Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001395/0.001395, allocations: 108 kB / 16.41 MB, free: 6.496 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001336/0.001336, allocations: 194.8 kB / 19.36 MB, free: 3.75 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.432/1.432, allocations: 222.9 MB / 245.1 MB, free: 15.02 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.816/2.816, allocations: 469.8 MB / 0.7491 GB, free: 3.148 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.Simplified3,fileNamePrefix="Buildings_11_Buildings_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="Buildings_11_Buildings_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002106/0.002106, allocations: 67.89 kB / 1.073 GB, free: 72 kB / 0.8731 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8242/0.8263, allocations: 159.1 MB / 1.229 GB, free: 4.805 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.4278/1.254, allocations: 357.8 MB / 1.578 GB, free: 13.85 MB / 1.295 GB Notification: Performance of NFInst.instExpressions: time 0.8962/2.15, allocations: 75.86 MB / 1.652 GB, free: 61.12 MB / 1.295 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01419/2.165, allocations: 431.3 kB / 1.653 GB, free: 61.12 MB / 1.295 GB Notification: Performance of NFTyping.typeComponents: time 0.01642/2.181, allocations: 6.432 MB / 1.659 GB, free: 60.99 MB / 1.295 GB Notification: Performance of NFTyping.typeBindings: time 0.03805/2.219, allocations: 14.09 MB / 1.673 GB, free: 60.41 MB / 1.295 GB Notification: Performance of NFTyping.typeClassSections: time 0.02295/2.242, allocations: 10.19 MB / 1.683 GB, free: 60.12 MB / 1.295 GB Notification: Performance of NFFlatten.flatten: time 0.08514/2.327, allocations: 74.19 MB / 1.755 GB, free: 29.38 MB / 1.295 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0261/2.353, allocations: 20.02 MB / 1.775 GB, free: 9.953 MB / 1.295 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03556/2.389, allocations: 17.03 MB / 1.791 GB, free: 9.867 MB / 1.311 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03113/2.42, allocations: 16.38 MB / 1.807 GB, free: 10.65 MB / 1.326 GB Notification: Performance of NFPackage.collectConstants: time 0.007744/2.428, allocations: 1.957 MB / 1.809 GB, free: 8.691 MB / 1.326 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02145/2.449, allocations: 6.047 MB / 1.815 GB, free: 2.914 MB / 1.326 GB Notification: Performance of NFScalarize.scalarize: time 0.01126/2.461, allocations: 6.489 MB / 1.821 GB, free: 12.66 MB / 1.342 GB Notification: Performance of NFVerifyModel.verify: time 0.02395/2.485, allocations: 11.26 MB / 1.832 GB, free: 1.59 MB / 1.342 GB Notification: Performance of NFConvertDAE.convert: time 0.05534/2.54, allocations: 31.42 MB / 1.863 GB, free: 3.258 MB / 1.373 GB Notification: Performance of FrontEnd - DAE generated: time 5.922e-06/2.54, allocations: 8 kB / 1.863 GB, free: 3.25 MB / 1.373 GB Notification: Performance of FrontEnd: time 1.754e-06/2.54, allocations: 0 / 1.863 GB, free: 3.25 MB / 1.373 GB Notification: Performance of Transformations before backend: time 0.0008886/2.541, allocations: 0 / 1.863 GB, free: 3.25 MB / 1.373 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.06671/2.608, allocations: 24.7 MB / 1.887 GB, free: 10.7 MB / 1.404 GB Notification: Performance of prepare preOptimizeDAE: time 4.187e-05/2.608, allocations: 8.031 kB / 1.887 GB, free: 10.69 MB / 1.404 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003913/2.612, allocations: 1.054 MB / 1.888 GB, free: 9.633 MB / 1.404 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01785/2.63, allocations: 3.298 MB / 1.891 GB, free: 6.32 MB / 1.404 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04836/2.678, allocations: 23.16 MB / 1.914 GB, free: 15.47 MB / 1.436 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007408/2.679, allocations: 0.6692 MB / 1.915 GB, free: 14.81 MB / 1.436 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004173/2.683, allocations: 0.9424 MB / 1.916 GB, free: 13.88 MB / 1.436 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04053/2.723, allocations: 17.06 MB / 1.932 GB, free: 12.62 MB / 1.451 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002609/2.724, allocations: 11.88 kB / 1.932 GB, free: 12.61 MB / 1.451 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003163/2.727, allocations: 329.4 kB / 1.933 GB, free: 12.29 MB / 1.451 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004144/2.727, allocations: 363.4 kB / 1.933 GB, free: 11.94 MB / 1.451 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04638/2.774, allocations: 21.5 MB / 1.954 GB, free: 6.422 MB / 1.467 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 0.1638/2.938, allocations: 84.09 MB / 2.036 GB, free: 15.75 MB / 1.561 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02612/2.964, allocations: 13.02 MB / 2.049 GB, free: 2.961 MB / 1.561 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0192/2.983, allocations: 10.07 MB / 2.059 GB, free: 8.883 MB / 1.576 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 0.08113/3.064, allocations: 35.58 MB / 2.093 GB, free: 4.938 MB / 1.607 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01974/3.084, allocations: 10.15 MB / 2.103 GB, free: 10.72 MB / 1.623 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02211/3.106, allocations: 5.828 MB / 2.109 GB, free: 5.051 MB / 1.623 GB Notification: Performance of pre-optimization done (n=567): time 2.907e-05/3.106, allocations: 0 / 2.109 GB, free: 5.051 MB / 1.623 GB Notification: Performance of matching and sorting (n=838): time 2.285/5.391, allocations: 218.1 MB / 2.322 GB, free: 0.6637 GB / 1.733 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.1271/5.518, allocations: 55.97 MB / 2.377 GB, free: 0.6087 GB / 1.733 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03231/5.55, allocations: 20.51 MB / 2.397 GB, free: 0.589 GB / 1.733 GB Notification: Performance of collectPreVariables (initialization): time 0.004062/5.554, allocations: 225.7 kB / 2.397 GB, free: 0.5888 GB / 1.733 GB Notification: Performance of collectInitialEqns (initialization): time 0.009032/5.563, allocations: 7.873 MB / 2.405 GB, free: 0.5825 GB / 1.733 GB Notification: Performance of collectInitialBindings (initialization): time 0.008844/5.572, allocations: 3.15 MB / 2.408 GB, free: 0.5812 GB / 1.733 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01327/5.586, allocations: 4.004 MB / 2.412 GB, free: 0.5772 GB / 1.733 GB Notification: Performance of setup shared object (initialization): time 3.638e-05/5.586, allocations: 305.2 kB / 2.412 GB, free: 0.577 GB / 1.733 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02741/5.613, allocations: 20.28 MB / 2.432 GB, free: 0.5571 GB / 1.733 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03049/5.644, allocations: 23.1 MB / 2.454 GB, free: 0.5336 GB / 1.733 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.05531/5.699, allocations: 38.61 MB / 2.492 GB, free: 0.4951 GB / 1.733 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.112e-05/5.699, allocations: 16 kB / 2.492 GB, free: 0.495 GB / 1.733 GB Notification: Performance of matching and sorting (n=1619) (initialization): time 0.6013/6.3, allocations: 134.6 MB / 2.623 GB, free: 372.3 MB / 1.733 GB Notification: Performance of prepare postOptimizeDAE: time 7.86e-05/6.3, allocations: 53.7 kB / 2.623 GB, free: 372.3 MB / 1.733 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.807e-05/6.301, allocations: 52 kB / 2.623 GB, free: 372.2 MB / 1.733 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5889/6.889, allocations: 118 MB / 2.739 GB, free: 254.6 MB / 1.733 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01821/6.908, allocations: 3.549 MB / 2.742 GB, free: 251.1 MB / 1.733 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1457/7.053, allocations: 81.92 MB / 2.822 GB, free: 168.8 MB / 1.733 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09419/7.148, allocations: 6.446 MB / 2.828 GB, free: 162.4 MB / 1.733 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005662/7.153, allocations: 1.317 MB / 2.83 GB, free: 161.1 MB / 1.733 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04647/7.2, allocations: 23.67 MB / 2.853 GB, free: 137.4 MB / 1.733 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0341/7.234, allocations: 22.59 MB / 2.875 GB, free: 113.7 MB / 1.733 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05467/7.289, allocations: 37.57 MB / 2.912 GB, free: 75.35 MB / 1.733 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.977e-05/7.289, allocations: 16 kB / 2.912 GB, free: 75.33 MB / 1.733 GB Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 2.025/9.314, allocations: 133.1 MB / 3.042 GB, free: 0.6639 GB / 1.733 GB Notification: Performance of prepare postOptimizeDAE: time 8.812e-05/9.314, allocations: 68.41 kB / 3.042 GB, free: 0.6639 GB / 1.733 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.429e-05/9.314, allocations: 51.47 kB / 3.042 GB, free: 0.6639 GB / 1.733 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5956/9.909, allocations: 117.6 MB / 3.157 GB, free: 0.5638 GB / 1.733 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01722/9.927, allocations: 3.533 MB / 3.16 GB, free: 0.5604 GB / 1.733 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1728/10.1, allocations: 86.14 MB / 3.244 GB, free: 487.7 MB / 1.733 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09658/10.2, allocations: 6.5 MB / 3.25 GB, free: 481.2 MB / 1.733 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00676/10.2, allocations: 1.282 MB / 3.252 GB, free: 479.9 MB / 1.733 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 237 * 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 (1171): * Single equations (assignments): 1151 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * 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): 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): 2 systems {(5,80), (5,80)} Notification: Performance of prepare postOptimizeDAE: time 0.009703/10.21, allocations: 0.7653 MB / 3.252 GB, free: 479.2 MB / 1.733 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01014/10.22, allocations: 1.703 MB / 3.254 GB, free: 478.4 MB / 1.733 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2186/10.44, allocations: 60.76 MB / 3.313 GB, free: 417.9 MB / 1.733 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2289/10.67, allocations: 67.03 MB / 3.379 GB, free: 351.1 MB / 1.733 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002073/10.67, allocations: 28 kB / 3.379 GB, free: 351.1 MB / 1.733 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2285/10.9, allocations: 66.37 MB / 3.444 GB, free: 284.9 MB / 1.733 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2982/11.2, allocations: 130.7 MB / 3.571 GB, free: 154.5 MB / 1.733 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001006/11.2, allocations: 9.531 kB / 3.571 GB, free: 154.5 MB / 1.733 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01172/11.21, allocations: 1.973 MB / 3.573 GB, free: 152.5 MB / 1.733 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.3386/11.55, allocations: 81.4 MB / 3.653 GB, free: 71.55 MB / 1.733 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004459/11.55, allocations: 0.5651 MB / 3.653 GB, free: 70.98 MB / 1.733 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.052/12.6, allocations: 58.63 MB / 3.711 GB, free: 0.6724 GB / 1.733 GB Warning: The linear system: 1 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0 2 : 0.0 = spl1.res1.m_flow + (-bou.ports[1].m_flow) - valHea.m_flow 3 : 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 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; 1.0 , 1.0 , 0.0 ] * [ valCoo.m_flow ; spl1.res1.m_flow ; valHea.m_flow ] = [ (-valNorth.res1.m_flow) - valSouth.res1.m_flow ; -bou.ports[1].m_flow ; tabsSouth1[2].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 + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ] might be structurally or numerically singular for variable valHea.m_flow since U(3,3) = 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 : 0.0 = spl1.res1.m_flow + (-bou.ports[1].m_flow) - valHea.m_flow 3 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0 [ 1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; -1.0 , -1.0 , 0.0 ] * [ valCoo.m_flow ; valHea.m_flow ; spl1.res1.m_flow ] = [ tabsSouth1[2].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 + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ; -bou.ports[1].m_flow ; (-valNorth.res1.m_flow) - valSouth.res1.m_flow ] might be structurally or numerically singular for variable spl1.res1.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0 2 : valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0 3 : 0.0 = spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 [ 1.0 , 0.0 , 1.0 ; 0.0 , -1.0 , -1.0 ; -1.0 , 1.0 , 0.0 ] * [ spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ] = [ tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; (-valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; -bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ] might be structurally or numerically singular for variable valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1341/12.74, allocations: 54.12 MB / 3.763 GB, free: 0.6529 GB / 1.733 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2649/13, allocations: 96.28 MB / 3.857 GB, free: 0.5944 GB / 1.733 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0169/13.02, allocations: 6.11 MB / 3.863 GB, free: 0.5893 GB / 1.733 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008869/13.03, allocations: 211.9 kB / 3.864 GB, free: 0.5891 GB / 1.733 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05381/13.08, allocations: 3.319 MB / 3.867 GB, free: 0.5863 GB / 1.733 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005638/13.09, allocations: 0.8694 MB / 3.868 GB, free: 0.5855 GB / 1.733 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004271/13.09, allocations: 0.6276 MB / 3.868 GB, free: 0.5849 GB / 1.733 GB Notification: Performance of sorting global known variables: time 0.02678/13.12, allocations: 14.31 MB / 3.882 GB, free: 0.571 GB / 1.733 GB Notification: Performance of sort global known variables: time 6.01e-07/13.12, allocations: 0 / 3.882 GB, free: 0.571 GB / 1.733 GB Notification: Performance of remove unused functions: time 0.08972/13.21, allocations: 38.73 MB / 3.92 GB, free: 0.5333 GB / 1.733 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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],vol.p) * 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 (621): * Single equations (assignments): 600 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {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 {(7,83), (1,1), (38,197)} Notification: Performance of Backend phase and start with SimCode phase: time 0.2671/13.48, allocations: 97.78 MB / 4.016 GB, free: 449.2 MB / 1.733 GB Notification: Performance of simCode: created initialization part: time 0.1376/13.61, allocations: 77.48 MB / 4.091 GB, free: 371.7 MB / 1.733 GB Notification: Performance of simCode: created event and clocks part: time 1.664e-05/13.61, allocations: 0 / 4.091 GB, free: 371.7 MB / 1.733 GB Notification: Performance of simCode: created simulation system equations: time 0.05702/13.67, allocations: 25.5 MB / 4.116 GB, free: 346.2 MB / 1.733 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0645/13.74, allocations: 7.981 MB / 4.124 GB, free: 338.5 MB / 1.733 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.211/15.95, allocations: 444.4 MB / 4.558 GB, free: 0.6256 GB / 1.733 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01509/15.96, allocations: 10.46 MB / 4.568 GB, free: 0.6154 GB / 1.733 GB Notification: Performance of simCode: alias equations: time 0.02859/15.99, allocations: 7.993 MB / 4.576 GB, free: 0.6078 GB / 1.733 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0218/16.01, allocations: 10.37 MB / 4.586 GB, free: 0.5977 GB / 1.733 GB Notification: Performance of SimCode: time 9.02e-07/16.01, allocations: 0 / 4.586 GB, free: 0.5977 GB / 1.733 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.716/17.73, allocations: 0.8086 GB / 5.395 GB, free: 0.4902 GB / 1.733 GB Notification: Performance of buildModelFMU: Generate platform static: time 107.1/124.8, allocations: 3.938 kB / 5.395 GB, free: 0.4902 GB / 1.733 GB " [Timeout remaining time 175] (rm -f Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3_res.csv --start-time 0 --stop-time 1000 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_11_Buildings_Fluid_Examples_FlowSystem_Simplified3.fmu > Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 131.4139059589943] Failed to read output from testmodel.py, exit status != 0: 125.30306158901658 125.314812138 122.77212995 Calling exit ...