.2 MB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1498/7.246, allocations: 86.55 MB / 2.688 GB, free: 310.2 MB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2239/7.47, allocations: 10.49 MB / 2.699 GB, free: 299.7 MB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007026/7.477, allocations: 1.639 MB / 2.7 GB, free: 298.1 MB / 1.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0457/7.523, allocations: 27.55 MB / 2.727 GB, free: 270.5 MB / 1.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.035/7.558, allocations: 26.68 MB / 2.753 GB, free: 242.8 MB / 1.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06155/7.62, allocations: 43.73 MB / 2.796 GB, free: 198.3 MB / 1.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.708e-05/7.62, allocations: 12 kB / 2.796 GB, free: 198.3 MB / 1.67 GB Notification: Performance of matching and sorting (n=1404) (initialization_lambda0): time 0.6508/8.271, allocations: 143.1 MB / 2.936 GB, free: 55.11 MB / 1.67 GB Notification: Performance of prepare postOptimizeDAE: time 7.845e-05/8.271, allocations: 53.69 kB / 2.936 GB, free: 55.05 MB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.719e-05/8.271, allocations: 48 kB / 2.936 GB, free: 55.01 MB / 1.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.175/9.445, allocations: 124.3 MB / 3.057 GB, free: 0.6839 GB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01707/9.462, allocations: 3.323 MB / 3.06 GB, free: 0.6839 GB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1596/9.622, allocations: 93.91 MB / 3.152 GB, free: 0.6283 GB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.226/9.848, allocations: 10.53 MB / 3.162 GB, free: 0.618 GB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007074/9.855, allocations: 1.599 MB / 3.164 GB, free: 0.6164 GB / 1.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 207 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (948): * Single equations (assignments): 930 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 8 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 8 systems {1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(33,119), (33,119)} Notification: Performance of prepare postOptimizeDAE: time 0.008045/9.863, allocations: 0.7403 MB / 3.165 GB, free: 0.6157 GB / 1.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007292/9.871, allocations: 1.568 MB / 3.166 GB, free: 0.615 GB / 1.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2383/10.11, allocations: 70.06 MB / 3.235 GB, free: 0.5469 GB / 1.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2571/10.37, allocations: 84.54 MB / 3.317 GB, free: 475.6 MB / 1.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002158/10.37, allocations: 32 kB / 3.317 GB, free: 475.6 MB / 1.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2437/10.61, allocations: 83.42 MB / 3.399 GB, free: 392.2 MB / 1.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4745/11.08, allocations: 230.1 MB / 3.623 GB, free: 162.1 MB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001098/11.08, allocations: 0 / 3.623 GB, free: 162.1 MB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01247/11.1, allocations: 2.09 MB / 3.625 GB, free: 160 MB / 1.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.186/12.28, allocations: 147.6 MB / 3.769 GB, free: 0.6751 GB / 1.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005563/12.29, allocations: 0.8182 MB / 3.77 GB, free: 0.6751 GB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1584/12.45, allocations: 74.21 MB / 3.843 GB, free: 0.6585 GB / 1.67 GB Warning: The linear system: 1 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 2 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 3 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[1].port_b.p 4 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ tabsSouth1[1].port_b.p ; valNorth2[1].port_b.p ; valNorth2[2].port_a.p ; valNorth2[7].port_b.p ] = [ -tabsNorth2[7].dp ; -valNorth2[7].dp ; -valNorth2[1].dp ; -tabsNorth2[1].dp ] might be structurally or numerically singular for variable valNorth2[7].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[2].m_flow ; tabsSouth1[1].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 2 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p 3 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[1].port_b.p 4 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ valNorth2[7].port_b.p ; valNorth2[2].port_a.p ; valNorth2[1].port_b.p ; tabsSouth1[1].port_b.p ] = [ -tabsNorth2[7].dp ; -tabsNorth2[1].dp ; -valNorth2[1].dp ; -valNorth2[7].dp ] might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0 2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ; tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ; tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0 2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ; tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ; tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1137/12.56, allocations: 55.03 MB / 3.896 GB, free: 0.6334 GB / 1.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.5618/13.12, allocations: 179 MB / 4.071 GB, free: 498.9 MB / 1.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.02851/13.15, allocations: 7.558 MB / 4.079 GB, free: 491.8 MB / 1.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01161/13.16, allocations: 228 kB / 4.079 GB, free: 491.6 MB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1207/13.28, allocations: 5.115 MB / 4.084 GB, free: 486.5 MB / 1.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.008029/13.29, allocations: 1.147 MB / 4.085 GB, free: 485.3 MB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.005141/13.3, allocations: 0.8806 MB / 4.086 GB, free: 484.4 MB / 1.67 GB Notification: Performance of sorting global known variables: time 0.02543/13.32, allocations: 12.33 MB / 4.098 GB, free: 472.2 MB / 1.67 GB Notification: Performance of sort global known variables: time 7.62e-07/13.32, allocations: 0 / 4.098 GB, free: 472.2 MB / 1.67 GB Notification: Performance of remove unused functions: time 0.1851/13.51, allocations: 86.21 MB / 4.182 GB, free: 386.1 MB / 1.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (591): * Single equations (assignments): 568 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(33,156), (1,1), (62,216)} Notification: Performance of Backend phase and start with SimCode phase: time 0.5466/14.05, allocations: 179.8 MB / 4.358 GB, free: 206.4 MB / 1.67 GB Notification: Performance of simCode: created initialization part: time 0.1665/14.22, allocations: 98.75 MB / 4.454 GB, free: 107.5 MB / 1.67 GB Notification: Performance of simCode: created event and clocks part: time 1.163e-05/14.22, allocations: 4 kB / 4.454 GB, free: 107.5 MB / 1.67 GB Notification: Performance of simCode: created simulation system equations: time 0.07906/14.3, allocations: 35.82 MB / 4.489 GB, free: 71.68 MB / 1.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.08586/14.39, allocations: 7.323 MB / 4.496 GB, free: 64.53 MB / 1.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.332/16.72, allocations: 485.8 MB / 4.971 GB, free: 394.4 MB / 1.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01266/16.73, allocations: 10.65 MB / 4.981 GB, free: 383.7 MB / 1.67 GB Notification: Performance of simCode: alias equations: time 0.02908/16.76, allocations: 8.424 MB / 4.989 GB, free: 375.4 MB / 1.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02365/16.78, allocations: 11.12 MB / 5 GB, free: 364.3 MB / 1.67 GB Notification: Performance of SimCode: time 1.202e-06/16.78, allocations: 0 / 5 GB, free: 364.3 MB / 1.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.915/18.7, allocations: 0.9065 GB / 5.907 GB, free: 224.6 MB / 1.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 112.6/131.3, allocations: 15.02 kB / 5.907 GB, free: 224.6 MB / 1.67 GB (rm -f Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_9_Buildings_Fluid_Examples_FlowSystem_Basic.fmu > Buildings_9_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)