Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.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.Machines.TestWaterPumpRecirculation,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Machines_TestWaterPumpRecirculation",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Machines_TestWaterPumpRecirculation",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 0.0009778/0.0009777, allocations: 96.52 kB / 15.68 MB, free: 488 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001135/0.001135, allocations: 175.2 kB / 16.56 MB, free: 6.379 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.712/1.712, allocations: 205.4 MB / 222.7 MB, free: 5.664 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3782/0.3782, allocations: 43.54 MB / 314.5 MB, free: 8.984 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 0.0007495/0.0007496, allocations: 20 kB / 384 MB, free: 8.16 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1564/0.1572, allocations: 58.85 MB / 442.8 MB, free: 13.2 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation): time 0.2944/0.4516, allocations: 18.26 MB / 461.1 MB, free: 37.21 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.01099/0.4627, allocations: 7.459 MB / 468.6 MB, free: 36.73 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001154/0.4638, allocations: 34.25 kB / 468.6 MB, free: 36.71 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001178/0.465, allocations: 375.4 kB / 469 MB, free: 36.58 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00306/0.4681, allocations: 0.9543 MB / 469.9 MB, free: 36.27 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005669/0.4738, allocations: 1.878 MB / 471.8 MB, free: 35.64 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.001974/0.4758, allocations: 1.057 MB / 472.9 MB, free: 35.35 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007412/0.4765, allocations: 0.5262 MB / 473.4 MB, free: 35.19 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001024/0.4776, allocations: 0.6048 MB / 474 MB, free: 34.96 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006373/0.4782, allocations: 0.4903 MB / 474.5 MB, free: 34.79 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 9.217e-05/0.4783, allocations: 41.41 kB / 474.5 MB, free: 34.79 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001464/0.4798, allocations: 0.5924 MB / 475.1 MB, free: 34.68 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00018/0.48, allocations: 190.4 kB / 475.3 MB, free: 34.59 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001724/0.4802, allocations: 169.7 kB / 475.5 MB, free: 34.5 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001026/0.4812, allocations: 1.023 MB / 476.5 MB, free: 34.32 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.178e-06/0.4812, allocations: 0 / 476.5 MB, free: 34.32 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.615e-06/0.4812, allocations: 0 / 476.5 MB, free: 34.32 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.124e-05/0.4812, allocations: 0 / 476.5 MB, free: 34.32 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: 131 * Number of variables: 131 Notification: Performance of Generate backend data structure: time 0.002161/0.4834, allocations: 1.076 MB / 477.6 MB, free: 33.61 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.706e-05/0.4835, allocations: 6.5 kB / 477.6 MB, free: 33.61 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001203/0.4836, allocations: 96.91 kB / 477.7 MB, free: 33.54 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003365/0.4839, allocations: 98.12 kB / 477.8 MB, free: 33.49 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008225/0.4848, allocations: 0.5505 MB / 478.3 MB, free: 33.12 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.511e-05/0.4848, allocations: 40.12 kB / 478.3 MB, free: 33.11 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.054e-05/0.4849, allocations: 49 kB / 478.4 MB, free: 33.09 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00124/0.4861, allocations: 0.8212 MB / 479.2 MB, free: 32.71 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.913e-05/0.4862, allocations: 3.328 kB / 479.2 MB, free: 32.71 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.992e-05/0.4863, allocations: 30.02 kB / 479.2 MB, free: 32.69 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.038e-05/0.4863, allocations: 21 kB / 479.3 MB, free: 32.69 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001409/0.4877, allocations: 0.7926 MB / 480.1 MB, free: 32.44 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 0.003935/0.4917, allocations: 3.632 MB / 483.7 MB, free: 29.75 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001038/0.4927, allocations: 0.4886 MB / 484.2 MB, free: 29.58 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002971/0.493, allocations: 0.5712 MB / 484.8 MB, free: 28.92 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.439e-05/0.4931, allocations: 40.66 kB / 484.8 MB, free: 28.88 MB / 382.1 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006151/0.4937, allocations: 125.7 kB / 484.9 MB, free: 28.83 MB / 382.1 MB Notification: Performance of pre-optimization done (n=45): time 2.475e-06/0.4937, allocations: 4 kB / 484.9 MB, free: 28.82 MB / 382.1 MB Notification: Performance of matching and sorting (n=69): time 0.05181/0.5455, allocations: 8.624 MB / 493.5 MB, free: 26.5 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.19e-05/0.5456, allocations: 110.8 kB / 493.7 MB, free: 26.38 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000921/0.5465, allocations: 0.6271 MB / 494.3 MB, free: 26.1 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001179/0.5467, allocations: 40.83 kB / 494.3 MB, free: 26.06 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002271/0.5469, allocations: 358.6 kB / 494.7 MB, free: 25.77 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002195/0.5471, allocations: 243.3 kB / 494.9 MB, free: 25.59 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.695e-05/0.5472, allocations: 15.12 kB / 494.9 MB, free: 25.57 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0001306/0.5473, allocations: 387.8 kB / 495.3 MB, free: 25.23 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001529/0.5489, allocations: 0.5431 MB / 495.8 MB, free: 25.06 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001596/0.5505, allocations: 0.7305 MB / 496.6 MB, free: 24.67 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001653/0.5521, allocations: 0.6002 MB / 497.2 MB, free: 24.45 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.859e-06/0.5522, allocations: 1.375 kB / 497.2 MB, free: 24.45 MB / 382.1 MB Notification: Performance of matching and sorting (n=99) (initialization): time 0.004476/0.5566, allocations: 1.627 MB / 498.8 MB, free: 23.88 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0003621/0.557, allocations: 2.014 MB / 0.4891 GB, free: 21.73 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.398e-05/0.557, allocations: 5.734 kB / 0.4891 GB, free: 21.73 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01149/0.5685, allocations: 1.661 MB / 0.4907 GB, free: 21.56 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001492/0.5701, allocations: 271.5 kB / 0.491 GB, free: 21.54 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002205/0.5723, allocations: 1.674 MB / 0.4926 GB, free: 20.25 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001729/0.574, allocations: 135.8 kB / 0.4927 GB, free: 20.23 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001694/0.5742, allocations: 67.31 kB / 0.4928 GB, free: 20.22 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.52e-05/0.5743, allocations: 8.281 kB / 0.4928 GB, free: 20.21 MB / 382.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.004903/0.5792, allocations: 1.521 MB / 0.4943 GB, free: 19.72 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.24e-05/0.5792, allocations: 13.16 kB / 0.4943 GB, free: 19.71 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002689/0.5819, allocations: 0.4894 MB / 0.4948 GB, free: 19.62 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001719/0.5837, allocations: 284.2 kB / 0.495 GB, free: 19.6 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003999/0.5877, allocations: 3.029 MB / 0.498 GB, free: 16.95 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001965/0.5897, allocations: 125.8 kB / 0.4981 GB, free: 16.9 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001985/0.5899, allocations: 68.05 kB / 0.4982 GB, free: 16.87 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 23 * 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 (73): * Single equations (assignments): 71 * 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 {1 10,3 14} Notification: Performance of prepare postOptimizeDAE: time 0.0007955/0.5907, allocations: 293.5 kB / 0.4985 GB, free: 16.61 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002862/0.591, allocations: 84.44 kB / 0.4986 GB, free: 16.57 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005134/0.5962, allocations: 1.925 MB / 0.5004 GB, free: 15.49 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.326e-05/0.5962, allocations: 12.72 kB / 0.5004 GB, free: 15.49 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.727e-06/0.5962, allocations: 1 kB / 0.5004 GB, free: 15.49 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.245e-05/0.5962, allocations: 3.984 kB / 0.5004 GB, free: 15.48 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007567/0.6038, allocations: 3.038 MB / 0.5034 GB, free: 13.56 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.881e-06/0.6038, allocations: 4 kB / 0.5034 GB, free: 13.56 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001007/0.6049, allocations: 197.7 kB / 0.5036 GB, free: 13.5 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.007794/0.6127, allocations: 1.406 MB / 0.505 GB, free: 12.91 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001877/0.6129, allocations: 32.2 kB / 0.505 GB, free: 12.89 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001616/0.6145, allocations: 1.621 MB / 0.5066 GB, free: 11.54 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.844e-06/0.6145, allocations: 0 / 0.5066 GB, free: 11.54 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006091/0.6206, allocations: 2.348 MB / 0.5089 GB, free: 10.29 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0006826/0.6213, allocations: 284.2 kB / 0.5092 GB, free: 10.04 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001419/0.6215, allocations: 16.94 kB / 0.5092 GB, free: 10.02 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001095/0.6226, allocations: 138.6 kB / 0.5093 GB, free: 9.957 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001386/0.6227, allocations: 60.19 kB / 0.5094 GB, free: 9.926 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.547e-05/0.6228, allocations: 45.33 kB / 0.5094 GB, free: 9.906 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.00048/0.6233, allocations: 440.8 kB / 0.5098 GB, free: 9.652 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.4e-07/0.6233, allocations: 0 / 0.5098 GB, free: 9.652 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001937/0.6253, allocations: 0.5996 MB / 0.5104 GB, free: 9.559 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (pump.medium.T) * 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 (62): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {1 6,3 24} Notification: Performance of Backend phase and start with SimCode phase: time 0.006531/0.6318, allocations: 3.193 MB / 0.5135 GB, free: 7.219 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.005617/0.6375, allocations: 2.252 MB / 0.5157 GB, free: 4.953 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 4.648e-06/0.6375, allocations: 0 / 0.5157 GB, free: 4.953 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001645/0.6391, allocations: 0.716 MB / 0.5164 GB, free: 4.238 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001849/0.641, allocations: 350.6 kB / 0.5168 GB, free: 3.895 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005044/0.6461, allocations: 6.009 MB / 0.5226 GB, free: 13.74 MB / 398.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005081/0.6466, allocations: 0.9963 MB / 0.5236 GB, free: 12.71 MB / 398.1 MB Notification: Performance of simCode: alias equations: time 0.001325/0.6479, allocations: 286.6 kB / 0.5239 GB, free: 12.43 MB / 398.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005633/0.6485, allocations: 339.2 kB / 0.5242 GB, free: 12.1 MB / 398.1 MB Notification: Performance of SimCode: time 6.91e-07/0.6485, allocations: 0 / 0.5242 GB, free: 12.1 MB / 398.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0652/0.7137, allocations: 36.69 MB / 0.56 GB, free: 7.402 MB / 430.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002186/0.714, allocations: 272.1 kB / 0.5603 GB, free: 7.051 MB / 430.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.756/3.47, allocations: 0 / 0.5603 GB, free: 7.051 MB / 430.1 MB (rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation_res.mat --tempDir=temp_ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Machines_TestWaterPumpRecirculation_fmu --startTime=0 --stopTime=10 --timeout=50 --tolerance=1e-06 ModelicaTest_3_2_3_ModelicaTest_Fluid_TestComponents_Machines_TestWaterPumpRecirculation.fmu > ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation.pipe 2>&1) Environment - environmentSimulation: TODO: How the !@#!# did the simulation report success but simulation result ModelicaTest_3.2.3_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpRecirculation_res.mat does not exist to compare? outputFormat=mat