Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_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 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Examples.AirHeater_u") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.185/2.185, allocations: 251.1 MB / 266.1 MB, free: 11.63 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001486/0.001486, allocations: 176.4 kB / 325.6 MB, free: 2.852 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.595/2.595, allocations: 205.4 MB / 0.5766 GB, free: 20.79 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001162/0.001162, allocations: 99.8 kB / 0.6811 GB, free: 13.61 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0006322/0.0006323, allocations: 11.94 kB / 0.7951 GB, free: 135.6 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2065/0.2071, allocations: 106.3 MB / 0.8989 GB, free: 65.52 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u): time 0.9906/1.198, allocations: 213.4 MB / 1.107 GB, free: 3.184 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.03551/1.233, allocations: 18.61 MB / 1.125 GB, free: 2.887 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004143/1.238, allocations: 74.22 kB / 1.125 GB, free: 2.887 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.005943/1.244, allocations: 1.267 MB / 1.127 GB, free: 2.883 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.01576/1.259, allocations: 3.756 MB / 1.13 GB, free: 2.836 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.01414/1.274, allocations: 3.231 MB / 1.134 GB, free: 2.773 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.00911/1.283, allocations: 3.469 MB / 1.137 GB, free: 2.758 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00469/1.287, allocations: 1.59 MB / 1.138 GB, free: 2.562 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01072/1.298, allocations: 1.99 MB / 1.14 GB, free: 2.559 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00535/1.304, allocations: 1.188 MB / 1.142 GB, free: 2.395 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.001508/1.305, allocations: 95.81 kB / 1.142 GB, free: 2.391 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009809/1.315, allocations: 2.073 MB / 1.144 GB, free: 1.992 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.001846/1.317, allocations: 0.6649 MB / 1.144 GB, free: 1.816 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.001924/1.319, allocations: 0.5214 MB / 1.145 GB, free: 17.79 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.007891/1.327, allocations: 3.373 MB / 1.148 GB, free: 16.08 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 3.777e-06/1.327, allocations: 2.719 kB / 1.148 GB, free: 16.08 MB / 0.7136 GB Notification: Performance of FrontEnd: time 3.707e-06/1.327, allocations: 0 / 1.148 GB, free: 16.08 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0001421/1.327, allocations: 0 / 1.148 GB, free: 16.08 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 382 * Number of variables: 382 Notification: Performance of Generate backend data structure: time 0.008905/1.336, allocations: 2.673 MB / 1.151 GB, free: 14.36 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 4.583e-05/1.336, allocations: 9.906 kB / 1.151 GB, free: 14.36 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008159/1.344, allocations: 0.8192 MB / 1.152 GB, free: 14.03 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006532/1.351, allocations: 1.759 MB / 1.153 GB, free: 13.25 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007586/1.352, allocations: 187.7 kB / 1.153 GB, free: 13.22 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006472/1.352, allocations: 169 kB / 1.154 GB, free: 13.22 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006456/1.359, allocations: 1.861 MB / 1.155 GB, free: 12.66 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.336e-05/1.359, allocations: 7.984 kB / 1.155 GB, free: 12.66 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002932/1.359, allocations: 67.3 kB / 1.156 GB, free: 12.65 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.532e-05/1.359, allocations: 54.56 kB / 1.156 GB, free: 12.65 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006982/1.366, allocations: 1.603 MB / 1.157 GB, free: 12.38 MB / 0.7136 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 0.02138/1.388, allocations: 8.374 MB / 1.165 GB, free: 7.023 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004766/1.393, allocations: 1.792 MB / 1.167 GB, free: 6.066 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007367/1.393, allocations: 148.5 kB / 1.167 GB, free: 5.957 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002715/1.396, allocations: 0.6993 MB / 1.168 GB, free: 5.738 MB / 0.7136 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001549/1.398, allocations: 121.2 kB / 1.168 GB, free: 5.68 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=101): time 6.842e-06/1.398, allocations: 2.625 kB / 1.168 GB, free: 5.68 MB / 0.7136 GB Notification: Performance of matching and sorting (n=104): time 0.01659/1.414, allocations: 3.727 MB / 1.172 GB, free: 4.469 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001011/1.415, allocations: 145.4 kB / 1.172 GB, free: 4.309 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003657/1.418, allocations: 1.598 MB / 1.173 GB, free: 3.828 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 0.0004077/1.419, allocations: 58.3 kB / 1.173 GB, free: 3.793 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 0.00131/1.42, allocations: 0.9667 MB / 1.174 GB, free: 3.363 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007559/1.421, allocations: 366.7 kB / 1.175 GB, free: 3.102 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001304/1.421, allocations: 28.53 kB / 1.175 GB, free: 3.102 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 0.0002211/1.421, allocations: 351.3 kB / 1.175 GB, free: 2.781 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002214/1.423, allocations: 0.5613 MB / 1.176 GB, free: 2.688 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002791/1.426, allocations: 0.918 MB / 1.177 GB, free: 2.176 MB / 0.7136 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 0.02267/1.449, allocations: 2.701 MB / 1.179 GB, free: 36 kB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.297e-05/1.449, allocations: 0 / 1.179 GB, free: 36 kB / 0.7136 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