Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.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/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/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: translateModel(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|hex.sta_a1.T|hex.sta_b1.T|hex.sta_a2.T|hex.sta_b2.T|hex.Q1_flow|hex.Q2_flow|hex.m1_flow|hex.m2_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness") translateModel(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|hex.sta_a1.T|hex.sta_b1.T|hex.sta_a2.T|hex.sta_b2.T|hex.Q1_flow|hex.Q2_flow|hex.m1_flow|hex.m2_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001263/0.001263, allocations: 108.4 kB / 16.41 MB, free: 6.438 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001237/0.001237, allocations: 189.6 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.69/2.69, allocations: 461.9 MB / 0.7354 GB, free: 11.09 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.00127/0.00127, allocations: 71.83 kB / 1.055 GB, free: 7.664 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.062/1.063, allocations: 157.4 MB / 1.208 GB, free: 13.6 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness): time 0.2419/1.305, allocations: 200 MB / 1.404 GB, free: 4.875 MB / 1.123 GB Notification: Performance of NFInst.instExpressions: time 0.0144/1.32, allocations: 7.659 MB / 1.411 GB, free: 13.2 MB / 1.139 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002337/1.322, allocations: 43.69 kB / 1.411 GB, free: 13.15 MB / 1.139 GB Notification: Performance of NFTyping.typeComponents: time 0.002644/1.325, allocations: 0.6949 MB / 1.412 GB, free: 12.45 MB / 1.139 GB Notification: Performance of NFTyping.typeBindings: time 0.007197/1.332, allocations: 2.022 MB / 1.414 GB, free: 10.42 MB / 1.139 GB Notification: Performance of NFTyping.typeClassSections: time 0.003748/1.336, allocations: 1.128 MB / 1.415 GB, free: 9.305 MB / 1.139 GB Notification: Performance of NFFlatten.flatten: time 0.005606/1.341, allocations: 2.685 MB / 1.418 GB, free: 6.613 MB / 1.139 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00233/1.344, allocations: 0.9763 MB / 1.419 GB, free: 5.621 MB / 1.139 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005499/1.349, allocations: 1.591 MB / 1.42 GB, free: 4.027 MB / 1.139 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002603/1.352, allocations: 0.8253 MB / 1.421 GB, free: 3.203 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.000553/1.352, allocations: 104 kB / 1.421 GB, free: 3.102 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005384/1.358, allocations: 1.836 MB / 1.423 GB, free: 1.262 MB / 1.139 GB Notification: Performance of NFScalarize.scalarize: time 0.0008192/1.359, allocations: 334.9 kB / 1.423 GB, free: 0.9336 MB / 1.139 GB Notification: Performance of NFVerifyModel.verify: time 0.00163/1.36, allocations: 0.6025 MB / 1.424 GB, free: 336 kB / 1.139 GB Notification: Performance of NFConvertDAE.convert: time 0.005402/1.366, allocations: 2.144 MB / 1.426 GB, free: 14.18 MB / 1.154 GB Notification: Performance of FrontEnd - DAE generated: time 8.425e-06/1.366, allocations: 3.938 kB / 1.426 GB, free: 14.18 MB / 1.154 GB Notification: Performance of FrontEnd: time 2.565e-06/1.366, allocations: 0 / 1.426 GB, free: 14.18 MB / 1.154 GB Notification: Performance of Transformations before backend: time 6.894e-05/1.366, allocations: 0 / 1.426 GB, free: 14.18 MB / 1.154 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 177 * Number of variables: 177 Notification: Performance of Generate backend data structure: time 0.005391/1.371, allocations: 1.673 MB / 1.427 GB, free: 12.44 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 4.546e-05/1.371, allocations: 8.031 kB / 1.427 GB, free: 12.43 MB / 1.154 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002592/1.374, allocations: 438.1 kB / 1.428 GB, free: 12 MB / 1.154 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00235/1.376, allocations: 0.9526 MB / 1.429 GB, free: 11.01 MB / 1.154 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.04e-05/1.376, allocations: 58 kB / 1.429 GB, free: 10.95 MB / 1.154 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001812/1.376, allocations: 68 kB / 1.429 GB, free: 10.89 MB / 1.154 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002778/1.379, allocations: 1.083 MB / 1.43 GB, free: 9.781 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.363e-05/1.379, allocations: 4 kB / 1.43 GB, free: 9.777 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001131/1.379, allocations: 24 kB / 1.43 GB, free: 9.754 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.554e-05/1.379, allocations: 34 kB / 1.43 GB, free: 9.723 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003341/1.383, allocations: 1.175 MB / 1.431 GB, free: 8.547 MB / 1.154 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 0.007706/1.391, allocations: 4.11 MB / 1.435 GB, free: 4.148 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002587/1.393, allocations: 0.8366 MB / 1.436 GB, free: 3.301 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001343/1.395, allocations: 494.2 kB / 1.437 GB, free: 2.816 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008939/1.395, allocations: 0.637 MB / 1.437 GB, free: 2.051 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001633/1.397, allocations: 0.5758 MB / 1.438 GB, free: 1.457 MB / 1.154 GB Notification: Performance of pre-optimization done (n=57): time 2.786e-06/1.397, allocations: 3.938 kB / 1.438 GB, free: 1.453 MB / 1.154 GB Notification: Performance of matching and sorting (n=57): time 0.004446/1.402, allocations: 1.38 MB / 1.439 GB, free: 68 kB / 1.154 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.9e-05/1.402, allocations: 85.72 kB / 1.439 GB, free: 15.96 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001368/1.403, allocations: 0.8317 MB / 1.44 GB, free: 15.11 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.0001115/1.403, allocations: 41.7 kB / 1.44 GB, free: 15.06 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004171/1.404, allocations: 432.4 kB / 1.44 GB, free: 14.64 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002077/1.404, allocations: 193.2 kB / 1.441 GB, free: 14.45 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002542/1.404, allocations: 126 kB / 1.441 GB, free: 14.32 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001589/1.404, allocations: 333.9 kB / 1.441 GB, free: 13.98 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001243/1.405, allocations: 406.8 kB / 1.441 GB, free: 13.58 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001379/1.407, allocations: 0.5197 MB / 1.442 GB, free: 13.03 MB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002498/1.409, allocations: 0.8733 MB / 1.443 GB, free: 12.12 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.706e-06/1.409, allocations: 8 kB / 1.443 GB, free: 12.12 MB / 1.17 GB Notification: Performance of matching and sorting (n=67) (initialization): time 0.003119/1.413, allocations: 1.046 MB / 1.444 GB, free: 11.06 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 6.527e-05/1.413, allocations: 41.69 kB / 1.444 GB, free: 11.01 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.428e-06/1.413, allocations: 0 / 1.444 GB, free: 11.01 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.493e-05/1.413, allocations: 4 kB / 1.444 GB, free: 11.01 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001371/1.414, allocations: 227.8 kB / 1.444 GB, free: 10.79 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008912/1.415, allocations: 1.188 MB / 1.445 GB, free: 9.551 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001176/1.416, allocations: 139.4 kB / 1.445 GB, free: 9.414 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001031/1.416, allocations: 27.98 kB / 1.445 GB, free: 9.387 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001639/1.418, allocations: 0.5985 MB / 1.446 GB, free: 8.781 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001373/1.419, allocations: 0.5119 MB / 1.446 GB, free: 8.234 MB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002496/1.422, allocations: 0.8655 MB / 1.447 GB, free: 7.34 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.047e-06/1.422, allocations: 0 / 1.447 GB, free: 7.34 MB / 1.17 GB Notification: Performance of matching and sorting (n=67) (initialization_lambda0): time 0.003158/1.425, allocations: 1.042 MB / 1.448 GB, free: 6.285 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 4.118e-05/1.425, allocations: 33.69 kB / 1.448 GB, free: 6.246 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.441e-06/1.425, allocations: 4 kB / 1.448 GB, free: 6.242 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.129e-05/1.425, allocations: 4 kB / 1.448 GB, free: 6.238 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001013/1.426, allocations: 191.9 kB / 1.449 GB, free: 6.051 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.262e-05/1.426, allocations: 4 kB / 1.449 GB, free: 6.047 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001213/1.427, allocations: 131.5 kB / 1.449 GB, free: 5.918 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.39e-05/1.427, allocations: 23.98 kB / 1.449 GB, free: 5.895 MB / 1.17 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 5 (trapezoid.count,$PRE.trapezoid.count,trapezoid.T_start,$PRE.trapezoid.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (66): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003612/1.428, allocations: 226.6 kB / 1.449 GB, free: 5.668 MB / 1.17 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003511/1.428, allocations: 98.78 kB / 1.449 GB, free: 5.57 MB / 1.17 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00329/1.431, allocations: 1.102 MB / 1.45 GB, free: 4.461 MB / 1.17 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.405e-05/1.431, allocations: 8 kB / 1.45 GB, free: 4.453 MB / 1.17 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.145e-06/1.431, allocations: 0 / 1.45 GB, free: 4.453 MB / 1.17 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.204e-05/1.431, allocations: 7.984 kB / 1.45 GB, free: 4.445 MB / 1.17 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005315/1.437, allocations: 2.298 MB / 1.452 GB, free: 2.059 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.668e-06/1.437, allocations: 4.344 kB / 1.452 GB, free: 2.055 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001056/1.438, allocations: 203.6 kB / 1.453 GB, free: 1.855 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.34e-05/1.438, allocations: 4 kB / 1.453 GB, free: 1.852 MB / 1.17 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.512e-05/1.438, allocations: 23.98 kB / 1.453 GB, free: 1.828 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006846/1.439, allocations: 1.195 MB / 1.454 GB, free: 0.5859 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.49e-06/1.439, allocations: 8 kB / 1.454 GB, free: 0.5781 MB / 1.17 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003056/1.442, allocations: 1.188 MB / 1.455 GB, free: 15.34 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006113/1.442, allocations: 283.6 kB / 1.455 GB, free: 15.04 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002952/1.443, allocations: 19.98 kB / 1.455 GB, free: 15.02 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001167/1.444, allocations: 107.8 kB / 1.455 GB, free: 14.92 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00016/1.444, allocations: 56.31 kB / 1.455 GB, free: 14.86 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.581e-05/1.444, allocations: 35.97 kB / 1.455 GB, free: 14.83 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.0009578/1.445, allocations: 0.5821 MB / 1.456 GB, free: 14.23 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.41e-07/1.445, allocations: 96 / 1.456 GB, free: 14.23 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.001559/1.447, allocations: 495 kB / 1.456 GB, free: 13.75 MB / 1.186 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,trapezoid.T_start,trapezoid.count) * Number of discrete states: 1 (trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (63): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008059/1.447, allocations: 289.1 kB / 1.457 GB, free: 13.46 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.004799/1.452, allocations: 1.59 MB / 1.458 GB, free: 11.85 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 1.061e-05/1.452, allocations: 4 kB / 1.458 GB, free: 11.84 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.001604/1.454, allocations: 0.5417 MB / 1.459 GB, free: 11.29 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00247/1.456, allocations: 443.4 kB / 1.459 GB, free: 10.87 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004678/1.461, allocations: 1.921 MB / 1.461 GB, free: 8.875 MB / 1.186 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006742/1.462, allocations: 1.039 MB / 1.462 GB, free: 7.805 MB / 1.186 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004087/1.462, allocations: 91.39 kB / 1.462 GB, free: 7.715 MB / 1.186 GB Notification: Performance of SimCode: time 9.01e-07/1.462, allocations: 0 / 1.462 GB, free: 7.715 MB / 1.186 GB Notification: Performance of Templates: time 0.0351/1.497, allocations: 25.19 MB / 1.487 GB, free: 14.63 MB / 1.217 GB make -j1 -f Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.makefile (rm -f Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.sim & ./Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_HeatExchangers_Validation_ConstantEffectiveness.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) "" Variables in the reference:time,hex.sta_a1.T,hex.sta_b1.T,hex.sta_a2.T,hex.sta_b2.T,hex.Q1_flow,hex.Q2_flow,hex.m1_flow,hex.m2_flow Variables in the result:hex.Q1_flow,hex.Q2_flow,hex.m1_flow,hex.m2_flow,hex.sta_a1.T,hex.sta_a2.T,hex.sta_b1.T,hex.sta_b2.T,time