Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real [:1:1-1:33:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.000487/0.000487, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0003817/0.0003817, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 0.2733/0.2733, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.05282/0.05282, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] 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 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.Blocks.StrictLimiters,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Blocks_StrictLimiters",fmuType="me_cs",version="3.0",platforms={"wasm"}) "" <> buildModelFMU(ModelicaTest.Blocks.StrictLimiters,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Blocks_StrictLimiters",fmuType="me_cs",version="3.0",platforms={"wasm"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 4.278e-06/4.278e-06, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 1.662e-05/2.09e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.StrictLimiters): time 0.007415/0.007436, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.005455/0.01289, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.0009245/0.01382, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.0006954/0.01451, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.001224/0.01574, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.00202/0.01775, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.001711/0.01947, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.0008418/0.02031, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.001472/0.02178, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.0008064/0.02259, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 0.0002069/0.02279, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0001547/0.02295, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0003067/0.02325, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.0005774/0.02383, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.001942/0.02577, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 0.0001097/0.02588, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 4.889e-06/0.02589, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 1.438e-05/0.0259, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 121 * Number of variables: 121 Notification: Performance of Generate backend data structure: time 0.005512/0.03142, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 0.0001026/0.03152, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005683/0.03209, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008026/0.03289, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.002771/0.03566, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001588/0.03582, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003123/0.03613, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.004372/0.0405, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 5.678e-05/0.04056, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002296/0.04079, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.964e-05/0.04082, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003793/0.04461, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009825/0.05444, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.004263/0.0587, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.00228/0.06098, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 0.0001097/0.06109, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.52e-05/0.06117, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=48): time 9.647e-05/0.06127, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=50): time 0.01442/0.07569, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001855/0.07588, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00246/0.07834, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 0.000289/0.07863, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.0006333/0.07926, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.0003637/0.07963, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007918/0.08042, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 0.0002648/0.08068, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.002006/0.08269, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.002291/0.08498, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.003953/0.08893, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.225e-05/0.08894, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=66) (initialization): time 0.00553/0.09447, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 4.1e-05/0.09451, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.597e-05/0.09453, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 3.2e-05/0.09456, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002019/0.09658, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.369e-05/0.09661, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001058/0.09766, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001954/0.09786, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002205/0.1001, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001806/0.1019, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003404/0.1053, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.46e-05/0.1053, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=66) (initialization_lambda0): time 0.004456/0.1097, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 3.853e-05/0.1098, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.567e-05/0.1098, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 2.334e-05/0.1098, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00175/0.1116, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.51e-05/0.1116, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009134/0.1125, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001618/0.1127, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 4 (PID2.I.local_reset,PID1.I.local_reset,limIntegrator2.local_reset,limIntegrator1.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (66): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000772/0.1134, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007654/0.1142, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005336/0.1147, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.464e-05/0.1148, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 1.253e-05/0.1148, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.823e-05/0.1148, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009686/0.1245, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.15e-05/0.1245, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001416/0.1259, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 1.622e-05/0.1259, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002171/0.1261, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.411e-05/0.1261, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.132e-06/0.1262, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007261/0.1334, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.001332/0.1347, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004759/0.1352, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001149/0.1364, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005971/0.137, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001765/0.1371, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.00161/0.1388, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 3.136e-05/0.1388, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.00295/0.1417, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 8 (der1.u,der2.u,limIntegrator1.y,limIntegrator2.y,PID1.I.y,PID1.D.x,PID2.I.y,PID2.D.x) * 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 (50): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.008406/0.1501, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.006195/0.1563, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 1.227e-05/0.1564, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.002201/0.1586, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004193/0.1627, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03452/0.1973, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001133/0.1984, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.001334/0.1997, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002764/0.2025, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 0.0008315/0.2033, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU modelDescription.xml: time 0.01064/0.214, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU model kernel: time 0.004416/0.2184, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU translated model: time 0.04338/0.2618, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU component link: time 1.205e-05/0.2618, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU precompile: time 0.0001681/0.2619, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU write (0.2 MB unzipped): time 0.0002006/0.2621, allocations: 0 / 0, free: 0 / 0 Notification: Building FMU for platform 'wasm' (1/1). Notification: Finished FMU for platform 'wasm' (1/1). " [Timeout remaining time 660] simulate(ModelicaTest.Blocks.StrictLimiters,startTime=0,stopTime=1.1,tolerance=1e-06,numberOfIntervals=5093,outputFormat="mat",variableFilter="time|PID1.D.x|PID1.I.y|PID2.D.x|PID2.I.y|limIntegrator1.y|limIntegrator2.y|slewRateLimiter1.y|slewRateLimiter2.y",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1.1 -tolerance=1e-06 -stepSize=0.000215983 -r=ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_res.mat",resimulateExecutable="ModelicaTest_3_2_3_ModelicaTest_Blocks_StrictLimiters.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Blocks/StrictLimiters/StrictLimiters.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches simulate(ModelicaTest.Blocks.StrictLimiters,startTime=0,stopTime=1.1,tolerance=1e-06,numberOfIntervals=5093,outputFormat="mat",variableFilter="time|PID1.D.x|PID1.I.y|PID2.D.x|PID2.I.y|limIntegrator1.y|limIntegrator2.y|slewRateLimiter1.y|slewRateLimiter2.y",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1.1 -tolerance=1e-06 -stepSize=0.000215983 -r=ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_me_res.mat -s fmi3:me:daskr",resimulateExecutable="ModelicaTest_3_2_3_ModelicaTest_Blocks_StrictLimiters.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_me_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Blocks/StrictLimiters/StrictLimiters.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_me.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches simulate(ModelicaTest.Blocks.StrictLimiters,startTime=0,stopTime=1.1,tolerance=1e-06,numberOfIntervals=5093,outputFormat="mat",variableFilter="time|PID1.D.x|PID1.I.y|PID2.D.x|PID2.I.y|limIntegrator1.y|limIntegrator2.y|slewRateLimiter1.y|slewRateLimiter2.y",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1.1 -tolerance=1e-06 -stepSize=0.000215983 -r=ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_cs_res.mat -s fmi3:cs",resimulateExecutable="ModelicaTest_3_2_3_ModelicaTest_Blocks_StrictLimiters.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_cs_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Blocks/StrictLimiters/StrictLimiters.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Blocks.StrictLimiters_cs.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 1.7826413209550083]