Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.2_ModelicaTest.MultiBody.Parts.FreeBodies.conf.json Using package ModelicaTest with version 3.2.2 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo) Using package ModelicaServices with version 3.2.2 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.2+maint.om/package.mo) Using package Modelica with version 3.2.2 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.2+maint.om/package.mo) Using package Complex with version 3.2.2 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.2+maint.om/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.MultiBody.Parts.FreeBodies,fileNamePrefix="ModelicaTest_3_2_2_ModelicaTest_MultiBody_Parts_FreeBodies",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.2+maint.om/package.mo): time 0.01047/0.01047, allocations: 176.6 kB / 15.12 MB, free: 5.977 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.2+maint.om/package.mo): time 2.037/2.037, allocations: 194.5 MB / 210.3 MB, free: 7.621 MB / 170.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.2+maint.om/package.mo): time 0.00202/0.00202, allocations: 120.6 kB / 255.6 MB, free: 10.23 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo): time 0.2555/0.2555, allocations: 40.01 MB / 340.8 MB, free: 11.41 MB / 250.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0004862/0.0004862, allocations: 14.59 kB / 406.3 MB, free: 51.83 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1033/0.1038, allocations: 54.87 MB / 461.1 MB, free: 3.223 MB / 298.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.5164/0.6203, allocations: 99.35 MB / 0.5474 GB, free: 21.71 MB / 378.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002777/0.6206, allocations: 76.36 kB / 0.5474 GB, free: 21.71 MB / 378.7 MB [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6721:35-6721:45:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6722:13-6722:23:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6743:35-6743:45:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6744:13-6744:23:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6765:35-6765:45:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6766:13-6766:23:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6793:35-6793:45:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6794:13-6794:23:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6805:35-6805:45:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. [/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/MultiBody.mo:6806:13-6806:23:writable] Warning: Non-array modification 'true' for array component, possibly due to missing 'each'. Notification: Performance of FrontEnd - DAE generated: time 0.5794/1.2, allocations: 142.5 MB / 0.6866 GB, free: 3.703 MB / 458.7 MB Notification: Performance of FrontEnd: time 2.916e-06/1.2, allocations: 0 / 0.6866 GB, free: 3.703 MB / 458.7 MB Notification: Performance of Transformations before backend: time 0.0006538/1.201, allocations: 156 kB / 0.6867 GB, free: 3.551 MB / 458.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2525 * Number of variables: 2525 Notification: Performance of Generate backend data structure: time 0.06966/1.271, allocations: 9.283 MB / 0.6958 GB, free: 10.18 MB / 474.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.954e-05/1.271, allocations: 8.031 kB / 0.6958 GB, free: 10.18 MB / 474.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.007262/1.278, allocations: 1.3 MB / 0.697 GB, free: 8.867 MB / 474.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.06408/1.342, allocations: 7.743 MB / 0.7046 GB, free: 1.102 MB / 474.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04408/1.386, allocations: 11 MB / 0.7153 GB, free: 6.023 MB / 490.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009429/1.387, allocations: 0.5615 MB / 0.7159 GB, free: 5.461 MB / 490.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004584/1.392, allocations: 0.7573 MB / 0.7166 GB, free: 4.703 MB / 490.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.43/1.822, allocations: 17.6 MB / 0.7338 GB, free: 75.23 MB / 490.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.00102/1.823, allocations: 105 kB / 0.7339 GB, free: 75.23 MB / 490.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004731/1.828, allocations: 362.5 kB / 0.7343 GB, free: 75.23 MB / 490.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004666/1.832, allocations: 1.599 MB / 0.7358 GB, free: 75.21 MB / 490.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04956/1.882, allocations: 14.3 MB / 0.7498 GB, free: 75.16 MB / 490.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1292/2.011, allocations: 79.04 MB / 0.827 GB, free: 43.55 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03547/2.047, allocations: 6.941 MB / 0.8338 GB, free: 41.41 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.04517/2.092, allocations: 14.69 MB / 0.8481 GB, free: 33.96 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.123e-05/2.092, allocations: 65.25 kB / 0.8482 GB, free: 33.9 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=259): time 9.468e-06/2.092, allocations: 3.391 kB / 0.8482 GB, free: 33.9 MB / 0.4948 GB Notification: Performance of matching and sorting (n=287): time 0.1288/2.221, allocations: 27.73 MB / 0.8752 GB, free: 21.59 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.008474/2.23, allocations: 6.3 MB / 0.8814 GB, free: 14.94 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0211/2.251, allocations: 5.853 MB / 0.8871 GB, free: 10.09 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 0.001101/2.252, allocations: 69.45 kB / 0.8872 GB, free: 10.02 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.008169/2.26, allocations: 5.275 MB / 0.8923 GB, free: 5.289 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 0.003226/2.263, allocations: 1.185 MB / 0.8935 GB, free: 4.246 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002388/2.266, allocations: 187.8 kB / 0.8937 GB, free: 4.066 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.001466/2.267, allocations: 0.7193 MB / 0.8944 GB, free: 3.457 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0165/2.284, allocations: 3.93 MB / 0.8982 GB, free: 160 kB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.4015/2.686, allocations: 10.97 MB / 0.9089 GB, free: 84.35 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01609/2.702, allocations: 5.969 MB / 0.9148 GB, free: 84.3 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003234/2.702, allocations: 59.31 kB / 0.9148 GB, free: 84.3 MB / 0.4948 GB Notification: Performance of matching and sorting (n=1271) (initialization): time 0.06279/2.765, allocations: 16.36 MB / 0.9308 GB, free: 83.55 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001773/2.765, allocations: 95.09 kB / 0.9309 GB, free: 83.55 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0342/2.799, allocations: 7.703 MB / 0.9384 GB, free: 83.28 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02947/2.829, allocations: 3.906 MB / 0.9422 GB, free: 83.16 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01406/2.843, allocations: 2.306 MB / 0.9445 GB, free: 82.96 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02451/2.868, allocations: 13.99 MB / 0.9581 GB, free: 75.09 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01459/2.882, allocations: 0.8648 MB / 0.959 GB, free: 75.09 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002702/2.885, allocations: 0.5909 MB / 0.9596 GB, free: 75.09 MB / 0.4948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 933 * Number of states: 0 () * Number of discrete variables: 75 (spring6.color[3],spring6.color[2],spring6.color[1],spring6.massColor[3],spring6.massColor[2],spring6.massColor[1],pointMass.sphereColor[3],pointMass.sphereColor[2],pointMass.sphereColor[1],bodyCylinder.color[3],bodyCylinder.color[2],bodyCylinder.color[1],bodyCylinder.body.sphereColor[3],bodyCylinder.body.sphereColor[2],bodyCylinder.body.sphereColor[1],spring5.color[3],spring5.color[2],spring5.color[1],spring5.massColor[3],spring5.massColor[2],spring5.massColor[1],spring4.color[3],spring4.color[2],spring4.color[1],spring4.massColor[3],spring4.massColor[2],spring4.massColor[1],bodyBox.color[3],bodyBox.color[2],bodyBox.color[1],bodyBox.body.sphereColor[3],bodyBox.body.sphereColor[2],bodyBox.body.sphereColor[1],spring3.color[3],spring3.color[2],spring3.color[1],spring3.massColor[3],spring3.massColor[2],spring3.massColor[1],body.sphereColor[3],body.sphereColor[2],body.sphereColor[1],spring2.color[3],spring2.color[2],spring2.color[1],spring2.massColor[3],spring2.massColor[2],spring2.massColor[1],bodyShape.color[3],bodyShape.color[2],bodyShape.color[1],bodyShape.body.sphereColor[3],bodyShape.body.sphereColor[2],bodyShape.body.sphereColor[1],bodyShape.frameTranslation.color[3],bodyShape.frameTranslation.color[2],bodyShape.frameTranslation.color[1],spring1.color[3],spring1.color[2],spring1.color[1],spring1.massColor[3],spring1.massColor[2],spring1.massColor[1],bar2.color[3],bar2.color[2],bar2.color[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1195): * Single equations (assignments): 1170 * Array equations: 11 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 12 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 8 {(4,100.0%),(3,100.0%),(4,100.0%),(3,100.0%),(4,100.0%),(3,100.0%),(4,100.0%),(3,100.0%)} * Non-linear Jacobian: 4 {4,4,4,4} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 1,(2,100.0%) 1} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.01101/2.896, allocations: 3.416 MB / 0.9629 GB, free: 74.77 MB / 0.4948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001683/2.898, allocations: 0.5897 MB / 0.9635 GB, free: 74.77 MB / 0.4948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03261/2.93, allocations: 7.587 MB / 0.9709 GB, free: 74.43 MB / 0.4948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.02481/2.955, allocations: 6.754 MB / 0.9775 GB, free: 74.16 MB / 0.4948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.169e-05/2.955, allocations: 7.406 kB / 0.9775 GB, free: 74.16 MB / 0.4948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.734e-05/2.955, allocations: 16.5 kB / 0.9775 GB, free: 74.16 MB / 0.4948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02107/2.976, allocations: 7.423 MB / 0.9847 GB, free: 72.28 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.911e-05/2.977, allocations: 3.5 kB / 0.9847 GB, free: 72.28 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006279/2.983, allocations: 0.5992 MB / 0.9853 GB, free: 72.25 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01815/3.001, allocations: 3.13 MB / 0.9884 GB, free: 71.63 MB / 0.4948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001013/3.002, allocations: 98.31 kB / 0.9885 GB, free: 71.59 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02218/3.024, allocations: 14.3 MB / 1.002 GB, free: 62.02 MB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.004633/3.029, allocations: 6.072 MB / 1.008 GB, free: 56.22 MB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03374/3.063, allocations: 11.74 MB / 1.02 GB, free: 51.96 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002316/3.065, allocations: 0.6404 MB / 1.02 GB, free: 51.5 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00248/3.068, allocations: 76.97 kB / 1.021 GB, free: 51.46 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007159/3.075, allocations: 373.2 kB / 1.021 GB, free: 51.43 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001488/3.076, allocations: 222 kB / 1.021 GB, free: 51.39 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0006133/3.077, allocations: 88.77 kB / 1.021 GB, free: 51.38 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 0.01193/3.089, allocations: 4.089 MB / 1.025 GB, free: 49.18 MB / 0.4948 GB Notification: Performance of sort global known variables: time 7.42e-07/3.089, allocations: 6.516 kB / 1.025 GB, free: 49.17 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.01349/3.103, allocations: 2.036 MB / 1.027 GB, free: 47.15 MB / 0.4948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 54 ($STATESET4.x[3],$STATESET4.x[2],$STATESET4.x[1],$STATESET3.x[3],$STATESET3.x[2],$STATESET3.x[1],$STATESET2.x[3],$STATESET2.x[2],$STATESET2.x[1],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],bodyShape.r_0[1],bodyShape.r_0[2],bodyShape.r_0[3],bodyShape.v_0[1],bodyShape.v_0[2],bodyShape.v_0[3],bodyShape.body.w_a[1],bodyShape.body.w_a[2],bodyShape.body.w_a[3],body.r_0[1],body.r_0[2],body.r_0[3],body.v_0[1],body.v_0[2],body.v_0[3],body.w_a[1],body.w_a[2],body.w_a[3],bodyBox.r_0[1],bodyBox.r_0[2],bodyBox.r_0[3],bodyBox.v_0[1],bodyBox.v_0[2],bodyBox.v_0[3],bodyBox.body.w_a[1],bodyBox.body.w_a[2],bodyBox.body.w_a[3],bodyCylinder.r_0[1],bodyCylinder.r_0[2],bodyCylinder.r_0[3],bodyCylinder.v_0[1],bodyCylinder.v_0[2],bodyCylinder.v_0[3],bodyCylinder.body.w_a[1],bodyCylinder.body.w_a[2],bodyCylinder.body.w_a[3],pointMass.r_0[1],pointMass.r_0[2],pointMass.r_0[3],pointMass.v_0[1],pointMass.v_0[2],pointMass.v_0[3]) * 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 (233): * Single equations (assignments): 216 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 12 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 8 {(3,100.0%),(4,100.0%),(3,100.0%),(4,100.0%),(3,100.0%),(4,100.0%),(3,100.0%),(4,100.0%)} * Non-linear Jacobian: 4 {4,4,4,4} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 1,(2,100.0%) 1} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.03445/3.137, allocations: 12.59 MB / 1.039 GB, free: 36.37 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.02964/3.167, allocations: 11.27 MB / 1.05 GB, free: 26.36 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 7.033e-06/3.167, allocations: 3.844 kB / 1.05 GB, free: 26.36 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.01648/3.183, allocations: 5.345 MB / 1.056 GB, free: 21.6 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007268/3.191, allocations: 0.8204 MB / 1.057 GB, free: 20.91 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.6194/3.81, allocations: 213.6 MB / 1.265 GB, free: 33.2 MB / 0.6042 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01307/3.823, allocations: 5.417 MB / 1.27 GB, free: 32.32 MB / 0.6042 GB Notification: Performance of simCode: alias equations: time 0.01391/3.837, allocations: 2.919 MB / 1.273 GB, free: 32.22 MB / 0.6042 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.008617/3.846, allocations: 3.602 MB / 1.277 GB, free: 32.21 MB / 0.6042 GB Notification: Performance of SimCode: time 1.323e-06/3.846, allocations: 4 kB / 1.277 GB, free: 32.21 MB / 0.6042 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.81/4.656, allocations: 147.9 MB / 1.421 GB, free: 178.1 MB / 0.6042 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002473/4.656, allocations: 200.8 kB / 1.421 GB, free: 177.8 MB / 0.6042 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.175/12.83, allocations: 0 / 1.421 GB, free: 177.8 MB / 0.6042 GB TODO: How the !@#!# did the simulation report success but simulation result ModelicaTest_3.2.2_ModelicaTest.MultiBody.Parts.FreeBodies_res.mat does not exist to compare? outputFormat=mat