Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_master_IBPSA.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 IBPSA with version 3.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 3.0.0-master/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) Running command: translateModel(IBPSA.Fluid.HeatExchangers.Examples.AirHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_master_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_u") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.004003/0.004009, allocations: 359.9 kB / 16.59 MB, free: 5.562 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 3.0.0-master/package.mo): time 1.553/1.553, allocations: 165.8 MB / 183.1 MB, free: 5.418 MB / 138.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.054/4.054, allocations: 410.8 MB / 0.6001 GB, free: 15.17 MB / 298.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001838/0.001837, allocations: 188.3 kB / 0.6668 GB, free: 6.918 MB / 298.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0004607/0.000461, allocations: 16 kB / 0.7429 GB, free: 8.957 MB / 378.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4153/0.4158, allocations: 67.44 MB / 0.8087 GB, free: 28.77 MB / 378.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatExchangers.Examples.AirHeater_u): time 0.807/1.223, allocations: 232.2 MB / 1.035 GB, free: 352 kB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.04369/1.267, allocations: 19.48 MB / 1.054 GB, free: 13.19 MB / 0.5105 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00443/1.271, allocations: 79.44 kB / 1.055 GB, free: 13.11 MB / 0.5105 GB Notification: Performance of NFTyping.typeComponents: time 0.006411/1.278, allocations: 1.11 MB / 1.056 GB, free: 12 MB / 0.5105 GB Notification: Performance of NFTyping.typeBindings: time 0.01848/1.296, allocations: 3.988 MB / 1.06 GB, free: 7.988 MB / 0.5105 GB Notification: Performance of NFTyping.typeClassSections: time 0.01474/1.311, allocations: 3.228 MB / 1.063 GB, free: 4.785 MB / 0.5105 GB Notification: Performance of NFFlatten.flatten: time 0.01297/1.324, allocations: 6.689 MB / 1.069 GB, free: 14.08 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004234/1.328, allocations: 1.556 MB / 1.071 GB, free: 12.5 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007103/1.335, allocations: 2.135 MB / 1.073 GB, free: 10.36 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004794/1.34, allocations: 1.681 MB / 1.074 GB, free: 8.668 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 0.0008157/1.341, allocations: 95.98 kB / 1.075 GB, free: 8.574 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007799/1.349, allocations: 1.991 MB / 1.076 GB, free: 6.578 MB / 0.5261 GB Notification: Performance of NFScalarize.scalarize: time 0.001824/1.351, allocations: 0.7163 MB / 1.077 GB, free: 5.859 MB / 0.5261 GB Notification: Performance of NFVerifyModel.verify: time 0.001409/1.352, allocations: 0.5121 MB / 1.078 GB, free: 5.34 MB / 0.5261 GB Notification: Performance of NFConvertDAE.convert: time 0.007591/1.36, allocations: 3.398 MB / 1.081 GB, free: 1.934 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 8.306e-06/1.36, allocations: 0 / 1.081 GB, free: 1.934 MB / 0.5261 GB Notification: Performance of FrontEnd: time 2.916e-06/1.36, allocations: 0 / 1.081 GB, free: 1.934 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 0.0001357/1.36, allocations: 0 / 1.081 GB, free: 1.934 MB / 0.5261 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 0.008704/1.369, allocations: 2.667 MB / 1.084 GB, free: 15.19 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 5.438e-05/1.369, allocations: 15.97 kB / 1.084 GB, free: 15.18 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008244/1.377, allocations: 0.8203 MB / 1.084 GB, free: 14.35 MB / 0.5417 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00604/1.383, allocations: 1.722 MB / 1.086 GB, free: 12.58 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007661/1.384, allocations: 198.8 kB / 1.086 GB, free: 12.39 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006054/1.385, allocations: 160 kB / 1.086 GB, free: 12.23 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006295/1.391, allocations: 1.869 MB / 1.088 GB, free: 10.3 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.129e-05/1.391, allocations: 0 / 1.088 GB, free: 10.3 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002537/1.391, allocations: 67.98 kB / 1.088 GB, free: 10.23 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000101/1.391, allocations: 58.89 kB / 1.088 GB, free: 10.17 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006537/1.398, allocations: 1.608 MB / 1.09 GB, free: 8.559 MB / 0.5417 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 0.0198/1.418, allocations: 8.345 MB / 1.098 GB, free: 15.59 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004989/1.423, allocations: 1.826 MB / 1.1 GB, free: 13.61 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002534/1.425, allocations: 0.6864 MB / 1.101 GB, free: 12.92 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008292/1.426, allocations: 239.1 kB / 1.101 GB, free: 12.65 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002484/1.429, allocations: 0.7039 MB / 1.101 GB, free: 11.93 MB / 0.5573 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001264/1.43, allocations: 127 kB / 1.102 GB, free: 11.81 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=101): time 4.318e-06/1.43, allocations: 3.938 kB / 1.102 GB, free: 11.8 MB / 0.5573 GB Notification: Performance of matching and sorting (n=104): time 0.01585/1.446, allocations: 3.744 MB / 1.105 GB, free: 7.973 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.711e-05/1.446, allocations: 145.5 kB / 1.105 GB, free: 7.801 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003486/1.45, allocations: 1.605 MB / 1.107 GB, free: 6.152 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 0.0003405/1.45, allocations: 53.7 kB / 1.107 GB, free: 6.094 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001264/1.451, allocations: 0.9561 MB / 1.108 GB, free: 5.125 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006768/1.452, allocations: 366.7 kB / 1.108 GB, free: 4.762 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001207/1.452, allocations: 24 kB / 1.108 GB, free: 4.738 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0001817/1.452, allocations: 357.9 kB / 1.109 GB, free: 4.383 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00228/1.455, allocations: 0.5686 MB / 1.109 GB, free: 3.812 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002667/1.457, allocations: 0.9342 MB / 1.11 GB, free: 2.734 MB / 0.5573 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 0.02293/1.48, allocations: 2.724 MB / 1.113 GB, free: 15.99 MB / 0.573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.148e-05/1.48, allocations: 0 / 1.113 GB, free: 15.99 MB / 0.573 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