Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_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.Validation.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.439/2.439, allocations: 251.1 MB / 266.1 MB, free: 11.62 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 0.002312/0.002312, allocations: 187.6 kB / 325.6 MB, free: 2.816 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 2.482/2.482, allocations: 205.4 MB / 0.5766 GB, free: 21.12 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 0.001125/0.001125, allocations: 95.41 kB / 0.6811 GB, free: 14 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0006288/0.0006291, allocations: 16.31 kB / 0.7951 GB, free: 135.8 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2128/0.2134, allocations: 106.3 MB / 0.8989 GB, free: 65.96 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u): time 1.021/1.234, allocations: 209.7 MB / 1.104 GB, free: 3.211 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.02081/1.255, allocations: 9.664 MB / 1.113 GB, free: 3.062 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003486/1.258, allocations: 62.53 kB / 1.113 GB, free: 3.062 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.004413/1.263, allocations: 0.8588 MB / 1.114 GB, free: 3.062 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.01267/1.276, allocations: 2.764 MB / 1.117 GB, free: 3.023 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.00837/1.284, allocations: 1.842 MB / 1.118 GB, free: 2.988 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.00676/1.291, allocations: 2.472 MB / 1.121 GB, free: 2.977 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003294/1.294, allocations: 1.166 MB / 1.122 GB, free: 2.812 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005433/1.3, allocations: 1.471 MB / 1.123 GB, free: 2.805 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002521/1.302, allocations: 0.8437 MB / 1.124 GB, free: 2.805 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.0006485/1.303, allocations: 67.66 kB / 1.124 GB, free: 2.801 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006573/1.309, allocations: 1.56 MB / 1.126 GB, free: 2.801 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.001395/1.311, allocations: 443.7 kB / 1.126 GB, free: 2.801 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.001679/1.313, allocations: 399.4 kB / 1.127 GB, free: 18.77 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.005718/1.318, allocations: 2.366 MB / 1.129 GB, free: 18.59 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 5.009e-06/1.319, allocations: 0 / 1.129 GB, free: 18.59 MB / 0.7136 GB Notification: Performance of FrontEnd: time 4.048e-06/1.319, allocations: 0 / 1.129 GB, free: 18.59 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 9.374e-05/1.319, allocations: 0 / 1.129 GB, free: 18.59 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: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.005865/1.325, allocations: 2.101 MB / 1.131 GB, free: 17.39 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 4.159e-05/1.325, allocations: 9.031 kB / 1.131 GB, free: 17.39 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005979/1.331, allocations: 0.6527 MB / 1.132 GB, free: 17.26 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00428/1.335, allocations: 1.317 MB / 1.133 GB, free: 16.86 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006509/1.336, allocations: 157.3 kB / 1.133 GB, free: 16.84 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003469/1.336, allocations: 129.1 kB / 1.133 GB, free: 16.83 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00422/1.34, allocations: 1.431 MB / 1.135 GB, free: 16.38 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.344e-05/1.34, allocations: 1.438 kB / 1.135 GB, free: 16.38 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001888/1.341, allocations: 45.88 kB / 1.135 GB, free: 16.38 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.902e-05/1.341, allocations: 52.58 kB / 1.135 GB, free: 16.37 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005082/1.346, allocations: 1.206 MB / 1.136 GB, free: 16.17 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 0.01318/1.359, allocations: 5.715 MB / 1.141 GB, free: 12.82 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003203/1.362, allocations: 1.052 MB / 1.143 GB, free: 12.47 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006797/1.363, allocations: 153 kB / 1.143 GB, free: 12.36 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001928/1.365, allocations: 0.5722 MB / 1.143 GB, free: 12.16 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=85): time 4.789e-06/1.365, allocations: 0 / 1.143 GB, free: 12.16 MB / 0.7136 GB Notification: Performance of matching and sorting (n=93): time 0.01425/1.379, allocations: 3.695 MB / 1.147 GB, free: 10.73 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.433e-05/1.379, allocations: 93.34 kB / 1.147 GB, free: 10.64 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002689/1.382, allocations: 1.334 MB / 1.148 GB, free: 10.26 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 0.0002472/1.382, allocations: 43.42 kB / 1.148 GB, free: 10.23 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007873/1.383, allocations: 0.729 MB / 1.149 GB, free: 9.926 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004571/1.383, allocations: 319.6 kB / 1.149 GB, free: 9.695 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.145e-05/1.384, allocations: 22 kB / 1.149 GB, free: 9.695 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 0.0001529/1.384, allocations: 348 kB / 1.15 GB, free: 9.375 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001718/1.385, allocations: 455.8 kB / 1.15 GB, free: 9.305 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001912/1.387, allocations: 0.6763 MB / 1.151 GB, free: 8.992 MB / 0.7136 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0206/1.408, allocations: 2.534 MB / 1.153 GB, free: 8.098 MB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.891e-06/1.408, allocations: 0 / 1.153 GB, free: 8.098 MB / 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