Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified1.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: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified1") translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001391/0.001391, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001635/0.001635, allocations: 192.9 kB / 16.14 MB, free: 6.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.537/1.537, allocations: 222.9 MB / 239.8 MB, free: 4.598 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.508/2.508, allocations: 390.2 MB / 0.6642 GB, free: 0.6016 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.00121/0.001211, allocations: 64.14 kB / 0.8118 GB, free: 14.89 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6823/0.6836, allocations: 140.3 MB / 0.9489 GB, free: 9.266 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.8943/1.578, allocations: 353.1 MB / 1.294 GB, free: 59.75 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.09462/1.673, allocations: 73.09 MB / 1.365 GB, free: 56.38 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01997/1.693, allocations: 394 kB / 1.365 GB, free: 56.38 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01728/1.71, allocations: 4.427 MB / 1.37 GB, free: 55.39 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.04154/1.751, allocations: 12.55 MB / 1.382 GB, free: 49.04 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.02387/1.775, allocations: 8.909 MB / 1.391 GB, free: 43.53 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.04179/1.817, allocations: 48.39 MB / 1.438 GB, free: 2.445 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02789/1.845, allocations: 17.54 MB / 1.455 GB, free: 1.496 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03256/1.878, allocations: 14.54 MB / 1.469 GB, free: 3.617 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02808/1.906, allocations: 15.76 MB / 1.485 GB, free: 5.031 MB / 1.045 GB Notification: Performance of NFPackage.collectConstants: time 0.007177/1.913, allocations: 1.211 MB / 1.486 GB, free: 3.82 MB / 1.045 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01945/1.932, allocations: 4.881 MB / 1.491 GB, free: 15.2 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.009318/1.942, allocations: 5.111 MB / 1.496 GB, free: 10.3 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.02/1.962, allocations: 9.53 MB / 1.505 GB, free: 0.957 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.04224/2.004, allocations: 27.98 MB / 1.532 GB, free: 6.043 MB / 1.092 GB Notification: Performance of FrontEnd - DAE generated: time 4.809e-06/2.004, allocations: 4 kB / 1.532 GB, free: 6.039 MB / 1.092 GB Notification: Performance of FrontEnd: time 1.342e-06/2.004, allocations: 0 / 1.532 GB, free: 6.039 MB / 1.092 GB Notification: Performance of Transformations before backend: time 0.0008035/2.005, allocations: 0 / 1.532 GB, free: 6.039 MB / 1.092 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 0.06183/2.067, allocations: 22.15 MB / 1.554 GB, free: 15.95 MB / 1.123 GB Notification: Performance of prepare preOptimizeDAE: time 3.824e-05/2.067, allocations: 8.031 kB / 1.554 GB, free: 15.95 MB / 1.123 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01431/2.081, allocations: 2.578 MB / 1.556 GB, free: 13.35 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04275/2.124, allocations: 15.68 MB / 1.572 GB, free: 13.94 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008757/2.125, allocations: 0.6842 MB / 1.572 GB, free: 13.26 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005664/2.131, allocations: 0.931 MB / 1.573 GB, free: 12.34 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04709/2.178, allocations: 16.56 MB / 1.59 GB, free: 11.59 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004104/2.178, allocations: 11.94 kB / 1.59 GB, free: 11.57 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004223/2.182, allocations: 327.4 kB / 1.59 GB, free: 11.26 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00045/2.183, allocations: 371.2 kB / 1.59 GB, free: 10.9 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04553/2.228, allocations: 21.11 MB / 1.611 GB, free: 5.777 MB / 1.17 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 0.1476/2.376, allocations: 80.75 MB / 1.69 GB, free: 2.059 MB / 1.248 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02266/2.399, allocations: 12.89 MB / 1.702 GB, free: 5.43 MB / 1.264 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01566/2.414, allocations: 9.591 MB / 1.712 GB, free: 11.83 MB / 1.279 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 1.282/3.697, allocations: 34.49 MB / 1.745 GB, free: 271.4 MB / 1.279 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02065/3.717, allocations: 9.816 MB / 1.755 GB, free: 271.3 MB / 1.279 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02876/3.746, allocations: 8.558 MB / 1.763 GB, free: 270.9 MB / 1.279 GB Notification: Performance of pre-optimization done (n=576): time 5.044e-05/3.746, allocations: 0.9844 kB / 1.763 GB, free: 270.9 MB / 1.279 GB Notification: Performance of matching and sorting (n=868): time 0.9499/4.696, allocations: 237.1 MB / 1.995 GB, free: 87.79 MB / 1.279 GB 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[2].m_flow ; tabsSouth1[1].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[1].m_flow since U(2,2) = 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 : 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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 2 : valCoo.m_flow.$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 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ; tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$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 ] 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 0.1359/4.832, allocations: 54.49 MB / 2.048 GB, free: 31.96 MB / 1.279 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02671/4.859, allocations: 14.82 MB / 2.062 GB, free: 17.28 MB / 1.279 GB Notification: Performance of collectPreVariables (initialization): time 0.004278/4.863, allocations: 223 kB / 2.063 GB, free: 17.06 MB / 1.279 GB Notification: Performance of collectInitialEqns (initialization): time 0.007784/4.871, allocations: 7.216 MB / 2.07 GB, free: 9.918 MB / 1.279 GB Notification: Performance of collectInitialBindings (initialization): time 0.01181/4.883, allocations: 3.124 MB / 2.073 GB, free: 6.816 MB / 1.279 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01786/4.901, allocations: 4.095 MB / 2.077 GB, free: 2.715 MB / 1.279 GB Notification: Performance of setup shared object (initialization): time 4.08e-05/4.901, allocations: 301.1 kB / 2.077 GB, free: 2.418 MB / 1.279 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04234/4.943, allocations: 24.34 MB / 2.101 GB, free: 10.05 MB / 1.311 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04582/4.989, allocations: 26.94 MB / 2.127 GB, free: 14.12 MB / 1.342 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.08451/5.074, allocations: 44.44 MB / 2.17 GB, free: 1.082 MB / 1.373 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.294e-05/5.074, allocations: 16 kB / 2.17 GB, free: 1.066 MB / 1.373 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 1.919/6.992, allocations: 143 MB / 2.31 GB, free: 381.6 MB / 1.436 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001368/6.993, allocations: 56.11 kB / 2.31 GB, free: 381.5 MB / 1.436 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001207/6.993, allocations: 48.47 kB / 2.31 GB, free: 381.5 MB / 1.436 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.561/7.554, allocations: 119.8 MB / 2.427 GB, free: 292 MB / 1.436 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01968/7.573, allocations: 3.557 MB / 2.431 GB, free: 288.6 MB / 1.436 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1643/7.738, allocations: 79.99 MB / 2.509 GB, free: 226.2 MB / 1.436 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1777/7.915, allocations: 10.91 MB / 2.519 GB, free: 215.3 MB / 1.436 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008296/7.924, allocations: 1.641 MB / 2.521 GB, free: 213.7 MB / 1.436 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04311/7.967, allocations: 27.36 MB / 2.548 GB, free: 186.3 MB / 1.436 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03754/8.005, allocations: 26.48 MB / 2.574 GB, free: 158.8 MB / 1.436 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06488/8.069, allocations: 43.52 MB / 2.616 GB, free: 114.7 MB / 1.436 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.047e-05/8.07, allocations: 16 kB / 2.616 GB, free: 114.7 MB / 1.436 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 1.143/9.213, allocations: 141.4 MB / 2.754 GB, free: 0.6183 GB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.823e-05/9.213, allocations: 53.3 kB / 2.754 GB, free: 0.6183 GB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001099/9.213, allocations: 51.66 kB / 2.754 GB, free: 0.6183 GB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5686/9.781, allocations: 118.8 MB / 2.87 GB, free: 0.5934 GB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01912/9.801, allocations: 3.507 MB / 2.874 GB, free: 0.5913 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1845/9.985, allocations: 83.51 MB / 2.955 GB, free: 0.5099 GB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1782/10.16, allocations: 10.94 MB / 2.966 GB, free: 0.4993 GB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008651/10.17, allocations: 1.601 MB / 2.968 GB, free: 0.4977 GB / 1.467 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 231 * 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 (1024): * Single equations (assignments): 1006 * 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 {(39,65), (39,65)} Notification: Performance of prepare postOptimizeDAE: time 0.01209/10.18, allocations: 0.7309 MB / 2.968 GB, free: 0.4971 GB / 1.467 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009461/10.19, allocations: 1.473 MB / 2.97 GB, free: 0.4965 GB / 1.467 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.221/10.41, allocations: 68.14 MB / 3.036 GB, free: 440.4 MB / 1.467 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2321/10.65, allocations: 82.79 MB / 3.117 GB, free: 357.6 MB / 1.467 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002029/10.65, allocations: 31.94 kB / 3.117 GB, free: 357.6 MB / 1.467 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2214/10.87, allocations: 81.66 MB / 3.197 GB, free: 275.8 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 postOpt removeSimpleEquations (simulation): time 0.3375/11.21, allocations: 206.5 MB / 3.399 GB, free: 69.19 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001077/11.21, allocations: 0 / 3.399 GB, free: 69.19 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01302/11.22, allocations: 2.175 MB / 3.401 GB, free: 67.01 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.158/12.38, allocations: 144.7 MB / 3.542 GB, free: 0.595 GB / 1.467 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005082/12.38, allocations: 0.8024 MB / 3.543 GB, free: 0.5944 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1258/12.51, allocations: 69.46 MB / 3.611 GB, free: 0.552 GB / 1.467 GB Warning: The linear system: 1 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[1].dp ; -valSouth2[4].dp ] might be structurally or numerically singular for variable valSouth1[1].port_b.p since U(2,2) = 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) - $cse374 - 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[1].m_flow ; tabsSouth1[2].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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.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 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[4].dp ; -valSouth2[1].dp ] might be structurally or numerically singular for variable valSouth1[1].port_b.p since U(2,2) = 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) - $cse374 - 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (619): * Single equations (assignments): 596 * 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 {(36,81), (1,1), (61,193)} [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4614:9-4614:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:774:5-774:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]