Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.002084/0.002084, allocations: 91.61 kB / 20.96 MB, free: 3.465 MB / 18.57 MB
"
[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 0.00217/0.00217, allocations: 165.6 kB / 24.27 MB, free: 156 kB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.649/1.649, allocations: 177.1 MB / 204.6 MB, free: 5.641 MB / 186.7 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.361/0.361, allocations: 34.27 MB / 295.3 MB, free: 0.6758 MB / 266.7 MB
"
[Timeout remaining time 179]
Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+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: translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|Nu.1.|Nu.2.|Nu.3.|velocity.1.|velocity.2.|velocity.3.|kc.1.|kc.2.|kc.3.|Pr.1.|Pr.2.|Pr.3.|Re.1.|Re.2.|Re.3.|input_Nu.y",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC")
translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|Nu.1.|Nu.2.|Nu.3.|velocity.1.|velocity.2.|velocity.3.|kc.1.|kc.2.|kc.3.|Pr.1.|Pr.2.|Pr.3.|Re.1.|Re.2.|Re.3.|input_Nu.y",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.342e-06/1.342e-06, allocations: 0 / 377.3 MB, free: 2.949 MB / 346.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.551e-05/2.685e-05, allocations: 2.312 kB / 377.3 MB, free: 2.945 MB / 346.7 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC): time 0.003187/0.003214, allocations: 1.716 MB / 379 MB, free: 1.219 MB / 346.7 MB
Notification: Performance of NFInst.instExpressions: time 0.002261/0.005475, allocations: 1.25 MB / 380.3 MB, free: 15.96 MB / 362.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 5.574e-05/0.00553, allocations: 0 / 380.3 MB, free: 15.96 MB / 362.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.0002353/0.005766, allocations: 35.77 kB / 380.3 MB, free: 15.93 MB / 362.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.0002835/0.006049, allocations: 67.66 kB / 380.4 MB, free: 15.86 MB / 362.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0004768/0.006526, allocations: 179 kB / 380.6 MB, free: 15.68 MB / 362.7 MB
Notification: Performance of NFFlatten.flatten: time 0.0002551/0.006781, allocations: 163.2 kB / 380.7 MB, free: 15.52 MB / 362.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 3.795e-05/0.006819, allocations: 5.594 kB / 380.7 MB, free: 15.52 MB / 362.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001256/0.006945, allocations: 71.8 kB / 380.8 MB, free: 15.45 MB / 362.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001568/0.007101, allocations: 79.77 kB / 380.9 MB, free: 15.37 MB / 362.7 MB
Notification: Performance of NFPackage.collectConstants: time 2.362e-05/0.007125, allocations: 8 kB / 380.9 MB, free: 15.36 MB / 362.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.000281/0.007406, allocations: 115.7 kB / 381 MB, free: 15.25 MB / 362.7 MB
Notification: Performance of NFScalarize.scalarize: time 8.433e-05/0.00749, allocations: 47.84 kB / 381 MB, free: 15.2 MB / 362.7 MB
Notification: Performance of NFVerifyModel.verify: time 6.746e-05/0.007558, allocations: 35.86 kB / 381.1 MB, free: 15.16 MB / 362.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.0004094/0.007967, allocations: 239.1 kB / 381.3 MB, free: 14.93 MB / 362.7 MB
Notification: Performance of FrontEnd - DAE generated: time 3.496e-06/0.007971, allocations: 0 / 381.3 MB, free: 14.93 MB / 362.7 MB
Notification: Performance of FrontEnd: time 1.433e-06/0.007972, allocations: 0 / 381.3 MB, free: 14.93 MB / 362.7 MB
Notification: Performance of Transformations before backend: time 4.91e-06/0.007977, allocations: 0 / 381.3 MB, free: 14.93 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: 34
 * Number of variables: 34
Notification: Performance of Generate backend data structure: time 0.0007998/0.008777, allocations: 0.4953 MB / 381.8 MB, free: 14.4 MB / 362.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.817e-05/0.008815, allocations: 12.03 kB / 381.8 MB, free: 14.39 MB / 362.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00176/0.01058, allocations: 216.5 kB / 382 MB, free: 14.18 MB / 362.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003318/0.01091, allocations: 172.3 kB / 382.2 MB, free: 13.98 MB / 362.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.674e-05/0.01092, allocations: 8.359 kB / 382.2 MB, free: 13.97 MB / 362.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 3.931e-05/0.01096, allocations: 8.375 kB / 382.2 MB, free: 13.96 MB / 362.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007174/0.01168, allocations: 317.9 kB / 382.5 MB, free: 13.64 MB / 362.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.068e-05/0.01169, allocations: 192 / 382.5 MB, free: 13.64 MB / 362.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.563e-05/0.01173, allocations: 8.359 kB / 382.5 MB, free: 13.63 MB / 362.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.537e-05/0.01177, allocations: 23.92 kB / 382.6 MB, free: 13.61 MB / 362.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006424/0.01241, allocations: 299.7 kB / 382.8 MB, free: 13.32 MB / 362.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001614/0.01403, allocations: 0.7135 MB / 383.6 MB, free: 12.56 MB / 362.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004851/0.01451, allocations: 170.9 kB / 383.7 MB, free: 12.38 MB / 362.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001795/0.01469, allocations: 67.61 kB / 383.8 MB, free: 12.31 MB / 362.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 3.592e-05/0.01473, allocations: 4 kB / 383.8 MB, free: 12.3 MB / 362.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.595e-05/0.01476, allocations: 37.38 kB / 383.8 MB, free: 12.26 MB / 362.7 MB
Notification: Performance of pre-optimization done (n=13): time 1.172e-06/0.01477, allocations: 0 / 383.8 MB, free: 12.26 MB / 362.7 MB
Notification: Performance of matching and sorting (n=13): time 0.0007736/0.01554, allocations: 241.1 kB / 384.1 MB, free: 12.02 MB / 362.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.698e-05/0.01559, allocations: 51.41 kB / 384.1 MB, free: 11.96 MB / 362.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001926/0.01578, allocations: 216.7 kB / 384.3 MB, free: 11.73 MB / 362.7 MB
Notification: Performance of collectPreVariables (initialization): time 4.405e-05/0.01582, allocations: 33.7 kB / 384.4 MB, free: 11.69 MB / 362.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0001259/0.01595, allocations: 175.1 kB / 384.5 MB, free: 11.52 MB / 362.7 MB
Notification: Performance of collectInitialBindings (initialization): time 5.945e-05/0.01601, allocations: 47.59 kB / 384.6 MB, free: 11.47 MB / 362.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000138/0.01615, allocations: 63.25 kB / 384.6 MB, free: 11.4 MB / 362.7 MB
Notification: Performance of setup shared object (initialization): time 0.0002629/0.01641, allocations: 0.5002 MB / 385.1 MB, free: 10.89 MB / 362.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001691/0.01658, allocations: 47.88 kB / 385.2 MB, free: 10.84 MB / 362.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002072/0.01679, allocations: 94.67 kB / 385.3 MB, free: 10.73 MB / 362.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0004349/0.01722, allocations: 174.6 kB / 385.4 MB, free: 10.54 MB / 362.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.913e-06/0.01722, allocations: 0 / 385.4 MB, free: 10.54 MB / 362.7 MB
Notification: Performance of matching and sorting (n=16) (initialization): time 0.0005587/0.01778, allocations: 201.3 kB / 385.6 MB, free: 10.34 MB / 362.7 MB
Notification: Performance of prepare postOptimizeDAE: time 2.148e-05/0.0178, allocations: 11.98 kB / 385.7 MB, free: 10.33 MB / 362.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.738e-06/0.01781, allocations: 0 / 385.7 MB, free: 10.33 MB / 362.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.559e-05/0.01782, allocations: 4.094 kB / 385.7 MB, free: 10.32 MB / 362.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02343/0.04125, allocations: 1.385 MB / 387 MB, free: 8.938 MB / 362.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03623/0.07748, allocations: 13.31 MB / 400.4 MB, free: 10.89 MB / 378.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003203/0.0778, allocations: 15.94 kB / 400.4 MB, free: 10.88 MB / 378.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.987e-05/0.07784, allocations: 15.97 kB / 400.4 MB, free: 10.86 MB / 378.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * 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 (16):
 * Single equations (assignments): 10
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 6
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0002096/0.07805, allocations: 172.6 kB / 400.6 MB, free: 10.68 MB / 378.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 7.842e-05/0.07813, allocations: 19.91 kB / 400.6 MB, free: 10.66 MB / 378.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.469e-05/0.07821, allocations: 28.88 kB / 400.6 MB, free: 10.64 MB / 378.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.807e-06/0.07822, allocations: 4 kB / 400.6 MB, free: 10.63 MB / 378.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.923e-06/0.07822, allocations: 0 / 400.6 MB, free: 10.63 MB / 378.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.32e-06/0.07823, allocations: 3.938 kB / 400.6 MB, free: 10.63 MB / 378.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000328/0.07855, allocations: 204.5 kB / 400.8 MB, free: 10.39 MB / 378.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.615e-06/0.07856, allocations: 0 / 400.8 MB, free: 10.39 MB / 378.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.02328/0.1018, allocations: 1.385 MB / 402.2 MB, free: 9.008 MB / 378.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 8.326e-06/0.1018, allocations: 64 / 402.2 MB, free: 9.008 MB / 378.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.934e-05/0.1019, allocations: 19.97 kB / 402.2 MB, free: 8.988 MB / 378.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0366/0.1385, allocations: 13.3 MB / 415.5 MB, free: 10.95 MB / 394.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.907e-06/0.1385, allocations: 3.984 kB / 415.5 MB, free: 10.95 MB / 394.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006717/0.1392, allocations: 331.7 kB / 415.8 MB, free: 10.6 MB / 394.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 4.148e-05/0.1392, allocations: 15.88 kB / 415.9 MB, free: 10.59 MB / 394.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.085e-05/0.1393, allocations: 8 kB / 415.9 MB, free: 10.58 MB / 394.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002727/0.1395, allocations: 8 kB / 415.9 MB, free: 10.57 MB / 394.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002693/0.1398, allocations: 63.78 kB / 415.9 MB, free: 10.51 MB / 394.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.357e-05/0.1398, allocations: 11.97 kB / 415.9 MB, free: 10.5 MB / 394.7 MB
Notification: Performance of sorting global known variables: time 0.0001284/0.14, allocations: 155.2 kB / 416.1 MB, free: 10.34 MB / 394.7 MB
Notification: Performance of sort global known variables: time 6e-08/0.14, allocations: 0 / 416.1 MB, free: 10.34 MB / 394.7 MB
Notification: Performance of remove unused functions: time 0.0007574/0.1407, allocations: 135.9 kB / 416.2 MB, free: 10.21 MB / 394.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (13):
 * Single equations (assignments): 7
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 6
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.000246/0.141, allocations: 123.2 kB / 416.4 MB, free: 10.08 MB / 394.7 MB
Notification: Performance of simCode: created initialization part: time 0.01942/0.1604, allocations: 1.225 MB / 417.6 MB, free: 8.855 MB / 394.7 MB
Notification: Performance of simCode: created event and clocks part: time 6.342e-06/0.1604, allocations: 0 / 417.6 MB, free: 8.855 MB / 394.7 MB
Notification: Performance of simCode: created simulation system equations: time 0.01948/0.1799, allocations: 1.151 MB / 418.7 MB, free: 7.699 MB / 394.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003904/0.1803, allocations: 35.89 kB / 418.8 MB, free: 7.664 MB / 394.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001101/0.1814, allocations: 370.3 kB / 419.1 MB, free: 7.27 MB / 394.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001429/0.1815, allocations: 127.4 kB / 419.2 MB, free: 7.129 MB / 394.7 MB
Notification: Performance of simCode: alias equations: time 0.0001066/0.1816, allocations: 36.92 kB / 419.3 MB, free: 7.086 MB / 394.7 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 6.576e-05/0.1817, allocations: 16.5 kB / 419.3 MB, free: 7.07 MB / 394.7 MB
Notification: Performance of SimCode: time 1.232e-06/0.1817, allocations: 0 / 419.3 MB, free: 7.07 MB / 394.7 MB
Notification: Performance of Templates: time 0.01229/0.194, allocations: 6.315 MB / 425.6 MB, free: 0.8164 MB / 394.7 MB
"
[Timeout remaining time 660]
make -j1 -f ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.makefile [Timeout 660]
(rm -f ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.sim & ./ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.pipe 2>&1) [Timeout 240]
diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Plate/kc_overall_KC/kc_overall_KC.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_overall_KC.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: 5.57651658996474]