Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(ModelicaTest.Fluid.TestComponents.Vessels.TestVolume,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Vessels_TestVolume",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.TestComponents.Vessels.TestVolume,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Vessels_TestVolume",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 0.0007818/0.0007815, allocations: 88.19 kB / 15.7 MB, free: 460 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001015/0.001015, allocations: 173.2 kB / 16.58 MB, free: 6.84 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.318/1.318, allocations: 205.4 MB / 222.7 MB, free: 5.648 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3137/0.3137, allocations: 43.55 MB / 314.6 MB, free: 8.746 MB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0004843/0.0004844, allocations: 16 kB / 384 MB, free: 7.906 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1051/0.1056, allocations: 58.86 MB / 442.9 MB, free: 12.94 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Vessels.TestVolume): time 0.2154/0.321, allocations: 33.97 MB / 476.9 MB, free: 30.91 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.01446/0.3355, allocations: 15.68 MB / 492.5 MB, free: 19.78 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007808/0.3363, allocations: 25.22 kB / 492.6 MB, free: 19.77 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0009989/0.3373, allocations: 352.2 kB / 492.9 MB, free: 19.58 MB / 382.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:788:36-789:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:786:36-787:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:734:36-735:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:732:36-733:54:writable] Warning: 'each' used when modifying non-array element m_flow. Notification: Performance of NFTyping.typeBindings: time 0.008288/0.3456, allocations: 3.2 MB / 496.1 MB, free: 18.15 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.006411/0.3521, allocations: 2.449 MB / 498.6 MB, free: 16.89 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.002786/0.3549, allocations: 2.035 MB / 0.4889 GB, free: 16.1 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009407/0.3558, allocations: 459.1 kB / 0.4893 GB, free: 15.95 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001472/0.3573, allocations: 0.6601 MB / 0.4899 GB, free: 15.7 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008713/0.3582, allocations: 0.5451 MB / 0.4905 GB, free: 15.5 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 9.049e-05/0.3583, allocations: 36.03 kB / 0.4905 GB, free: 15.5 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01385/0.3722, allocations: 7.016 MB / 0.4974 GB, free: 13.88 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004579/0.3727, allocations: 201.7 kB / 0.4976 GB, free: 13.8 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003664/0.373, allocations: 169.9 kB / 0.4977 GB, free: 13.71 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007968/0.381, allocations: 3.413 MB / 0.501 GB, free: 12.57 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.494e-06/0.381, allocations: 0 / 0.501 GB, free: 12.57 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.645e-06/0.3811, allocations: 1.375 kB / 0.501 GB, free: 12.57 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.141e-05/0.3811, allocations: 0 / 0.501 GB, free: 12.57 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 151 * Number of variables: 151 Notification: Performance of Generate backend data structure: time 0.005011/0.3861, allocations: 1.479 MB / 0.5025 GB, free: 11.52 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.731e-05/0.3861, allocations: 14.2 kB / 0.5025 GB, free: 11.52 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001193/0.3863, allocations: 109.7 kB / 0.5026 GB, free: 11.43 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002596/0.3889, allocations: 379 kB / 0.503 GB, free: 11.28 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006761/0.3896, allocations: 0.5045 MB / 0.5035 GB, free: 10.84 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.299e-05/0.3897, allocations: 106.9 kB / 0.5036 GB, free: 10.76 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.131e-05/0.3898, allocations: 61.17 kB / 0.5036 GB, free: 10.74 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002215/0.392, allocations: 1.157 MB / 0.5048 GB, free: 10.02 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.711e-05/0.392, allocations: 3.953 kB / 0.5048 GB, free: 10.02 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.107e-05/0.3921, allocations: 28.36 kB / 0.5048 GB, free: 10 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.927e-05/0.3921, allocations: 39.86 kB / 0.5048 GB, free: 9.988 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002377/0.3945, allocations: 1.088 MB / 0.5059 GB, free: 9.477 MB / 382.1 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 0.00553/0.4001, allocations: 5.055 MB / 0.5108 GB, free: 5.09 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002392/0.4025, allocations: 0.9571 MB / 0.5118 GB, free: 4.621 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006479/0.4031, allocations: 391.3 kB / 0.5121 GB, free: 4.43 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.04369/0.4468, allocations: 24.42 MB / 0.536 GB, free: 13.64 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.608e-05/0.4469, allocations: 46.94 kB / 0.536 GB, free: 13.59 MB / 414.1 MB Notification: Performance of pre-optimization done (n=47): time 2.114e-06/0.4469, allocations: 0 / 0.536 GB, free: 13.59 MB / 414.1 MB Notification: Performance of matching and sorting (n=47): time 0.006333/0.4533, allocations: 2.075 MB / 0.538 GB, free: 11.46 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.878e-05/0.4534, allocations: 111.2 kB / 0.5382 GB, free: 11.33 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007178/0.4541, allocations: 0.5925 MB / 0.5387 GB, free: 10.73 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 5.343e-05/0.4541, allocations: 37.64 kB / 0.5388 GB, free: 10.68 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002138/0.4544, allocations: 323.6 kB / 0.5391 GB, free: 10.36 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001373/0.4545, allocations: 153.8 kB / 0.5392 GB, free: 10.21 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 3.896e-05/0.4546, allocations: 12 kB / 0.5392 GB, free: 10.2 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001596/0.4547, allocations: 370.8 kB / 0.5396 GB, free: 9.828 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006358/0.4554, allocations: 337.1 kB / 0.5399 GB, free: 9.5 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007463/0.4561, allocations: 498.2 kB / 0.5404 GB, free: 8.945 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006721/0.4568, allocations: 364.6 kB / 0.5407 GB, free: 8.59 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.99e-06/0.4568, allocations: 8 kB / 0.5407 GB, free: 8.582 MB / 414.1 MB Notification: Performance of matching and sorting (n=72) (initialization): time 0.002048/0.4589, allocations: 1.071 MB / 0.5418 GB, free: 7.496 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.027e-05/0.4589, allocations: 8 kB / 0.5418 GB, free: 7.488 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.718e-06/0.4589, allocations: 8.422 kB / 0.5418 GB, free: 7.48 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00107/0.46, allocations: 437.3 kB / 0.5422 GB, free: 7.047 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004156/0.4604, allocations: 115.9 kB / 0.5423 GB, free: 6.934 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001679/0.4621, allocations: 1.647 MB / 0.5439 GB, free: 5.234 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006563/0.4628, allocations: 119.2 kB / 0.5441 GB, free: 5.117 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.69e-05/0.4629, allocations: 31.98 kB / 0.5441 GB, free: 5.086 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 9 (Volume.heatTransfer.states[1].phase,Volume.inFlow[1],Volume.inFlow[2],FlowSource.medium.phase,Sink.medium.phase,Volume.regularFlow[2],Volume.regularFlow[1],Valve.state_b.phase,Valve.state_a.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (58): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {2 1,3 10} Notification: Performance of prepare postOptimizeDAE: time 0.0003245/0.4632, allocations: 229.7 kB / 0.5443 GB, free: 4.852 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001122/0.4633, allocations: 63.25 kB / 0.5444 GB, free: 4.789 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004029/0.4673, allocations: 3.314 MB / 0.5476 GB, free: 1.469 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.116e-05/0.4674, allocations: 39.94 kB / 0.5476 GB, free: 1.43 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.063e-06/0.4674, allocations: 3.953 kB / 0.5476 GB, free: 1.426 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.017e-06/0.4674, allocations: 3.984 kB / 0.5476 GB, free: 1.422 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001609/0.469, allocations: 1.562 MB / 0.5492 GB, free: 15.8 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.917e-06/0.469, allocations: 0 / 0.5492 GB, free: 15.8 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003204/0.4694, allocations: 91.88 kB / 0.5493 GB, free: 15.71 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001422/0.4708, allocations: 0.8894 MB / 0.5501 GB, free: 14.82 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.843e-05/0.4709, allocations: 19.98 kB / 0.5501 GB, free: 14.8 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002318/0.4732, allocations: 2.299 MB / 0.5524 GB, free: 12.45 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.954e-06/0.4732, allocations: 0 / 0.5524 GB, free: 12.45 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002895/0.4761, allocations: 2.316 MB / 0.5547 GB, free: 10.11 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004568/0.4766, allocations: 358.6 kB / 0.555 GB, free: 9.738 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001003/0.4767, allocations: 8 kB / 0.555 GB, free: 9.73 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005044/0.4772, allocations: 67.94 kB / 0.5551 GB, free: 9.664 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001421/0.4774, allocations: 65.52 kB / 0.5551 GB, free: 9.602 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.983e-05/0.4774, allocations: 23.98 kB / 0.5551 GB, free: 9.578 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.0005853/0.478, allocations: 0.5107 MB / 0.5556 GB, free: 9.066 MB / 430.1 MB Notification: Performance of sort global known variables: time 1.382e-06/0.478, allocations: 0 / 0.5556 GB, free: 9.066 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.004409/0.4824, allocations: 1.167 MB / 0.5568 GB, free: 7.898 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 27 ($cse1.region3boundary,$cse2.region3boundary,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.region3boundary,$cse7.region3boundary,$cse8.phase,$cse8.region,$cse11.phase,$cse11.region,$cse13.phase,$cse13.region,$cse14.phase,$cse14.region,$cse16.phase,$cse16.region,$cse17.phase,$cse17.region,Volume.heatTransfer.states[1].phase,Volume.inFlow[1],Volume.inFlow[2],FlowSource.medium.phase,Sink.medium.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (43): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 9 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {2 1,3 14} Notification: Performance of Backend phase and start with SimCode phase: time 0.01015/0.4926, allocations: 3.828 MB / 0.5605 GB, free: 4.051 MB / 430.1 MB Notification: Performance of simCode: created initialization part: time 0.002337/0.495, allocations: 1.157 MB / 0.5617 GB, free: 2.891 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 4.348e-06/0.495, allocations: 0 / 0.5617 GB, free: 2.891 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001339/0.4963, allocations: 0.881 MB / 0.5625 GB, free: 2.012 MB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001764/0.4981, allocations: 362.5 kB / 0.5629 GB, free: 1.656 MB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01195/0.5101, allocations: 6.487 MB / 0.5692 GB, free: 11.05 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008495/0.511, allocations: 1.15 MB / 0.5703 GB, free: 9.875 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.0009384/0.5119, allocations: 357.9 kB / 0.5707 GB, free: 9.523 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004432/0.5124, allocations: 395.3 kB / 0.571 GB, free: 9.137 MB / 446.1 MB Notification: Performance of SimCode: time 1.343e-06/0.5124, allocations: 4 kB / 0.571 GB, free: 9.133 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2647/0.7771, allocations: 59.98 MB / 0.6296 GB, free: 149 MB / 494.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002275/0.7774, allocations: 257.9 kB / 0.6299 GB, free: 148.7 MB / 494.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 4.369/5.147, allocations: 0 / 0.6299 GB, free: 148.7 MB / 494.1 MB (rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume_res.mat --tempDir=temp_ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Vessels_TestVolume_fmu --startTime=0 --stopTime=5 --timeout=50 --tolerance=1e-06 ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Vessels_TestVolume.fmu > ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume.pipe 2>&1) Environment - environmentSimulation: TODO: How the !@#!# did the simulation report success but simulation result ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Vessels.TestVolume_res.mat does not exist to compare? outputFormat=mat