Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Running command: "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.DFFREGSRH,fileNamePrefix="Modelica_3_2_3_Modelica_Electrical_Digital_Examples_DFFREGSRH",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.DFFREGSRH,fileNamePrefix="Modelica_3_2_3_Modelica_Electrical_Digital_Examples_DFFREGSRH",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001192/0.001192, allocations: 172.7 kB / 14.1 MB, free: 1.223 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.338/1.338, allocations: 205.2 MB / 219.8 MB, free: 14.27 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008401/0.00084, allocations: 90.69 kB / 268 MB, free: 14.1 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 3.053e-05/3.069e-05, allocations: 0 / 322.5 MB, free: 17.27 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09534/0.09538, allocations: 47.58 MB / 370.1 MB, free: 1.625 MB / 266.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.342/0.4375, allocations: 82.36 MB / 452.5 MB, free: 10.53 MB / 330.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001842/0.4377, allocations: 71.41 kB / 452.5 MB, free: 10.49 MB / 330.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.07462/0.5123, allocations: 31.27 MB / 483.8 MB, free: 13.03 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.583e-06/0.5124, allocations: 0 / 483.8 MB, free: 13.03 MB / 362.7 MB Notification: Performance of Transformations before backend: time 2.928e-05/0.5124, allocations: 16 kB / 483.8 MB, free: 13.01 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 43 * Number of variables: 43 Notification: Performance of Generate backend data structure: time 0.001526/0.514, allocations: 1.299 MB / 485.1 MB, free: 11.61 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.731e-05/0.514, allocations: 8.031 kB / 485.1 MB, free: 11.61 MB / 362.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001133/0.5141, allocations: 58.55 kB / 485.2 MB, free: 11.54 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001869/0.5143, allocations: 130.5 kB / 485.3 MB, free: 11.41 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007699/0.5151, allocations: 0.509 MB / 485.8 MB, free: 10.85 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.042e-05/0.5152, allocations: 24 kB / 485.9 MB, free: 10.83 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.215e-05/0.5153, allocations: 31.94 kB / 485.9 MB, free: 10.8 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001014/0.5163, allocations: 0.626 MB / 486.5 MB, free: 10.16 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.173e-05/0.5163, allocations: 0 / 486.5 MB, free: 10.16 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.57e-05/0.5164, allocations: 19.94 kB / 486.5 MB, free: 10.14 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.373e-06/0.5164, allocations: 0 / 486.5 MB, free: 10.14 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007121/0.5171, allocations: 457.1 kB / 487 MB, free: 9.699 MB / 362.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001791/0.5189, allocations: 1.099 MB / 488.1 MB, free: 8.543 MB / 362.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0008461/0.5198, allocations: 0.6859 MB / 488.8 MB, free: 7.848 MB / 362.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00077/0.5206, allocations: 0.6725 MB / 489.4 MB, free: 7.172 MB / 362.7 MB Notification: Performance of preOpt evalFunc (simulation): time 1.126e-05/0.5206, allocations: 8 kB / 489.4 MB, free: 7.164 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009413/0.5215, allocations: 0.7648 MB / 490.2 MB, free: 6.363 MB / 362.7 MB Notification: Performance of pre-optimization done (n=36): time 2.355e-06/0.5216, allocations: 0 / 490.2 MB, free: 6.363 MB / 362.7 MB Notification: Performance of matching and sorting (n=36): time 0.002055/0.5236, allocations: 1.403 MB / 491.6 MB, free: 4.902 MB / 362.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002294/0.5239, allocations: 336.9 kB / 491.9 MB, free: 4.512 MB / 362.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002481/0.5264, allocations: 1.598 MB / 493.5 MB, free: 2.898 MB / 362.7 MB Notification: Performance of collectPreVariables (initialization): time 8.515e-05/0.5264, allocations: 49.7 kB / 493.6 MB, free: 2.844 MB / 362.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002421/0.5267, allocations: 234.4 kB / 493.8 MB, free: 2.609 MB / 362.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001138/0.5268, allocations: 87.08 kB / 493.9 MB, free: 2.523 MB / 362.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 4.948e-05/0.5269, allocations: 12 kB / 493.9 MB, free: 2.512 MB / 362.7 MB Notification: Performance of setup shared object (initialization): time 0.0002234/0.5271, allocations: 386.7 kB / 494.3 MB, free: 2.125 MB / 362.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006317/0.5278, allocations: 444 kB / 494.7 MB, free: 1.688 MB / 362.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000634/0.5284, allocations: 452.2 kB / 495.2 MB, free: 1.246 MB / 362.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006415/0.5291, allocations: 0.5841 MB / 495.8 MB, free: 0.6133 MB / 362.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.547e-06/0.5291, allocations: 4 kB / 495.8 MB, free: 0.6094 MB / 362.7 MB Notification: Performance of matching and sorting (n=43) (initialization): time 0.001818/0.5309, allocations: 1.347 MB / 497.1 MB, free: 15.2 MB / 378.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0002319/0.5311, allocations: 293.5 kB / 497.4 MB, free: 14.87 MB / 378.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.752e-06/0.5312, allocations: 4 kB / 497.4 MB, free: 14.86 MB / 378.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.957e-05/0.5312, allocations: 0 / 497.4 MB, free: 14.86 MB / 378.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 2.985e-05/0.5312, allocations: 0 / 497.4 MB, free: 14.86 MB / 378.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.125e-06/0.5312, allocations: 4 kB / 497.4 MB, free: 14.86 MB / 378.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004115/0.5316, allocations: 51.83 kB / 497.4 MB, free: 14.81 MB / 378.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001893/0.5318, allocations: 155.9 kB / 497.6 MB, free: 14.66 MB / 378.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 43 ($whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,clock.y,data_0.y,reset.y,data_1.y,set.y,$PRE.dFFREGSRH.delay.inertialDelaySensitive[1].x,dFFREGSRH.delay.inertialDelaySensitive[1].x,$PRE.dFFREGSRH.delay.inertialDelaySensitive[1].y,dFFREGSRH.delay.inertialDelaySensitive[1].y,dFFREGSRH.delay.inertialDelaySensitive[1].delayTime,dFFREGSRH.delay.inertialDelaySensitive[1].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[1].y_old,dFFREGSRH.delay.inertialDelaySensitive[1].lh,dFFREGSRH.delay.inertialDelaySensitive[1].t_next,$PRE.dFFREGSRH.delay.inertialDelaySensitive[2].x,dFFREGSRH.delay.inertialDelaySensitive[2].x,$PRE.dFFREGSRH.delay.inertialDelaySensitive[2].y,dFFREGSRH.delay.inertialDelaySensitive[2].y,dFFREGSRH.delay.inertialDelaySensitive[2].delayTime,dFFREGSRH.delay.inertialDelaySensitive[2].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[2].y_old,dFFREGSRH.delay.inertialDelaySensitive[2].lh,dFFREGSRH.delay.inertialDelaySensitive[2].t_next,$PRE.dFFREGSRH.dFFSR.set,dFFREGSRH.dFFSR.set,$PRE.dFFREGSRH.dFFSR.reset,dFFREGSRH.dFFSR.reset,$PRE.dFFREGSRH.dFFSR.clock,dFFREGSRH.dFFSR.clock,dFFREGSRH.dFFSR.dataIn[1],dFFREGSRH.dFFSR.dataIn[2],dFFREGSRH.dFFSR.dataOut[1],dFFREGSRH.dFFSR.dataOut[2],dFFREGSRH.dFFSR.clock_flag,dFFREGSRH.dFFSR.reset_set_flag,dFFREGSRH.dFFSR.nextstate[1],dFFREGSRH.dFFSR.nextstate[2],dFFREGSRH.dFFSR.next_assign_val[1],dFFREGSRH.dFFSR.next_assign_val[2]) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (22): * Single equations (assignments): 14 * Array equations: 0 * Algorithm blocks: 8 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0004206/0.5323, allocations: 466.3 kB / 498.1 MB, free: 14.15 MB / 378.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001636/0.5325, allocations: 134.5 kB / 498.2 MB, free: 14.02 MB / 378.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006592/0.5331, allocations: 255.7 kB / 498.4 MB, free: 13.77 MB / 378.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.322e-06/0.5331, allocations: 0 / 498.4 MB, free: 13.77 MB / 378.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.538e-06/0.5331, allocations: 4 kB / 498.4 MB, free: 13.76 MB / 378.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.589e-06/0.5332, allocations: 0 / 498.4 MB, free: 13.76 MB / 378.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003175/0.5363, allocations: 2.387 MB / 0.4891 GB, free: 11.26 MB / 378.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.815e-06/0.5364, allocations: 0 / 0.4891 GB, free: 11.26 MB / 378.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.487e-05/0.5364, allocations: 4 kB / 0.4891 GB, free: 11.26 MB / 378.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.94e-06/0.5364, allocations: 0 / 0.4891 GB, free: 11.26 MB / 378.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.742e-05/0.5365, allocations: 47.95 kB / 0.4891 GB, free: 11.21 MB / 378.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.855e-06/0.5365, allocations: 0 / 0.4891 GB, free: 11.21 MB / 378.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.693e-06/0.5365, allocations: 0 / 0.4891 GB, free: 11.21 MB / 378.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002017/0.5385, allocations: 1.629 MB / 0.4907 GB, free: 9.512 MB / 378.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001156/0.5397, allocations: 0.6747 MB / 0.4914 GB, free: 8.816 MB / 378.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001889/0.5399, allocations: 67.95 kB / 0.4915 GB, free: 8.75 MB / 378.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003682/0.5403, allocations: 35.91 kB / 0.4915 GB, free: 8.715 MB / 378.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005396/0.5408, allocations: 359.6 kB / 0.4918 GB, free: 8.363 MB / 378.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001852/0.541, allocations: 151.9 kB / 0.492 GB, free: 8.215 MB / 378.7 MB Notification: Performance of sorting global known variables: time 0.002112/0.5431, allocations: 1.327 MB / 0.4933 GB, free: 6.883 MB / 378.7 MB Notification: Performance of sort global known variables: time 3.71e-07/0.5431, allocations: 4 kB / 0.4933 GB, free: 6.879 MB / 378.7 MB Notification: Performance of remove unused functions: time 0.0005482/0.5437, allocations: 148 kB / 0.4934 GB, free: 6.73 MB / 378.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 36 ($whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,clock.y,data_0.y,reset.y,data_1.y,set.y,dFFREGSRH.delay.inertialDelaySensitive[1].x,dFFREGSRH.delay.inertialDelaySensitive[1].y,dFFREGSRH.delay.inertialDelaySensitive[1].delayTime,dFFREGSRH.delay.inertialDelaySensitive[1].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[1].y_old,dFFREGSRH.delay.inertialDelaySensitive[1].lh,dFFREGSRH.delay.inertialDelaySensitive[1].t_next,dFFREGSRH.delay.inertialDelaySensitive[2].x,dFFREGSRH.delay.inertialDelaySensitive[2].y,dFFREGSRH.delay.inertialDelaySensitive[2].delayTime,dFFREGSRH.delay.inertialDelaySensitive[2].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[2].y_old,dFFREGSRH.delay.inertialDelaySensitive[2].lh,dFFREGSRH.delay.inertialDelaySensitive[2].t_next,dFFREGSRH.dFFSR.set,dFFREGSRH.dFFSR.reset,dFFREGSRH.dFFSR.clock,dFFREGSRH.dFFSR.dataIn[1],dFFREGSRH.dFFSR.dataIn[2],dFFREGSRH.dFFSR.dataOut[1],dFFREGSRH.dFFSR.dataOut[2],dFFREGSRH.dFFSR.clock_flag,dFFREGSRH.dFFSR.reset_set_flag,dFFREGSRH.dFFSR.nextstate[1],dFFREGSRH.dFFSR.nextstate[2],dFFREGSRH.dFFSR.next_assign_val[1],dFFREGSRH.dFFSR.next_assign_val[2]) * Number of discrete states: 34 (set.y,data_1.y,reset.y,data_0.y,clock.y,dFFREGSRH.dFFSR.dataOut[2],dFFREGSRH.dFFSR.dataOut[1],dFFREGSRH.dFFSR.next_assign_val[2],dFFREGSRH.dFFSR.next_assign_val[1],dFFREGSRH.dFFSR.nextstate[2],dFFREGSRH.dFFSR.nextstate[1],dFFREGSRH.dFFSR.reset_set_flag,dFFREGSRH.dFFSR.clock_flag,dFFREGSRH.dFFSR.clock,dFFREGSRH.dFFSR.reset,dFFREGSRH.dFFSR.set,dFFREGSRH.delay.inertialDelaySensitive[2].y,dFFREGSRH.delay.inertialDelaySensitive[2].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[2].t_next,dFFREGSRH.delay.inertialDelaySensitive[2].delayTime,dFFREGSRH.delay.inertialDelaySensitive[2].lh,dFFREGSRH.delay.inertialDelaySensitive[2].y_old,$whenCondition4,$whenCondition3,dFFREGSRH.delay.inertialDelaySensitive[2].x,dFFREGSRH.delay.inertialDelaySensitive[1].y,dFFREGSRH.delay.inertialDelaySensitive[1].y_auxiliary,dFFREGSRH.delay.inertialDelaySensitive[1].t_next,dFFREGSRH.delay.inertialDelaySensitive[1].delayTime,dFFREGSRH.delay.inertialDelaySensitive[1].lh,dFFREGSRH.delay.inertialDelaySensitive[1].y_old,$whenCondition2,$whenCondition1,dFFREGSRH.delay.inertialDelaySensitive[1].x) * Top-level inputs: 0 Notification: Strong component statistics for simulation (15): * Single equations (assignments): 7 * Array equations: 0 * Algorithm blocks: 8 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002408/0.5461, allocations: 2.257 MB / 0.4956 GB, free: 4.395 MB / 378.7 MB Notification: Performance of simCode: created initialization part: time 0.001992/0.5481, allocations: 1.925 MB / 0.4975 GB, free: 2.371 MB / 378.7 MB Notification: Performance of simCode: created event and clocks part: time 2.375e-06/0.5481, allocations: 0 / 0.4975 GB, free: 2.371 MB / 378.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001284/0.5494, allocations: 1.393 MB / 0.4989 GB, free: 0.8789 MB / 378.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001216/0.5506, allocations: 304.8 kB / 0.4992 GB, free: 0.5781 MB / 378.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004481/0.5551, allocations: 2.704 MB / 0.5018 GB, free: 13.82 MB / 394.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00104/0.5562, allocations: 1.224 MB / 0.503 GB, free: 12.57 MB / 394.7 MB Notification: Performance of simCode: alias equations: time 0.0003581/0.5566, allocations: 191 kB / 0.5032 GB, free: 12.38 MB / 394.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001782/0.5568, allocations: 147.4 kB / 0.5033 GB, free: 12.24 MB / 394.7 MB Notification: Performance of SimCode: time 1.072e-06/0.5568, allocations: 0 / 0.5033 GB, free: 12.24 MB / 394.7 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0415/0.5983, allocations: 22.04 MB / 0.5248 GB, free: 5.762 MB / 410.7 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001758/0.5985, allocations: 152.4 kB / 0.525 GB, free: 5.535 MB / 410.7 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.189/2.788, allocations: 4 kB / 0.525 GB, free: 5.531 MB / 410.7 MB (rm -f Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.pipe ; mkfifo Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.pipe >> ../files/Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH_res.mat --tempDir=temp_Modelica_3_2_3_Modelica_Electrical_Digital_Examples_DFFREGSRH_fmu --startTime=0 --stopTime=15 --timeout=50 --tolerance=1e-06 Modelica_3_2_3_Modelica_Electrical_Digital_Examples_DFFREGSRH.fmu > Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH.pipe 2>&1) TODO: How the !@#!# did the simulation report success but simulation result Modelica_3.2.3_Modelica.Electrical.Digital.Examples.DFFREGSRH_res.mat does not exist to compare? outputFormat=mat