Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr Modelica_3.1_cpp_Modelica.Fluid.Examples.PumpingSystem.conf.json Using package ModelicaServices with version 1.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 1.0/package.mo) Using package Modelica with version 3.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.1/package.mo) Running command: translateModel(Modelica.Fluid.Examples.PumpingSystem,tolerance=1e-06,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="Modelica_3.1_cpp_Modelica.Fluid.Examples.PumpingSystem") Notification: Performance of loadModel(Modelica): time 0.9628/0.9628, allocations: 111.1 MB / 127.3 MB, free: 6.145 MB / 106.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0002622/0.0002623, allocations: 8 kB / 158.9 MB, free: 15.23 MB / 138.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.05272/0.053, allocations: 25.16 MB / 184 MB, free: 6.023 MB / 154.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.8998/0.9528, allocations: 247.3 MB / 431.3 MB, free: 45.39 MB / 234.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000268/0.9532, allocations: 75.02 kB / 431.4 MB, free: 45.36 MB / 234.7 MB Notification: Performance of FrontEnd - DAE generated: time 1.053/2.006, allocations: 229.5 MB / 0.6454 GB, free: 15.11 MB / 250.7 MB Notification: Performance of FrontEnd: time 4.769e-06/2.006, allocations: 0 / 0.6454 GB, free: 15.11 MB / 250.7 MB Notification: Performance of Transformations before backend: time 0.0001382/2.006, allocations: 35.88 kB / 0.6455 GB, free: 15.08 MB / 250.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 234 * Number of variables: 234 Notification: Performance of Generate backend data structure: time 0.006752/2.013, allocations: 1.612 MB / 0.647 GB, free: 13.41 MB / 250.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.135e-05/2.013, allocations: 12.03 kB / 0.647 GB, free: 13.4 MB / 250.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007578/2.014, allocations: 138.4 kB / 0.6472 GB, free: 13.27 MB / 250.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002722/2.017, allocations: 0.8166 MB / 0.648 GB, free: 12.41 MB / 250.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003537/2.017, allocations: 204.8 kB / 0.6482 GB, free: 12.18 MB / 250.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003204/2.017, allocations: 83.98 kB / 0.6482 GB, free: 12.1 MB / 250.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004494/2.022, allocations: 1.436 MB / 0.6496 GB, free: 10.6 MB / 250.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.142e-05/2.022, allocations: 4 kB / 0.6497 GB, free: 10.59 MB / 250.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002201/2.022, allocations: 39.98 kB / 0.6497 GB, free: 10.55 MB / 250.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001445/2.022, allocations: 65.97 kB / 0.6498 GB, free: 10.49 MB / 250.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004277/2.027, allocations: 1.252 MB / 0.651 GB, free: 9.242 MB / 250.7 MB 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 0.0154/2.042, allocations: 6.016 MB / 0.6569 GB, free: 2.891 MB / 250.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003465/2.046, allocations: 0.9291 MB / 0.6578 GB, free: 1.945 MB / 250.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.1832/2.229, allocations: 3.298 MB / 0.661 GB, free: 27.99 MB / 250.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001944/2.231, allocations: 0.6402 MB / 0.6616 GB, free: 27.89 MB / 250.7 MB Notification: Performance of pre-optimization done (n=74): time 3.707e-06/2.231, allocations: 1.531 kB / 0.6616 GB, free: 27.89 MB / 250.7 MB Warning: Some equations could not be differentiated for following variables having attribute stateSelect=StateSelect.prefer. They will be treated as if they had stateSelect=StateSelect.default ======================================== 1: reservoir.level Please use -d=bltdump for more information. Notification: Performance of matching and sorting (n=101): time 0.3202/2.551, allocations: 15.63 MB / 0.6769 GB, free: 26 MB / 250.7 MB 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! Notification: Performance of inlineWhenForInitialization (initialization): time 0.004376/2.556, allocations: 1.189 MB / 0.678 GB, free: 25.33 MB / 250.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001798/2.557, allocations: 0.9725 MB / 0.679 GB, free: 25.18 MB / 250.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0003869/2.558, allocations: 46.2 kB / 0.679 GB, free: 25.14 MB / 250.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004298/2.558, allocations: 0.5409 MB / 0.6795 GB, free: 24.87 MB / 250.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004921/2.559, allocations: 348.4 kB / 0.6799 GB, free: 24.7 MB / 250.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001702/2.559, allocations: 29.53 kB / 0.6799 GB, free: 24.7 MB / 250.7 MB Notification: Performance of setup shared object (initialization): time 0.0001032/2.559, allocations: 359.1 kB / 0.6803 GB, free: 24.38 MB / 250.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003025/2.562, allocations: 0.7985 MB / 0.681 GB, free: 24.38 MB / 250.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003318/2.565, allocations: 1.207 MB / 0.6822 GB, free: 23.91 MB / 250.7 MB Notification: The given system is mixed-determined. [index = 1] Notification: Performance of analyzeInitialSystem (initialization): time 0.03869/2.604, allocations: 5.003 MB / 0.6871 GB, free: 23.84 MB / 250.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.541e-05/2.604, allocations: 1.656 kB / 0.6871 GB, free: 23.84 MB / 250.7 MB 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