Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Fluid.HeatExchangers.Examples.AirHeater_u.conf.json Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 9.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Fluid.HeatExchangers.Examples.AirHeater_u") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.537/4.537, allocations: 0.5623 GB / 0.5769 GB, free: 3.344 MB / 474.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002382/0.002382, allocations: 357.9 kB / 0.644 GB, free: 185.6 MB / 474.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 3.79/3.79, allocations: 410.7 MB / 1.112 GB, free: 147.9 MB / 0.5886 GB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001673/0.001673, allocations: 178.9 kB / 1.225 GB, free: 35.97 MB / 0.5886 GB Notification: Performance of FrontEnd - loaded program: time 0.0005012/0.0005015, allocations: 12 kB / 1.348 GB, free: 121.7 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1511/0.1516, allocations: 115.3 MB / 1.461 GB, free: 6.613 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u): time 0.8258/0.9774, allocations: 232.2 MB / 1.688 GB, free: 132 kB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.03551/1.013, allocations: 19.47 MB / 1.707 GB, free: 12.62 MB / 0.7761 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003418/1.016, allocations: 75.5 kB / 1.707 GB, free: 12.54 MB / 0.7761 GB Notification: Performance of NFTyping.typeComponents: time 0.00403/1.02, allocations: 1.11 MB / 1.708 GB, free: 11.43 MB / 0.7761 GB Notification: Performance of NFTyping.typeBindings: time 0.0138/1.034, allocations: 3.997 MB / 1.712 GB, free: 7.41 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.01167/1.046, allocations: 3.217 MB / 1.715 GB, free: 4.223 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.01048/1.057, allocations: 6.687 MB / 1.721 GB, free: 13.52 MB / 0.7917 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003149/1.06, allocations: 1.563 MB / 1.723 GB, free: 11.93 MB / 0.7917 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00551/1.065, allocations: 2.135 MB / 1.725 GB, free: 9.785 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003366/1.069, allocations: 1.685 MB / 1.727 GB, free: 8.094 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.0004288/1.069, allocations: 92 kB / 1.727 GB, free: 8.004 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005996/1.075, allocations: 1.991 MB / 1.729 GB, free: 6.008 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.001309/1.076, allocations: 0.7163 MB / 1.729 GB, free: 5.289 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.001017/1.077, allocations: 0.5122 MB / 1.73 GB, free: 4.77 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.005912/1.083, allocations: 3.394 MB / 1.733 GB, free: 1.367 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 6e-06/1.083, allocations: 0 / 1.733 GB, free: 1.367 MB / 0.7917 GB Notification: Performance of FrontEnd: time 2.663e-06/1.083, allocations: 4 kB / 1.733 GB, free: 1.363 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 3.475e-05/1.084, allocations: 4 kB / 1.733 GB, free: 1.359 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 378 * Number of variables: 378 Notification: Performance of Generate backend data structure: time 0.006278/1.09, allocations: 2.66 MB / 1.736 GB, free: 14.62 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 4.341e-05/1.09, allocations: 12.56 kB / 1.736 GB, free: 14.61 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00654/1.096, allocations: 0.8279 MB / 1.736 GB, free: 13.78 MB / 0.8073 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004575/1.101, allocations: 1.73 MB / 1.738 GB, free: 12 MB / 0.8073 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000489/1.102, allocations: 182.9 kB / 1.738 GB, free: 11.82 MB / 0.8073 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003428/1.102, allocations: 168 kB / 1.739 GB, free: 11.66 MB / 0.8073 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004578/1.107, allocations: 1.87 MB / 1.74 GB, free: 9.723 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.292e-05/1.107, allocations: 4 kB / 1.74 GB, free: 9.719 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000207/1.107, allocations: 60 kB / 1.74 GB, free: 9.66 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.98e-05/1.107, allocations: 58.86 kB / 1.74 GB, free: 9.602 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004627/1.112, allocations: 1.612 MB / 1.742 GB, free: 7.984 MB / 0.8073 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 0.01536/1.127, allocations: 8.346 MB / 1.75 GB, free: 15.01 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003751/1.131, allocations: 1.836 MB / 1.752 GB, free: 13.02 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001885/1.133, allocations: 0.6864 MB / 1.753 GB, free: 12.34 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006369/1.133, allocations: 243.1 kB / 1.753 GB, free: 12.06 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001936/1.135, allocations: 0.6961 MB / 1.754 GB, free: 11.36 MB / 0.823 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0009434/1.136, allocations: 123.1 kB / 1.754 GB, free: 11.23 MB / 0.823 GB Notification: Performance of pre-optimization done (n=101): time 4.317e-06/1.136, allocations: 0 / 1.754 GB, free: 11.23 MB / 0.823 GB Notification: Performance of matching and sorting (n=104): time 0.01199/1.148, allocations: 3.755 MB / 1.757 GB, free: 7.398 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001007/1.148, allocations: 137.5 kB / 1.757 GB, free: 7.234 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003008/1.151, allocations: 1.593 MB / 1.759 GB, free: 5.598 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 0.0002113/1.152, allocations: 53.69 kB / 1.759 GB, free: 5.539 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.00114/1.153, allocations: 0.9638 MB / 1.76 GB, free: 4.562 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004974/1.153, allocations: 374.7 kB / 1.76 GB, free: 4.191 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001026/1.153, allocations: 24 kB / 1.76 GB, free: 4.168 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 0.0002091/1.154, allocations: 357.9 kB / 1.761 GB, free: 3.812 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00176/1.155, allocations: 0.5647 MB / 1.761 GB, free: 3.25 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002087/1.157, allocations: 0.9381 MB / 1.762 GB, free: 2.164 MB / 0.823 GB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Notification: Performance of analyzeInitialSystem (initialization): time 0.01512/1.173, allocations: 2.72 MB / 1.765 GB, free: 15.43 MB / 0.8386 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.217e-05/1.173, allocations: 4 kB / 1.765 GB, free: 15.43 MB / 0.8386 GB 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: No system for the symbolic initialization was generated