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 0.001527/0.001527, allocations: 103.4 kB / 16.27 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001435/0.001435, allocations: 190 kB / 17.2 MB, free: 5.59 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.357/1.357, allocations: 222.9 MB / 240.9 MB, free: 15.19 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 2.269/2.269, allocations: 390.2 MB / 0.6653 GB, free: 0.6953 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001306/0.001306, allocations: 65.19 kB / 0.8132 GB, free: 33.05 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2658/0.2671, allocations: 140.4 MB / 0.9503 GB, free: 8.879 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.8952/1.162, allocations: 355.6 MB / 1.298 GB, free: 4.348 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.1119/1.274, allocations: 72.91 MB / 1.369 GB, free: 11.25 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01977/1.294, allocations: 425.5 kB / 1.369 GB, free: 10.84 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.01773/1.312, allocations: 5.325 MB / 1.374 GB, free: 5.48 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.04555/1.358, allocations: 13.52 MB / 1.388 GB, free: 7.914 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.02599/1.384, allocations: 9.656 MB / 1.397 GB, free: 14.33 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.06096/1.445, allocations: 37.54 MB / 1.434 GB, free: 8.684 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03785/1.483, allocations: 19.82 MB / 1.453 GB, free: 4.707 MB / 1.107 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04139/1.524, allocations: 16.66 MB / 1.469 GB, free: 4.027 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03136/1.555, allocations: 15.89 MB / 1.485 GB, free: 4.078 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.009811/1.565, allocations: 1.871 MB / 1.487 GB, free: 2.207 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02448/1.59, allocations: 5.712 MB / 1.492 GB, free: 12.49 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.01268/1.602, allocations: 5.806 MB / 1.498 GB, free: 6.664 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.02745/1.63, allocations: 10.34 MB / 1.508 GB, free: 12.28 MB / 1.17 GB Notification: Performance of NFConvertDAE.convert: time 1.469/3.099, allocations: 28.55 MB / 1.536 GB, free: 109.1 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 1.478e-05/3.099, allocations: 0.5156 kB / 1.536 GB, free: 109.1 MB / 1.186 GB Notification: Performance of FrontEnd: time 2.765e-06/3.099, allocations: 0.8438 kB / 1.536 GB, free: 109.1 MB / 1.186 GB Notification: Performance of Transformations before backend: time 0.001153/3.1, allocations: 0 / 1.536 GB, free: 109.1 MB / 1.186 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 0.08481/3.185, allocations: 22.12 MB / 1.557 GB, free: 102.3 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 5.569e-05/3.185, allocations: 8.625 kB / 1.557 GB, free: 102.3 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01795/3.203, allocations: 2.578 MB / 1.56 GB, free: 101.3 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04555/3.249, allocations: 15.42 MB / 1.575 GB, free: 98.57 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001109/3.25, allocations: 0.6848 MB / 1.576 GB, free: 98.55 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006247/3.256, allocations: 0.9329 MB / 1.577 GB, free: 98.54 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04434/3.3, allocations: 16.56 MB / 1.593 GB, free: 97.72 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005288/3.301, allocations: 15.09 kB / 1.593 GB, free: 97.72 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004684/3.306, allocations: 326.6 kB / 1.593 GB, free: 97.72 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004909/3.306, allocations: 363.1 kB / 1.593 GB, free: 97.7 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04252/3.349, allocations: 21.07 MB / 1.614 GB, free: 97.62 MB / 1.186 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 0.1407/3.489, allocations: 81.41 MB / 1.694 GB, free: 62.59 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02054/3.51, allocations: 12.82 MB / 1.706 GB, free: 58.95 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01401/3.524, allocations: 9.588 MB / 1.715 GB, free: 53.42 MB / 1.186 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 0.07266/3.597, allocations: 34.49 MB / 1.749 GB, free: 18.64 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01678/3.614, allocations: 9.797 MB / 1.759 GB, free: 8.773 MB / 1.186 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02264/3.636, allocations: 5.77 MB / 1.764 GB, free: 3.164 MB / 1.186 GB Notification: Performance of pre-optimization done (n=572): time 4.329e-05/3.636, allocations: 0 / 1.764 GB, free: 3.164 MB / 1.186 GB Notification: Performance of matching and sorting (n=864): time 1.027/4.663, allocations: 239.2 MB / 1.998 GB, free: 3.527 MB / 1.42 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 0.7493/5.413, allocations: 55.32 MB / 2.052 GB, free: 0.6569 GB / 1.467 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03792/5.451, allocations: 14.92 MB / 2.066 GB, free: 0.6553 GB / 1.467 GB Notification: Performance of collectPreVariables (initialization): time 0.004581/5.455, allocations: 224.7 kB / 2.067 GB, free: 0.6551 GB / 1.467 GB Notification: Performance of collectInitialEqns (initialization): time 0.009583/5.465, allocations: 7.155 MB / 2.074 GB, free: 0.651 GB / 1.467 GB Notification: Performance of collectInitialBindings (initialization): time 0.01304/5.478, allocations: 3.114 MB / 2.077 GB, free: 0.6506 GB / 1.467 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02158/5.499, allocations: 4.095 MB / 2.081 GB, free: 0.6497 GB / 1.467 GB Notification: Performance of setup shared object (initialization): time 5.912e-05/5.5, allocations: 305.1 kB / 2.081 GB, free: 0.6495 GB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03802/5.538, allocations: 24.32 MB / 2.105 GB, free: 0.6429 GB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0376/5.575, allocations: 26.94 MB / 2.131 GB, free: 0.6336 GB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06612/5.641, allocations: 44.43 MB / 2.174 GB, free: 0.6058 GB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.516e-05/5.642, allocations: 16 kB / 2.174 GB, free: 0.6058 GB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 0.6161/6.258, allocations: 143 MB / 2.314 GB, free: 478.6 MB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.444e-05/6.258, allocations: 57.69 kB / 2.314 GB, free: 478.5 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.775e-05/6.258, allocations: 51.19 kB / 2.314 GB, free: 478.4 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5865/6.844, allocations: 119.9 MB / 2.431 GB, free: 358.6 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01925/6.864, allocations: 3.544 MB / 2.435 GB, free: 355.1 MB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1488/7.012, allocations: 84.05 MB / 2.517 GB, free: 270.6 MB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2229/7.235, allocations: 10.52 MB / 2.527 GB, free: 260.1 MB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007099/7.242, allocations: 1.64 MB / 2.529 GB, free: 258.4 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0417/7.284, allocations: 27.35 MB / 2.555 GB, free: 231 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03471/7.319, allocations: 26.46 MB / 2.581 GB, free: 203.6 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0639/7.383, allocations: 43.51 MB / 2.624 GB, free: 159.2 MB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.981e-05/7.383, allocations: 12 kB / 2.624 GB, free: 159.2 MB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 1.24/8.623, allocations: 141.4 MB / 2.762 GB, free: 0.6278 GB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.481e-05/8.623, allocations: 54.27 kB / 2.762 GB, free: 0.6278 GB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001028/8.623, allocations: 51.12 kB / 2.762 GB, free: 0.6278 GB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6019/9.225, allocations: 118.9 MB / 2.878 GB, free: 0.5963 GB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01842/9.243, allocations: 3.501 MB / 2.881 GB, free: 0.593 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1564/9.4, allocations: 88.27 MB / 2.968 GB, free: 0.5068 GB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.223/9.623, allocations: 10.55 MB / 2.978 GB, free: 0.4965 GB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007265/9.63, allocations: 1.598 MB / 2.979 GB, free: 0.4949 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 (1020): * Single equations (assignments): 1002 * 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 0.009878/9.64, allocations: 0.7447 MB / 2.98 GB, free: 0.4943 GB / 1.467 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009232/9.649, allocations: 1.468 MB / 2.982 GB, free: 0.4936 GB / 1.467 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2276/9.877, allocations: 68.15 MB / 3.048 GB, free: 437.5 MB / 1.467 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2553/10.13, allocations: 82.81 MB / 3.129 GB, free: 354.8 MB / 1.467 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002142/10.13, allocations: 28 kB / 3.129 GB, free: 354.8 MB / 1.467 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.228/10.36, allocations: 81.68 MB / 3.209 GB, free: 273.1 MB / 1.467 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3637/10.72, allocations: 206.4 MB / 3.41 GB, free: 66.74 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001127/10.72, allocations: 7.938 kB / 3.41 GB, free: 66.73 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01304/10.74, allocations: 2.171 MB / 3.412 GB, free: 64.56 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.224/11.96, allocations: 144.9 MB / 3.554 GB, free: 0.5908 GB / 1.467 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004866/11.97, allocations: 0.8072 MB / 3.555 GB, free: 0.5902 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1357/12.1, allocations: 71.83 MB / 3.625 GB, free: 0.5397 GB / 1.467 GB Warning: The linear system: 1 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth2[3].dp ; -valNorth2[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 : 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 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[1].dp ; -valNorth2[3].dp ] might be structurally or numerically singular for variable valNorth2[2].port_a.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[2].m_flow ; tabsSouth1[1].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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (615): * Single equations (assignments): 592 * 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), (62,192)} [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:803:5-803:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]