Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001435/0.001435, allocations: 108.3 kB / 17.54 MB, free: 4.781 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001449/0.001449, allocations: 190.6 kB / 20.71 MB, free: 1.625 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.337/1.337, allocations: 225.6 MB / 249.3 MB, free: 3.332 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/package.mo): time 0.5861/0.5861, allocations: 94.59 MB / 399 MB, free: 15.83 MB / 334.1 MB " [Timeout remaining time 179] 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.HeatExchangers.Tests.CounterFlowNTU,fileNamePrefix="ThermofluidStream_dev_ThermofluidStream_HeatExchangers_Tests_CounterFlowNTU",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU,fileNamePrefix="ThermofluidStream_dev_ThermofluidStream_HeatExchangers_Tests_CounterFlowNTU",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.00225/0.00225, allocations: 79.88 kB / 0.5442 GB, free: 12.68 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3836/0.3858, allocations: 71.84 MB / 0.6144 GB, free: 3.863 MB / 462.1 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU): time 0.253/0.6388, allocations: 215.6 MB / 0.825 GB, free: 12.74 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.02085/0.6596, allocations: 17.61 MB / 0.8422 GB, free: 11.07 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008525/0.6605, allocations: 59.62 kB / 0.8422 GB, free: 11.02 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.001469/0.662, allocations: 0.6092 MB / 0.8428 GB, free: 10.4 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.004229/0.6662, allocations: 1.771 MB / 0.8445 GB, free: 8.625 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.004467/0.6707, allocations: 1.692 MB / 0.8462 GB, free: 6.93 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.00247/0.6731, allocations: 1.724 MB / 0.8479 GB, free: 5.191 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003844/0.6735, allocations: 194.5 kB / 0.8481 GB, free: 4.992 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00239/0.6759, allocations: 1.226 MB / 0.8493 GB, free: 3.762 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007485/0.6766, allocations: 0.6452 MB / 0.8499 GB, free: 3.113 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0001302/0.6768, allocations: 92 kB / 0.85 GB, free: 3.023 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006864/0.6836, allocations: 3.479 MB / 0.8534 GB, free: 15.54 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.0002843/0.6839, allocations: 246.9 kB / 0.8536 GB, free: 15.3 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.0007843/0.6847, allocations: 0.6214 MB / 0.8542 GB, free: 14.67 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.005321/0.69, allocations: 2.378 MB / 0.8565 GB, free: 12.29 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 4.077e-06/0.69, allocations: 0 / 0.8565 GB, free: 12.29 MB / 0.6856 GB Notification: Performance of FrontEnd: time 1.694e-06/0.69, allocations: 0 / 0.8565 GB, free: 12.29 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 1.284e-05/0.69, allocations: 0 / 0.8565 GB, free: 12.29 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: 227 * Number of variables: 227 Notification: Performance of Generate backend data structure: time 0.003461/0.6935, allocations: 1.909 MB / 0.8584 GB, free: 10.32 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 3.704e-05/0.6935, allocations: 11.97 kB / 0.8584 GB, free: 10.3 MB / 0.6856 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001657/0.6937, allocations: 143.6 kB / 0.8585 GB, free: 10.16 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001927/0.6956, allocations: 298.8 kB / 0.8588 GB, free: 9.863 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001676/0.6973, allocations: 0.9335 MB / 0.8597 GB, free: 8.887 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002653/0.6976, allocations: 200.7 kB / 0.8599 GB, free: 8.668 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001559/0.6977, allocations: 92 kB / 0.86 GB, free: 8.578 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001864/0.6996, allocations: 1.009 MB / 0.861 GB, free: 7.539 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.043e-05/0.6996, allocations: 7.984 kB / 0.861 GB, free: 7.531 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.647e-05/0.6997, allocations: 39.94 kB / 0.8611 GB, free: 7.492 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.876e-05/0.6997, allocations: 20 kB / 0.8611 GB, free: 7.473 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001708/0.7014, allocations: 0.7846 MB / 0.8618 GB, free: 6.691 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 0.005318/0.7068, allocations: 4.124 MB / 0.8659 GB, free: 2.219 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001974/0.7087, allocations: 0.8198 MB / 0.8667 GB, free: 1.395 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008117/0.7095, allocations: 399.2 kB / 0.867 GB, free: 1.004 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.2502/0.9597, allocations: 1.3 MB / 0.8683 GB, free: 235.8 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.898e-05/0.9598, allocations: 41.12 kB / 0.8684 GB, free: 235.8 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=80): time 2.695e-06/0.9598, allocations: 0 / 0.8684 GB, free: 235.8 MB / 0.6856 GB Notification: Performance of matching and sorting (n=80): time 0.005238/0.965, allocations: 1.934 MB / 0.8702 GB, free: 235.3 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.702e-05/0.965, allocations: 61.69 kB / 0.8703 GB, free: 235.2 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008647/0.9659, allocations: 0.7976 MB / 0.8711 GB, free: 234.9 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 5.091e-05/0.966, allocations: 40.77 kB / 0.8711 GB, free: 234.8 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002939/0.9662, allocations: 0.5222 MB / 0.8716 GB, free: 234.5 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001711/0.9664, allocations: 291 kB / 0.8719 GB, free: 234.3 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000243/0.9667, allocations: 154.4 kB / 0.8721 GB, free: 234.2 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001389/0.9668, allocations: 333.9 kB / 0.8724 GB, free: 233.9 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000648/0.9674, allocations: 315.2 kB / 0.8727 GB, free: 233.8 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006913/0.9681, allocations: 393.8 kB / 0.873 GB, free: 233.7 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001301/0.9694, allocations: 0.6935 MB / 0.8737 GB, free: 233.4 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.226e-06/0.9694, allocations: 0.9844 kB / 0.8737 GB, free: 233.4 MB / 0.6856 GB Notification: Performance of matching and sorting (n=93) (initialization): time 0.002749/0.9722, allocations: 1.243 MB / 0.8749 GB, free: 232.9 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.596e-05/0.9722, allocations: 5.25 kB / 0.8749 GB, free: 232.9 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.764e-06/0.9722, allocations: 2.625 kB / 0.8749 GB, free: 232.9 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007567/0.973, allocations: 249.4 kB / 0.8752 GB, free: 232.9 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008809/0.9739, allocations: 202.5 kB / 0.8754 GB, free: 232.9 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004859/0.9787, allocations: 5.234 MB / 0.8805 GB, free: 228.3 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006209/0.9793, allocations: 85.77 kB / 0.8806 GB, free: 228.2 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.553e-05/0.9794, allocations: 50.62 kB / 0.8806 GB, free: 228.2 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (82): * Single equations (assignments): 79 * Array equations: 0 * Algorithm blocks: 0 * 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): 3 systems {(3,1,88.9%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003311/0.9798, allocations: 230 kB / 0.8808 GB, free: 228.1 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000158/0.9799, allocations: 114.8 kB / 0.881 GB, free: 228 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003931/0.9838, allocations: 1.82 MB / 0.8827 GB, free: 227.5 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.082e-05/0.9839, allocations: 9.562 kB / 0.8827 GB, free: 227.5 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.953e-06/0.9839, allocations: 2.25 kB / 0.8827 GB, free: 227.5 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.339e-05/0.9839, allocations: 4.547 kB / 0.8827 GB, free: 227.5 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005678/0.9896, allocations: 2.476 MB / 0.8852 GB, free: 226.3 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.133e-06/0.9896, allocations: 2.719 kB / 0.8852 GB, free: 226.3 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009942/0.9906, allocations: 195.3 kB / 0.8853 GB, free: 226.3 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007206/0.9913, allocations: 256.5 kB / 0.8856 GB, free: 226.2 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.452e-05/0.9914, allocations: 34.05 kB / 0.8856 GB, free: 226.2 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004655/0.996, allocations: 5.239 MB / 0.8907 GB, free: 221.7 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.024e-06/0.996, allocations: 4.969 kB / 0.8907 GB, free: 221.7 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003641/0.9997, allocations: 1.72 MB / 0.8924 GB, free: 220.9 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002956/0.9999, allocations: 261.1 kB / 0.8927 GB, free: 220.7 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001147/1, allocations: 23.16 kB / 0.8927 GB, free: 220.7 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000527/1.001, allocations: 45.53 kB / 0.8927 GB, free: 220.7 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001299/1.001, allocations: 67.23 kB / 0.8928 GB, free: 220.7 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.796e-05/1.001, allocations: 52.45 kB / 0.8929 GB, free: 220.7 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.0006149/1.001, allocations: 0.5601 MB / 0.8934 GB, free: 220.5 MB / 0.6856 GB Notification: Performance of sort global known variables: time 8e-08/1.001, allocations: 0 / 0.8934 GB, free: 220.5 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.001192/1.003, allocations: 480.9 kB / 0.8939 GB, free: 220.4 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 6 (counterFlowNTU.h_out_A,counterFlowNTU.h_out_B,mCV.inlet.m_flow,mCV.dp_int,mCV1.inlet.m_flow,mCV1.dp_int) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (76): * Single equations (assignments): 73 * Array equations: 0 * Algorithm blocks: 0 * 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): 3 systems {(1,4,100.0%), (1,4,100.0%), (3,1,88.9%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004375/1.007, allocations: 2.743 MB / 0.8965 GB, free: 219 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.002338/1.009, allocations: 1.214 MB / 0.8977 GB, free: 218.4 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 3.086e-06/1.009, allocations: 0 / 0.8977 GB, free: 218.4 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.001437/1.011, allocations: 0.8711 MB / 0.8986 GB, free: 217.9 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001117/1.012, allocations: 268.5 kB / 0.8988 GB, free: 217.8 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01335/1.025, allocations: 8.625 MB / 0.9073 GB, free: 212.8 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004391/1.026, allocations: 1.079 MB / 0.9083 GB, free: 211.9 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.001177/1.027, allocations: 0.6311 MB / 0.9089 GB, free: 211.6 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006092/1.027, allocations: 0.5198 MB / 0.9094 GB, free: 211.2 MB / 0.6856 GB Notification: Performance of SimCode: time 6.91e-07/1.027, allocations: 1.094 kB / 0.9094 GB, free: 211.2 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06118/1.089, allocations: 30.93 MB / 0.9396 GB, free: 183.6 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.42/12.5, allocations: 13.09 kB / 0.9397 GB, free: 183.6 MB / 0.6856 GB " [Timeout remaining time 647] (rm -f ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.pipe ; mkfifo ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.pipe ; head -c 1048576 < ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.pipe >> ../files/ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.sim & python3 -m fmpy simulate --output-file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv --start-time 0 --stop-time 100 --timeout 1200 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.1 ThermofluidStream_dev_ThermofluidStream_HeatExchangers_Tests_CounterFlowNTU.fmu > ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.pipe 2>&1) [Timeout 1260.0] diffSimulationResults("ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv","/mnt/ReferenceFiles/ThermofluidStream-main-regression/ReferenceData/ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_ref.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable Time in file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv. Warning: Get data of variable Time from file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv failed! Error: Could not read variable sourceA.outlet.m_flow in file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv. Warning: Get data of variable sourceA.outlet.m_flow from file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv failed! Error: Could not read variable sourceB.outlet.m_flow in file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv. Warning: Get data of variable sourceB.outlet.m_flow from file ThermofluidStream_dev_ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 15.62935856000695]