Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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(IBPSA.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified1") translateModel(IBPSA.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001367/0.001368, allocations: 104.4 kB / 16.27 MB, free: 5.891 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001597/0.001598, allocations: 183.8 kB / 17.19 MB, free: 5.535 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.388/1.388, allocations: 222.9 MB / 240.9 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.757/0.757, allocations: 122.9 MB / 413.9 MB, free: 15.81 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001826/0.001827, allocations: 59.91 kB / 0.4911 GB, free: 7.422 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4105/0.4124, allocations: 77.92 MB / 0.5672 GB, free: 32.68 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified1): time 0.8533/1.266, allocations: 357.7 MB / 0.9165 GB, free: 10.13 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.1264/1.392, allocations: 75.87 MB / 0.9906 GB, free: 14.08 MB / 0.7012 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.02463/1.417, allocations: 433.5 kB / 0.991 GB, free: 13.66 MB / 0.7012 GB Notification: Performance of NFTyping.typeComponents: time 0.04642/1.463, allocations: 23.47 MB / 1.014 GB, free: 6.129 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.5458/2.009, allocations: 14.02 MB / 1.028 GB, free: 30.14 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.02702/2.036, allocations: 10.04 MB / 1.037 GB, free: 30.06 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.09563/2.132, allocations: 66.79 MB / 1.103 GB, free: 28.37 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03465/2.167, allocations: 20.03 MB / 1.122 GB, free: 15.38 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03923/2.206, allocations: 16.97 MB / 1.139 GB, free: 4.203 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03048/2.236, allocations: 16.38 MB / 1.155 GB, free: 8.555 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.00905/2.245, allocations: 1.969 MB / 1.157 GB, free: 6.586 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02586/2.271, allocations: 6.64 MB / 1.163 GB, free: 1.672 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.01439/2.286, allocations: 6.509 MB / 1.17 GB, free: 11.51 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.02965/2.315, allocations: 11.22 MB / 1.18 GB, free: 0.6133 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.05283/2.368, allocations: 31.37 MB / 1.211 GB, free: 2.449 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 1.136e-05/2.368, allocations: 3.984 kB / 1.211 GB, free: 2.445 MB / 0.7794 GB Notification: Performance of FrontEnd: time 2.134e-06/2.368, allocations: 0 / 1.211 GB, free: 2.445 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.001228/2.37, allocations: 4 kB / 1.211 GB, free: 2.441 MB / 0.7794 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 0.0775/2.447, allocations: 23.96 MB / 1.234 GB, free: 10.63 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 5.296e-05/2.447, allocations: 8.625 kB / 1.235 GB, free: 10.62 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02108/2.468, allocations: 3.196 MB / 1.238 GB, free: 7.398 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04914/2.517, allocations: 19.69 MB / 1.257 GB, free: 4.223 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009888/2.518, allocations: 0.6995 MB / 1.258 GB, free: 3.527 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005636/2.524, allocations: 0.9466 MB / 1.258 GB, free: 2.59 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04511/2.569, allocations: 17.11 MB / 1.275 GB, free: 1.301 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004178/2.57, allocations: 13.53 kB / 1.275 GB, free: 1.293 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004264/2.574, allocations: 331.2 kB / 1.276 GB, free: 0.9766 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004367/2.574, allocations: 371.2 kB / 1.276 GB, free: 0.6172 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04897/2.623, allocations: 21.56 MB / 1.297 GB, free: 11.1 MB / 0.8731 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 0.7286/3.352, allocations: 83.29 MB / 1.378 GB, free: 161 MB / 0.9044 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02363/3.376, allocations: 13.33 MB / 1.391 GB, free: 160.7 MB / 0.9044 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01628/3.392, allocations: 9.801 MB / 1.401 GB, free: 160.6 MB / 0.9044 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 0.07428/3.466, allocations: 35.61 MB / 1.436 GB, free: 152.5 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01852/3.485, allocations: 10.25 MB / 1.446 GB, free: 152.2 MB / 0.9044 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02186/3.507, allocations: 5.823 MB / 1.451 GB, free: 151 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=588): time 3.451e-05/3.507, allocations: 1.75 kB / 1.451 GB, free: 151 MB / 0.9044 GB Notification: Performance of matching and sorting (n=880): time 1.357/4.864, allocations: 240 MB / 1.686 GB, free: 476.9 MB / 0.9669 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 0.1323/4.996, allocations: 55.29 MB / 1.74 GB, free: 453 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03472/5.031, allocations: 17.41 MB / 1.757 GB, free: 445 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.005485/5.037, allocations: 230.8 kB / 1.757 GB, free: 444.8 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.01063/5.047, allocations: 7.714 MB / 1.764 GB, free: 439.4 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.01363/5.061, allocations: 3.193 MB / 1.768 GB, free: 437.7 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01921/5.08, allocations: 4.637 MB / 1.772 GB, free: 435.4 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 4.805e-05/5.08, allocations: 301.1 kB / 1.772 GB, free: 435.1 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03699/5.117, allocations: 25.97 MB / 1.798 GB, free: 418.8 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03842/5.156, allocations: 28.87 MB / 1.826 GB, free: 389 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07003/5.226, allocations: 47.51 MB / 1.872 GB, free: 340.9 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.961e-05/5.226, allocations: 16 kB / 1.872 GB, free: 340.9 MB / 0.9669 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6342/5.86, allocations: 146.8 MB / 2.016 GB, free: 194.8 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001089/5.86, allocations: 57.64 kB / 2.016 GB, free: 194.8 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000104/5.86, allocations: 52 kB / 2.016 GB, free: 194.7 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5941/6.454, allocations: 119.9 MB / 2.133 GB, free: 74.88 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02103/6.476, allocations: 3.841 MB / 2.137 GB, free: 71.04 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5124/6.988, allocations: 84.3 MB / 2.219 GB, free: 447.9 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2357/7.224, allocations: 10.63 MB / 2.229 GB, free: 447.9 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007782/7.232, allocations: 1.693 MB / 2.231 GB, free: 447.9 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0487/7.28, allocations: 29.36 MB / 2.26 GB, free: 441.2 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.04016/7.32, allocations: 28.34 MB / 2.287 GB, free: 431.1 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07037/7.391, allocations: 46.46 MB / 2.333 GB, free: 405.3 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.000107/7.391, allocations: 16 kB / 2.333 GB, free: 405.3 MB / 0.9669 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.6299/8.021, allocations: 145.1 MB / 2.474 GB, free: 261.4 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 8.357e-05/8.021, allocations: 57.69 kB / 2.474 GB, free: 261.4 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.801e-05/8.021, allocations: 51.94 kB / 2.474 GB, free: 261.3 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5967/8.618, allocations: 118.9 MB / 2.591 GB, free: 142.8 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.019/8.637, allocations: 3.794 MB / 2.594 GB, free: 138.9 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1505/8.787, allocations: 88.21 MB / 2.68 GB, free: 50.63 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2302/9.018, allocations: 10.68 MB / 2.691 GB, free: 39.94 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008844/9.027, allocations: 1.668 MB / 2.692 GB, free: 38.27 MB / 0.9669 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 (1196): * Single equations (assignments): 1166 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 12 * 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 0.01422/9.041, allocations: 0.7839 MB / 2.693 GB, free: 37.48 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01346/9.054, allocations: 1.621 MB / 2.695 GB, free: 36.73 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.5683/9.623, allocations: 68.68 MB / 2.762 GB, free: 452.7 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2433/9.866, allocations: 83.21 MB / 2.843 GB, free: 408.4 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002356/9.866, allocations: 28 kB / 2.843 GB, free: 408.4 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2227/10.09, allocations: 82.1 MB / 2.923 GB, free: 326.3 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3939/10.48, allocations: 216.1 MB / 3.134 GB, free: 110.2 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.541e-05/10.48, allocations: 4 kB / 3.134 GB, free: 110.2 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01347/10.5, allocations: 2.242 MB / 3.137 GB, free: 107.9 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.9865/11.48, allocations: 144.9 MB / 3.278 GB, free: 424.1 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004851/11.49, allocations: 0.812 MB / 3.279 GB, free: 424.1 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1307/11.62, allocations: 72.12 MB / 3.349 GB, free: 400.7 MB / 0.9669 GB Warning: The linear system: 1 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth1[2].port_a.p ] = [ -valNorth1[3].dp ; -valNorth1[2].dp ] might be structurally or numerically singular for variable valNorth1[2].port_a.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 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth1[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth1[2].dp ; -valNorth1[3].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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (631): * Single equations (assignments): 608 * 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), (63,191)} [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/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]