Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.conf.json 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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 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) 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) Running command: "" <> buildModelFMU(ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_TestPipesAndValves_BranchingPipes18",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_TestPipesAndValves_BranchingPipes18",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00138/0.00138, allocations: 169.1 kB / 8.742 MB, free: 344 kB / 5.871 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.564/1.564, allocations: 221.5 MB / 230.7 MB, free: 7.488 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001004/0.001004, allocations: 96.53 kB / 281.6 MB, free: 5.246 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.278/0.278, allocations: 44.15 MB / 376.5 MB, free: 3.02 MB / 266.7 MB Notification: Performance of FrontEnd - loaded program: time 3.993e-05/4.037e-05, allocations: 4.219 kB / 444.7 MB, free: 15.12 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1835/0.1836, allocations: 61.92 MB / 0.4948 GB, free: 1.141 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 8.99/9.174, allocations: 2.851 GB / 3.346 GB, free: 124.5 MB / 0.5105 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002012/9.174, allocations: 80.67 kB / 3.346 GB, free: 124.4 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 4.214/13.39, allocations: 1.016 GB / 4.362 GB, free: 33.96 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.393e-06/13.39, allocations: 0 / 4.362 GB, free: 33.96 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0002215/13.39, allocations: 74.86 kB / 4.362 GB, free: 33.95 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 575 * Number of variables: 575 Notification: Performance of Generate backend data structure: time 0.01687/13.41, allocations: 4.249 MB / 4.366 GB, free: 32.12 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 4.592e-05/13.41, allocations: 15.77 kB / 4.366 GB, free: 32.12 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007236/13.41, allocations: 0.9411 MB / 4.367 GB, free: 31.96 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00623/13.42, allocations: 2.199 MB / 4.369 GB, free: 31.5 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003092/13.42, allocations: 99.86 kB / 4.37 GB, free: 31.5 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001088/13.42, allocations: 133.2 kB / 4.37 GB, free: 31.5 MB / 0.5573 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.004774/13.42, allocations: 2.806 MB / 4.372 GB, free: 31.48 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004556/13.43, allocations: 3.029 MB / 4.375 GB, free: 30.89 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.328e-05/13.43, allocations: 8.156 kB / 4.375 GB, free: 30.89 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002632/13.43, allocations: 10.41 kB / 4.375 GB, free: 30.89 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001966/13.43, allocations: 171.7 kB / 4.376 GB, free: 30.88 MB / 0.5573 GB Warning: The model contains alias variables with conflicting start and/or 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 0.1123/13.54, allocations: 63.66 MB / 4.438 GB, free: 23.57 MB / 0.5886 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004279/13.55, allocations: 2.354 MB / 4.44 GB, free: 22.95 MB / 0.5886 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001882/13.55, allocations: 1.203 MB / 4.441 GB, free: 22.94 MB / 0.5886 GB Notification: Performance of preOpt evalFunc (simulation): time 0.03296/13.58, allocations: 16.8 MB / 4.458 GB, free: 12.05 MB / 0.5886 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003032/13.58, allocations: 1.393 MB / 4.459 GB, free: 11.87 MB / 0.5886 GB Notification: Performance of pre-optimization done (n=186): time 7.765e-06/13.58, allocations: 0 / 4.459 GB, free: 11.87 MB / 0.5886 GB Notification: Performance of matching and sorting (n=206): time 0.03982/13.62, allocations: 10.5 MB / 4.469 GB, free: 9.93 MB / 0.5886 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002061/13.62, allocations: 363.1 kB / 4.47 GB, free: 9.52 MB / 0.5886 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001893/13.63, allocations: 1.156 MB / 4.471 GB, free: 9.336 MB / 0.5886 GB Notification: Performance of collectPreVariables (initialization): time 0.0005655/13.63, allocations: 28.27 kB / 4.471 GB, free: 9.305 MB / 0.5886 GB Notification: Performance of collectInitialEqns (initialization): time 0.001026/13.63, allocations: 1.073 MB / 4.472 GB, free: 8.836 MB / 0.5886 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008554/13.63, allocations: 0.6595 MB / 4.472 GB, free: 8.398 MB / 0.5886 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001503/13.63, allocations: 3.906 kB / 4.472 GB, free: 8.398 MB / 0.5886 GB Notification: Performance of setup shared object (initialization): time 0.0002154/13.63, allocations: 397.5 kB / 4.473 GB, free: 8.094 MB / 0.5886 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001659/13.63, allocations: 1.114 MB / 4.474 GB, free: 8.086 MB / 0.5886 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001789/13.63, allocations: 1.611 MB / 4.475 GB, free: 7.574 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008888/13.64, allocations: 2.099 MB / 4.478 GB, free: 7.52 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.017e-05/13.64, allocations: 7.469 kB / 4.478 GB, free: 7.516 MB / 0.5886 GB Notification: Performance of matching and sorting (n=303) (initialization): time 0.01365/13.66, allocations: 4.067 MB / 4.482 GB, free: 7.262 MB / 0.5886 GB Notification: Performance of prepare postOptimizeDAE: time 0.001998/13.66, allocations: 5.063 MB / 4.486 GB, free: 18.08 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.254e-05/13.66, allocations: 11.19 kB / 4.486 GB, free: 18.08 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000871/13.66, allocations: 320.1 kB / 4.487 GB, free: 18.04 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002908/13.66, allocations: 0.5963 MB / 4.487 GB, free: 18.03 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002741/13.66, allocations: 3.142 MB / 4.49 GB, free: 15.43 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004719/13.67, allocations: 337 kB / 4.491 GB, free: 15.38 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009295/13.67, allocations: 120.5 kB / 4.491 GB, free: 15.38 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 2.047e-05/13.67, allocations: 4.344 kB / 4.491 GB, free: 15.38 MB / 0.6042 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01177/13.68, allocations: 3.584 MB / 4.494 GB, free: 15.26 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.171e-05/13.68, allocations: 12.38 kB / 4.494 GB, free: 15.26 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007522/13.68, allocations: 318.3 kB / 4.495 GB, free: 15.21 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002477/13.69, allocations: 0.5866 MB / 4.495 GB, free: 15.21 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002165/13.69, allocations: 3.141 MB / 4.498 GB, free: 12.61 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00347/13.69, allocations: 299.5 kB / 4.499 GB, free: 12.57 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004927/13.69, allocations: 121.3 kB / 4.499 GB, free: 12.57 MB / 0.6042 GB Warning: Iteration variables with default zero start attribute in torn nonlinear equation system: $DER.junctionVolume.medium.u:DUMMY_DER(fixed = false ) "Specific internal energy of medium" type: Real junctionVolume.mb_flow:VARIABLE(unit = "kg/s" ) "Mass flows across boundaries" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 56 * Number of states: 0 () * Number of discrete variables: 31 (valve2.state_b.phase,valve2.state_a.phase,valve1.state_b.phase,valve1.state_a.phase,$whenCondition1,$whenCondition2,pipe1.statesFM[2].phase,pipe2.statesFM[2].phase,pipe3.statesFM[2].phase,valveOpening1.a,valveOpening1.b,valveOpening1.last,$PRE.valveOpening1.nextEvent,valveOpening1.nextEvent,valveOpening1.nextEventScaled,valveOpening2.a,valveOpening2.b,valveOpening2.last,$PRE.valveOpening2.nextEvent,valveOpening2.nextEvent,valveOpening2.nextEventScaled,junctionIdeal.medium.phase,junctionVolume.medium.phase,source.medium.phase,sink.medium.phase,pipe3.state_a.phase,pipe3.state_b.phase,pipe2.state_a.phase,pipe2.state_b.phase,pipe1.state_b.phase,pipe1.state_a.phase) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (283): * Single equations (assignments): 276 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 5 {1 1,1 1,1 1,2 5,1 1} Notification: Performance of prepare postOptimizeDAE: time 0.0008732/13.69, allocations: 256.1 kB / 4.499 GB, free: 12.38 MB / 0.6042 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 0.0123/13.7, allocations: 3.496 MB / 4.502 GB, free: 11.94 MB / 0.6042 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006447/13.71, allocations: 212.9 kB / 4.503 GB, free: 11.73 MB / 0.6042 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01726/13.72, allocations: 8.112 MB / 4.511 GB, free: 7.168 MB / 0.6042 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.366e-05/13.72, allocations: 84.05 kB / 4.511 GB, free: 7.137 MB / 0.6042 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.102e-05/13.72, allocations: 4 kB / 4.511 GB, free: 7.133 MB / 0.6042 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01549/13.74, allocations: 7.02 MB / 4.517 GB, free: 2.93 MB / 0.6042 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4615/14.2, allocations: 12.68 MB / 4.53 GB, free: 79.49 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.034e-05/14.2, allocations: 9.156 kB / 4.53 GB, free: 79.49 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001778/14.2, allocations: 458.9 kB / 4.53 GB, free: 79.49 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001123/14.2, allocations: 433.1 kB / 4.531 GB, free: 79.45 MB / 0.6042 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002575/14.2, allocations: 51.84 kB / 4.531 GB, free: 79.45 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001824/14.2, allocations: 3.372 MB / 4.534 GB, free: 76.88 MB / 0.6042 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.126e-05/14.2, allocations: 8.281 kB / 4.534 GB, free: 76.88 MB / 0.6042 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01773/14.22, allocations: 8.495 MB / 4.542 GB, free: 75.58 MB / 0.6042 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001929/14.22, allocations: 0.8059 MB / 4.543 GB, free: 75.48 MB / 0.6042 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005082/14.23, allocations: 26.69 kB / 4.543 GB, free: 75.48 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001963/14.23, allocations: 193.2 kB / 4.543 GB, free: 75.48 MB / 0.6042 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003635/14.23, allocations: 187.7 kB / 4.544 GB, free: 75.48 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002106/14.23, allocations: 96.3 kB / 4.544 GB, free: 75.48 MB / 0.6042 GB Notification: Performance of sorting global known variables: time 0.001983/14.23, allocations: 1.155 MB / 4.545 GB, free: 75.33 MB / 0.6042 GB Notification: Performance of sort global known variables: time 1.5e-07/14.23, allocations: 0 / 4.545 GB, free: 75.33 MB / 0.6042 GB Notification: Performance of remove unused functions: time 0.01168/14.24, allocations: 2.792 MB / 4.547 GB, free: 75.33 MB / 0.6042 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 27 * Number of states: 9 (pipe1.mediums[1].p,pipe1.mediums[1].h,pipe2.mediums[1].p,pipe2.mediums[1].h,pipe3.mediums[1].p,pipe3.mediums[1].h,junctionIdeal.medium.p,junctionIdeal.medium.h,junctionVolume.medium.h) * Number of discrete variables: 51 ($cse5.region3boundary,$cse6.region3boundary,$cse7.phase,$cse7.region,$cse17.phase,$cse17.region,$cse18.phase,$cse18.region,$cse22.phase,$cse22.region,$cse23.phase,$cse23.region,$cse29.phase,$cse29.region,$cse30.phase,$cse30.region,$cse34.phase,$cse34.region,$cse35.region3boundary,$cse36.region3boundary,$cse37.phase,$cse37.region,$cse39.region3boundary,$cse40.region3boundary,$cse41.phase,$cse41.region,$cse43.phase,$cse43.region,$cse44.region3boundary,$cse45.region3boundary,$cse46.phase,$cse46.region,$cse49.phase,$cse49.region,$whenCondition1,$whenCondition2,pipe1.statesFM[2].phase,pipe2.statesFM[2].phase,pipe3.statesFM[2].phase,valveOpening1.a,valveOpening1.b,valveOpening1.last,valveOpening1.nextEvent,valveOpening1.nextEventScaled,valveOpening2.a,valveOpening2.b,valveOpening2.last,valveOpening2.nextEvent,valveOpening2.nextEventScaled,junctionIdeal.medium.phase,junctionVolume.medium.phase) * Number of discrete states: 12 (valveOpening2.nextEvent,valveOpening2.last,valveOpening2.nextEventScaled,valveOpening2.b,valveOpening2.a,$whenCondition2,valveOpening1.nextEvent,valveOpening1.last,valveOpening1.nextEventScaled,valveOpening1.b,valveOpening1.a,$whenCondition1) * Top-level inputs: 0 Notification: Strong component statistics for simulation (230): * Single equations (assignments): 202 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 21 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 5 {1 1,1 1,2 4,1 1,1 1} Notification: Performance of Backend phase and start with SimCode phase: time 0.03081/14.27, allocations: 13.8 MB / 4.561 GB, free: 71.71 MB / 0.6042 GB Notification: Performance of simCode: created initialization part: time 0.01031/14.28, allocations: 5.36 MB / 4.566 GB, free: 71.4 MB / 0.6042 GB Notification: Performance of simCode: created event and clocks part: time 1.773e-05/14.28, allocations: 0 / 4.566 GB, free: 71.4 MB / 0.6042 GB Notification: Performance of simCode: created simulation system equations: time 0.004444/14.29, allocations: 2.702 MB / 4.569 GB, free: 71.26 MB / 0.6042 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006549/14.29, allocations: 1.004 MB / 4.57 GB, free: 71.24 MB / 0.6042 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02004/14.31, allocations: 7.57 MB / 4.577 GB, free: 69.8 MB / 0.6042 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002579/14.32, allocations: 2.34 MB / 4.579 GB, free: 69.03 MB / 0.6042 GB Notification: Performance of simCode: alias equations: time 0.006758/14.32, allocations: 2.751 MB / 4.582 GB, free: 69 MB / 0.6042 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002673/14.33, allocations: 1.365 MB / 4.583 GB, free: 68.99 MB / 0.6042 GB Notification: Performance of SimCode: time 9.52e-07/14.33, allocations: 2.062 kB / 4.583 GB, free: 68.99 MB / 0.6042 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1877/14.51, allocations: 111.7 MB / 4.693 GB, free: 48.8 MB / 0.6042 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001615/14.51, allocations: 186.8 kB / 4.693 GB, free: 48.61 MB / 0.6042 GB Notification: Performance of buildModelFMU: Generate platform static: time 6.927/21.44, allocations: 0 / 4.693 GB, free: 48.61 MB / 0.6042 GB (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_Fluid_TestPipesAndValves_BranchingPipes18_fmu --startTime=0 --stopTime=5 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_Fluid_TestPipesAndValves_BranchingPipes18.fmu > ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes18_res.mat does not exist to compare? outputFormat=mat