Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/package.mo", uses=false) Using package ThermofluidStream with version 1.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(ThermofluidStream.Examples.Utilities.Tests.Piston,fileNamePrefix="ThermofluidStream_ThermofluidStream_Examples_Utilities_Tests_Piston",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermofluidStream.Examples.Utilities.Tests.Piston,fileNamePrefix="ThermofluidStream_ThermofluidStream_Examples_Utilities_Tests_Piston",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.006529/0.006529, allocations: 101.2 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00151/0.00151, allocations: 194.4 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.403/1.403, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/package.mo): time 0.6903/0.6903, allocations: 91.21 MB / 381.7 MB, free: 9.324 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00173/0.00173, allocations: 83.86 kB / 0.5164 GB, free: 9.488 MB / 398.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1492/0.1509, allocations: 67.68 MB / 0.5825 GB, free: 5.73 MB / 462.1 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.Examples.Utilities.Tests.Piston): time 0.5616/0.7126, allocations: 226 MB / 0.8031 GB, free: 6.328 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.5196/1.232, allocations: 43.11 MB / 0.8452 GB, free: 1.008 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004121/1.236, allocations: 67.19 kB / 0.8453 GB, free: 1.008 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.00787/1.244, allocations: 2.791 MB / 0.848 GB, free: 0.9961 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01052/1.255, allocations: 3.291 MB / 0.8512 GB, free: 0.9609 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.02471/1.28, allocations: 7.917 MB / 0.859 GB, free: 0.8945 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.009287/1.289, allocations: 5.547 MB / 0.8644 GB, free: 0.8945 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002945/1.292, allocations: 1.839 MB / 0.8662 GB, free: 16.43 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.009372/1.301, allocations: 3.877 MB / 0.87 GB, free: 15.98 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005521/1.307, allocations: 2.395 MB / 0.8723 GB, free: 15.91 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.001173/1.308, allocations: 485 kB / 0.8728 GB, free: 15.91 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02208/1.33, allocations: 9.584 MB / 0.8821 GB, free: 15.81 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.001848/1.332, allocations: 0.9847 MB / 0.8831 GB, free: 15.68 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.004326/1.336, allocations: 2.253 MB / 0.8853 GB, free: 15.14 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.02694/1.363, allocations: 10.97 MB / 0.896 GB, free: 14.16 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 5.951e-06/1.363, allocations: 0 / 0.896 GB, free: 14.16 MB / 0.6856 GB Notification: Performance of FrontEnd: time 2.124e-06/1.363, allocations: 0 / 0.896 GB, free: 14.16 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 0.0001087/1.363, allocations: 0 / 0.896 GB, free: 14.16 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 878 * Number of variables: 878 Notification: Performance of Generate backend data structure: time 0.01533/1.379, allocations: 5.297 MB / 0.9012 GB, free: 12.02 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 4.171e-05/1.379, allocations: 10.34 kB / 0.9012 GB, free: 12.02 MB / 0.6856 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006953/1.38, allocations: 470.5 kB / 0.9016 GB, free: 11.88 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003606/1.383, allocations: 0.7678 MB / 0.9024 GB, free: 11.58 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003514/1.387, allocations: 1.927 MB / 0.9043 GB, free: 10.74 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001548/1.387, allocations: 266.5 kB / 0.9045 GB, free: 10.73 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006608/1.388, allocations: 366.8 kB / 0.9049 GB, free: 10.71 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008246/1.396, allocations: 4.323 MB / 0.9091 GB, free: 9.527 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.468e-05/1.396, allocations: 7.719 kB / 0.9091 GB, free: 9.527 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002782/1.396, allocations: 144.8 kB / 0.9092 GB, free: 9.523 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.832e-05/1.396, allocations: 124.7 kB / 0.9094 GB, free: 9.512 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00728/1.404, allocations: 3.691 MB / 0.913 GB, free: 8.879 MB / 0.6856 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 0.02718/1.431, allocations: 24.08 MB / 0.9365 GB, free: 5.469 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005867/1.437, allocations: 2.842 MB / 0.9393 GB, free: 3.523 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002171/1.439, allocations: 1.257 MB / 0.9405 GB, free: 2.766 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.03337/1.472, allocations: 16.22 MB / 0.9563 GB, free: 0.9492 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004875/1.477, allocations: 1.553 MB / 0.9579 GB, free: 15.88 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=201): time 4.629e-06/1.477, allocations: 0 / 0.9579 GB, free: 15.88 MB / 0.7325 GB Notification: Performance of matching and sorting (n=205): time 0.02115/1.498, allocations: 8.253 MB / 0.9659 GB, free: 9.867 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.228e-05/1.498, allocations: 77.41 kB / 0.966 GB, free: 9.781 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002057/1.501, allocations: 1.236 MB / 0.9672 GB, free: 8.852 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.000151/1.501, allocations: 60.83 kB / 0.9673 GB, free: 8.812 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0013/1.502, allocations: 1.301 MB / 0.9685 GB, free: 7.867 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006164/1.503, allocations: 0.6931 MB / 0.9692 GB, free: 7.273 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008683/1.504, allocations: 397.2 kB / 0.9696 GB, free: 7.031 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001142/1.504, allocations: 305.1 kB / 0.9699 GB, free: 6.73 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001799/1.505, allocations: 0.8979 MB / 0.9707 GB, free: 6.191 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001918/1.507, allocations: 1.223 MB / 0.9719 GB, free: 5.273 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003931/1.511, allocations: 2.28 MB / 0.9742 GB, free: 3.844 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.535e-05/1.511, allocations: 8 kB / 0.9742 GB, free: 3.836 MB / 0.7325 GB Notification: Performance of matching and sorting (n=253) (initialization): time 0.006408/1.518, allocations: 3.115 MB / 0.9772 GB, free: 1.5 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.636e-05/1.518, allocations: 45.25 kB / 0.9773 GB, free: 1.453 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.702e-05/1.518, allocations: 8 kB / 0.9773 GB, free: 1.445 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002203/1.52, allocations: 0.6912 MB / 0.9779 GB, free: 0.7461 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00166/1.522, allocations: 401.6 kB / 0.9783 GB, free: 384 kB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01237/1.534, allocations: 7.574 MB / 0.9857 GB, free: 8.641 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001723/1.536, allocations: 84 kB / 0.9858 GB, free: 8.559 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003249/1.536, allocations: 87.97 kB / 0.9859 GB, free: 8.473 MB / 0.7481 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 35 * Number of states: 0 () * Number of discrete variables: 27 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,piston2_1.medium_right.phase,piston2_1.medium_left.phase,$whenCondition1,switch.tanValve1.outlet.state.phase,switch.tanValve.outlet.state.phase,switchConnector1.checkValve1.outlet.state.phase,switchConnector.checkValve1.outlet.state.phase,switchConnector1.checkValve.outlet.state.phase,switchConnector.checkValve.outlet.state.phase,switchConnector1.junctionRFF2_1.junctionMN.fores[2].state_forwards.phase,switchConnector.junctionRFF2_1.junctionMN.fores[2].state_forwards.phase,tanValve1.outlet.state.phase,tanValve.outlet.state.phase,flowResistance3.outlet.state.phase,flowResistance1.outlet.state.phase,flowResistance2.outlet.state.phase,flowResistance.outlet.state.phase,junctionT2_1.junctionN.outlet.state.phase,source.outlet.state.phase,switchConnector1.junctionRFF2_1.junctionMN.fores[1].state_forwards.phase,switchConnector1.junctionRFF2_1.junctionMN.rears[1].state_rearwards.phase,switchConnector.junctionRFF2_1.junctionMN.fores[1].state_forwards.phase,switchConnector.junctionRFF2_1.junctionMN.rears[1].state_rearwards.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (199): * Single equations (assignments): 195 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,46,61.1%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.001672/1.538, allocations: 0.672 MB / 0.9865 GB, free: 7.812 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006521/1.539, allocations: 189.6 kB / 0.9867 GB, free: 7.625 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01124/1.55, allocations: 7.741 MB / 0.9943 GB, free: 15.82 MB / 0.7637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.498e-05/1.55, allocations: 99.84 kB / 0.9944 GB, free: 15.72 MB / 0.7637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.053e-05/1.55, allocations: 11.94 kB / 0.9944 GB, free: 15.71 MB / 0.7637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.459e-05/1.55, allocations: 11.95 kB / 0.9944 GB, free: 15.7 MB / 0.7637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01723/1.567, allocations: 12.1 MB / 1.006 GB, free: 3.488 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.031e-05/1.567, allocations: 0 / 1.006 GB, free: 3.488 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001522/1.569, allocations: 341.7 kB / 1.007 GB, free: 3.168 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002608/1.571, allocations: 1.306 MB / 1.008 GB, free: 1.852 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000215/1.572, allocations: 63.95 kB / 1.008 GB, free: 1.789 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009837/1.582, allocations: 7.471 MB / 1.015 GB, free: 10.15 MB / 0.7794 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.328e-06/1.582, allocations: 4 kB / 1.015 GB, free: 10.14 MB / 0.7794 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01233/1.594, allocations: 7.517 MB / 1.023 GB, free: 2.547 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001486/1.595, allocations: 0.6174 MB / 1.023 GB, free: 1.906 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004889/1.596, allocations: 51.98 kB / 1.023 GB, free: 1.855 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001648/1.598, allocations: 95.86 kB / 1.023 GB, free: 1.762 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004719/1.598, allocations: 185.7 kB / 1.023 GB, free: 1.582 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001999/1.598, allocations: 83.89 kB / 1.024 GB, free: 1.5 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.0016/1.6, allocations: 0.7936 MB / 1.024 GB, free: 0.707 MB / 0.7794 GB Notification: Performance of sort global known variables: time 1.703e-06/1.6, allocations: 4 kB / 1.024 GB, free: 0.7031 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.006544/1.606, allocations: 1.787 MB / 1.026 GB, free: 14.92 MB / 0.795 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 11 (piston2_1.M_left,piston2_1.M_right,piston2_1.medium_left.u,piston2_1.medium_right.u,linearSpeedDependentForce.s,steamSink.x,firstOrder.y,flowResistance.m_flow,flowResistance2.m_flow,flowResistance1.m_flow,flowResistance3.m_flow) * Number of discrete variables: 49 ($cse1.region3boundary,$cse2.region3boundary,$cse3.phase,$cse3.region,$cse4.region3boundary,$cse5.region3boundary,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region,$cse9.phase,$cse9.region,$cse13.phase,$cse13.region,$cse15.phase,$cse15.region,$cse17.phase,$cse17.region,$cse18.phase,$cse18.region,$cse22.phase,$cse22.region,$cse24.phase,$cse24.region,$cse26.phase,$cse26.region,$cse29.phase,$cse29.region,$cse32.phase,$cse32.region,$cse33.phase,$cse33.region,$cse35.phase,$cse35.region,$cse37.phase,$cse37.region,$cse39.phase,$cse39.region,$cse41.phase,$cse41.region,$cse44.phase,$cse44.region,$cse47.phase,$cse47.region,$whenCondition1,piston2_1.medium_left.phase,piston2_1.medium_right.phase,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (191): * Single equations (assignments): 168 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 18 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,46,61.1%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,5), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0182/1.625, allocations: 9.396 MB / 1.035 GB, free: 5.613 MB / 0.795 GB Notification: Performance of simCode: created initialization part: time 0.006739/1.631, allocations: 3.541 MB / 1.039 GB, free: 2.066 MB / 0.795 GB Notification: Performance of simCode: created event and clocks part: time 4.198e-06/1.631, allocations: 4 kB / 1.039 GB, free: 2.062 MB / 0.795 GB Notification: Performance of simCode: created simulation system equations: time 0.00441/1.636, allocations: 2.678 MB / 1.041 GB, free: 15.42 MB / 0.8106 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004157/1.64, allocations: 0.7673 MB / 1.042 GB, free: 14.68 MB / 0.8106 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04326/1.683, allocations: 21.8 MB / 1.063 GB, free: 8.574 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002823/1.686, allocations: 2.29 MB / 1.066 GB, free: 6.254 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.002017/1.688, allocations: 0.8504 MB / 1.066 GB, free: 5.414 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002085/1.69, allocations: 1.577 MB / 1.068 GB, free: 3.836 MB / 0.8262 GB Notification: Performance of SimCode: time 1.032e-06/1.69, allocations: 0 / 1.068 GB, free: 3.836 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.9704/2.661, allocations: 112.1 MB / 1.177 GB, free: 439.3 MB / 0.9044 GB Notification: Performance of buildModelFMU: Generate platform static: time 19.69/22.35, allocations: 6.469 kB / 1.177 GB, free: 439.3 MB / 0.9044 GB (rm -f ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.pipe ; mkfifo ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.pipe ; head -c 1048576 < ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.pipe >> ../files/ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston_res.mat --tempDir=temp_ThermofluidStream_ThermofluidStream_Examples_Utilities_Tests_Piston_fmu --startTime=0 --stopTime=15 --timeout=1200 --tolerance=1e-06 ThermofluidStream_ThermofluidStream_Examples_Utilities_Tests_Piston.fmu > ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result ThermofluidStream_ThermofluidStream.Examples.Utilities.Tests.Piston_res.mat does not exist to compare? outputFormat=mat