Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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: "" <> buildModelFMU(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001504/0.001504, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001457/0.001457, allocations: 195.1 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.36/1.36, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002493/0.002493, allocations: 279 kB / 290.7 MB, free: 1.996 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.021/1.021, allocations: 178.6 MB / 0.5073 GB, free: 4.57 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002652/0.002652, allocations: 97.56 kB / 0.6065 GB, free: 24.82 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1662/0.1688, allocations: 89.14 MB / 0.6936 GB, free: 4.23 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1): time 0.6509/0.8198, allocations: 357.7 MB / 1.043 GB, free: 5.707 MB / 0.7637 GB Notification: Performance of NFInst.instExpressions: time 0.4341/1.254, allocations: 75.86 MB / 1.117 GB, free: 43.36 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01466/1.269, allocations: 434.6 kB / 1.117 GB, free: 43.36 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.0351/1.304, allocations: 23.47 MB / 1.14 GB, free: 42.96 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.0351/1.339, allocations: 14.04 MB / 1.154 GB, free: 39.07 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.02139/1.36, allocations: 10.04 MB / 1.164 GB, free: 32.93 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.07997/1.44, allocations: 66.81 MB / 1.229 GB, free: 8.117 MB / 0.795 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03038/1.471, allocations: 20.01 MB / 1.249 GB, free: 4.695 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03424/1.505, allocations: 16.97 MB / 1.265 GB, free: 4.676 MB / 0.8262 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02751/1.532, allocations: 16.38 MB / 1.281 GB, free: 5.457 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.007151/1.54, allocations: 1.969 MB / 1.283 GB, free: 3.488 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02/1.56, allocations: 6.628 MB / 1.29 GB, free: 13.17 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.00978/1.569, allocations: 6.507 MB / 1.296 GB, free: 6.891 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.01981/1.589, allocations: 11.29 MB / 1.307 GB, free: 11.79 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.04299/1.632, allocations: 31.6 MB / 1.338 GB, free: 13.33 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 4.959e-06/1.632, allocations: 0 / 1.338 GB, free: 13.33 MB / 0.9044 GB Notification: Performance of FrontEnd: time 1.283e-06/1.632, allocations: 4 kB / 1.338 GB, free: 13.33 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0006692/1.633, allocations: 4 kB / 1.338 GB, free: 13.32 MB / 0.9044 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 0.05974/1.693, allocations: 24.12 MB / 1.361 GB, free: 5.242 MB / 0.92 GB Notification: Performance of prepare preOptimizeDAE: time 4.363e-05/1.693, allocations: 12.03 kB / 1.361 GB, free: 5.23 MB / 0.92 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002433/1.695, allocations: 1.058 MB / 1.362 GB, free: 4.172 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01469/1.71, allocations: 3.196 MB / 1.366 GB, free: 0.9492 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04106/1.751, allocations: 21.85 MB / 1.387 GB, free: 11.4 MB / 0.9512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007846/1.752, allocations: 0.6958 MB / 1.388 GB, free: 10.71 MB / 0.9512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003631/1.755, allocations: 0.9496 MB / 1.388 GB, free: 9.77 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.5134/2.269, allocations: 17.11 MB / 1.405 GB, free: 427.8 MB / 0.9513 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002062/2.269, allocations: 12 kB / 1.405 GB, free: 427.8 MB / 0.9513 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001769/2.271, allocations: 330.3 kB / 1.406 GB, free: 427.5 MB / 0.9513 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003255/2.271, allocations: 369.9 kB / 1.406 GB, free: 427.5 MB / 0.9513 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03772/2.309, allocations: 21.55 MB / 1.427 GB, free: 420.7 MB / 0.9513 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 0.1082/2.417, allocations: 83.98 MB / 1.509 GB, free: 356.7 MB / 0.9513 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01775/2.435, allocations: 13.33 MB / 1.522 GB, free: 343.7 MB / 0.9513 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01138/2.446, allocations: 9.807 MB / 1.532 GB, free: 333.9 MB / 0.9513 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 0.05501/2.501, allocations: 35.86 MB / 1.567 GB, free: 298.3 MB / 0.9513 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01281/2.514, allocations: 10.26 MB / 1.577 GB, free: 288 MB / 0.9513 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01674/2.531, allocations: 5.826 MB / 1.582 GB, free: 282.9 MB / 0.9513 GB Notification: Performance of pre-optimization done (n=588): time 2.141e-05/2.531, allocations: 0 / 1.582 GB, free: 282.9 MB / 0.9513 GB Notification: Performance of matching and sorting (n=880): time 0.871/3.402, allocations: 240 MB / 1.817 GB, free: 42.11 MB / 0.9513 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 0.6229/4.025, allocations: 55.35 MB / 1.871 GB, free: 384 MB / 0.9514 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03367/4.059, allocations: 20.12 MB / 1.89 GB, free: 379 MB / 0.9514 GB Notification: Performance of collectPreVariables (initialization): time 0.003788/4.063, allocations: 232.4 kB / 1.891 GB, free: 378.9 MB / 0.9514 GB Notification: Performance of collectInitialEqns (initialization): time 0.00725/4.07, allocations: 7.757 MB / 1.898 GB, free: 374.2 MB / 0.9514 GB Notification: Performance of collectInitialBindings (initialization): time 0.01015/4.08, allocations: 3.189 MB / 1.901 GB, free: 373 MB / 0.9514 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01091/4.091, allocations: 4.642 MB / 1.906 GB, free: 371.9 MB / 0.9514 GB Notification: Performance of setup shared object (initialization): time 3.235e-05/4.091, allocations: 305.1 kB / 1.906 GB, free: 371.6 MB / 0.9514 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03065/4.122, allocations: 25.97 MB / 1.931 GB, free: 364.3 MB / 0.9514 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03273/4.154, allocations: 28.87 MB / 1.96 GB, free: 354 MB / 0.9514 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.05651/4.211, allocations: 47.51 MB / 2.006 GB, free: 309.9 MB / 0.9514 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.041e-05/4.211, allocations: 16 kB / 2.006 GB, free: 309.9 MB / 0.9514 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.5825/4.794, allocations: 146.8 MB / 2.149 GB, free: 164.3 MB / 0.9514 GB Notification: Performance of prepare postOptimizeDAE: time 6.216e-05/4.794, allocations: 49.7 kB / 2.149 GB, free: 164.3 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.576e-05/4.794, allocations: 52 kB / 2.149 GB, free: 164.2 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5623/5.356, allocations: 119.9 MB / 2.267 GB, free: 44.45 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01873/5.375, allocations: 3.848 MB / 2.27 GB, free: 40.61 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4075/5.782, allocations: 84.32 MB / 2.353 GB, free: 355.5 MB / 0.9514 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2061/5.989, allocations: 10.63 MB / 2.363 GB, free: 355.1 MB / 0.9514 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004872/5.993, allocations: 1.697 MB / 2.365 GB, free: 355 MB / 0.9514 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03613/6.03, allocations: 29.36 MB / 2.393 GB, free: 341.1 MB / 0.9514 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03016/6.06, allocations: 28.34 MB / 2.421 GB, free: 318.3 MB / 0.9514 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05435/6.114, allocations: 46.45 MB / 2.466 GB, free: 271.2 MB / 0.9514 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.047e-05/6.114, allocations: 16 kB / 2.466 GB, free: 271.2 MB / 0.9514 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.5706/6.685, allocations: 145.1 MB / 2.608 GB, free: 127 MB / 0.9514 GB Notification: Performance of prepare postOptimizeDAE: time 5.544e-05/6.685, allocations: 55.27 kB / 2.608 GB, free: 127 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.986e-05/6.685, allocations: 56.64 kB / 2.608 GB, free: 126.9 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.8402/7.525, allocations: 118.9 MB / 2.724 GB, free: 362.9 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01789/7.543, allocations: 3.799 MB / 2.728 GB, free: 362.9 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1349/7.678, allocations: 88.2 MB / 2.814 GB, free: 332.3 MB / 0.9514 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.205/7.883, allocations: 10.69 MB / 2.825 GB, free: 324.5 MB / 0.9514 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004203/7.887, allocations: 1.66 MB / 2.826 GB, free: 322.9 MB / 0.9514 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 0.004809/7.892, allocations: 0.7812 MB / 2.827 GB, free: 322.1 MB / 0.9514 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.005192/7.897, allocations: 1.632 MB / 2.829 GB, free: 321.4 MB / 0.9514 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1962/8.093, allocations: 68.73 MB / 2.896 GB, free: 252.9 MB / 0.9514 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2211/8.315, allocations: 83.21 MB / 2.977 GB, free: 169.8 MB / 0.9514 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.631e-05/8.315, allocations: 28 kB / 2.977 GB, free: 169.8 MB / 0.9514 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.207/8.522, allocations: 82.1 MB / 3.057 GB, free: 87.72 MB / 0.9514 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6432/9.165, allocations: 216.4 MB / 3.268 GB, free: 292.9 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.906e-05/9.165, allocations: 3.938 kB / 3.268 GB, free: 292.9 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01226/9.177, allocations: 2.247 MB / 3.271 GB, free: 290.7 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5416/9.719, allocations: 144.9 MB / 3.412 GB, free: 146.4 MB / 0.9514 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003194/9.722, allocations: 0.8142 MB / 3.413 GB, free: 145.6 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1153/9.837, allocations: 72.12 MB / 3.483 GB, free: 73.45 MB / 0.9514 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (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/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]