Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.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 0.0008733/0.0008733, allocations: 75.77 kB / 21.18 MB, free: 3.383 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 0.0008946/0.0008946, allocations: 161 kB / 24.56 MB, free: 12 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 0.9512/0.9512, allocations: 177.1 MB / 205 MB, free: 5.594 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo): time 0.08501/0.08501, allocations: 19.73 MB / 281.2 MB, free: 9.223 MB / 266.7 MB " [Timeout remaining time 180] Using package ThermoPower with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/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(ThermoPower.Test.WaterComponents.TestSplitRev,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev") translateModel(ThermoPower.Test.WaterComponents.TestSplitRev,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.523e-06/1.523e-06, allocations: 0 / 358 MB, free: 7.645 MB / 330.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.515e-05/1.667e-05, allocations: 6.312 kB / 358 MB, free: 7.637 MB / 330.7 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestSplitRev): time 0.04759/0.0476, allocations: 46.03 MB / 404 MB, free: 9.445 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.01339/0.061, allocations: 8.546 MB / 412.6 MB, free: 0.8672 MB / 378.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009369/0.06194, allocations: 27.75 kB / 412.6 MB, free: 0.8398 MB / 378.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0008326/0.06277, allocations: 333.4 kB / 412.9 MB, free: 0.5117 MB / 378.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001023/0.06379, allocations: 0.6868 MB / 413.6 MB, free: 15.82 MB / 394.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01047/0.07426, allocations: 5.287 MB / 418.9 MB, free: 10.52 MB / 394.7 MB Notification: Performance of NFFlatten.flatten: time 0.002016/0.07628, allocations: 1.922 MB / 420.8 MB, free: 8.586 MB / 394.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008736/0.07715, allocations: 0.5993 MB / 421.4 MB, free: 7.969 MB / 394.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001288/0.07844, allocations: 0.9664 MB / 422.4 MB, free: 7 MB / 394.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006632/0.0791, allocations: 0.6075 MB / 423 MB, free: 6.391 MB / 394.7 MB Notification: Performance of NFPackage.collectConstants: time 9.402e-05/0.07919, allocations: 76 kB / 423 MB, free: 6.316 MB / 394.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.007854/0.08705, allocations: 5.822 MB / 428.9 MB, free: 500 kB / 394.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001849/0.08723, allocations: 195.2 kB / 429.1 MB, free: 304 kB / 394.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004599/0.08769, allocations: 359.3 kB / 429.4 MB, free: 15.94 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.007665/0.09536, allocations: 4.829 MB / 434.2 MB, free: 11.11 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.243e-06/0.09536, allocations: 0 / 434.2 MB, free: 11.11 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.763e-06/0.09537, allocations: 0 / 434.2 MB, free: 11.11 MB / 410.7 MB Notification: Performance of Transformations before backend: time 2.366e-05/0.09539, allocations: 0 / 434.2 MB, free: 11.11 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 174 * Number of variables: 174 Notification: Performance of Generate backend data structure: time 0.003143/0.09853, allocations: 1.813 MB / 436.1 MB, free: 9.223 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.124e-05/0.09857, allocations: 8.031 kB / 436.1 MB, free: 9.215 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003405/0.09892, allocations: 204.2 kB / 436.3 MB, free: 9.016 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005531/0.09947, allocations: 498.7 kB / 436.7 MB, free: 8.5 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.355e-05/0.0995, allocations: 50.38 kB / 436.8 MB, free: 8.453 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.317e-05/0.09957, allocations: 68.38 kB / 436.9 MB, free: 8.387 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00111/0.1007, allocations: 0.8821 MB / 437.7 MB, free: 7.418 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.645e-05/0.1007, allocations: 192 / 437.7 MB, free: 7.418 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.75e-05/0.1007, allocations: 39.92 kB / 437.8 MB, free: 7.379 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.531e-05/0.1008, allocations: 16 kB / 437.8 MB, free: 7.363 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006665/0.1014, allocations: 411.3 kB / 438.2 MB, free: 6.961 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002679/0.1041, allocations: 3.623 MB / 441.8 MB, free: 3.211 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006906/0.1048, allocations: 433.7 kB / 442.3 MB, free: 2.762 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001634/0.105, allocations: 119.3 kB / 442.4 MB, free: 2.637 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.1585/0.2635, allocations: 17.53 MB / 459.9 MB, free: 103.4 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006255/0.2641, allocations: 390.9 kB / 460.3 MB, free: 103.3 MB / 410.7 MB Notification: Performance of pre-optimization done (n=42): time 2.214e-06/0.2641, allocations: 0 / 460.3 MB, free: 103.3 MB / 410.7 MB Notification: Performance of matching and sorting (n=42): time 0.001133/0.2652, allocations: 0.6663 MB / 460.9 MB, free: 103.2 MB / 410.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.232e-05/0.2652, allocations: 86.88 kB / 461 MB, free: 103.1 MB / 410.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002838/0.2655, allocations: 490.9 kB / 461.5 MB, free: 103 MB / 410.7 MB Notification: Performance of collectPreVariables (initialization): time 3.866e-05/0.2656, allocations: 42.27 kB / 461.5 MB, free: 102.9 MB / 410.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001756/0.2657, allocations: 442.1 kB / 462 MB, free: 102.8 MB / 410.7 MB Notification: Performance of collectInitialBindings (initialization): time 7.575e-05/0.2658, allocations: 138.6 kB / 462.1 MB, free: 102.7 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001173/0.2659, allocations: 108.5 kB / 462.2 MB, free: 102.7 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 8.028e-05/0.266, allocations: 0.5344 MB / 462.8 MB, free: 102.2 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001956/0.2662, allocations: 208.5 kB / 463 MB, free: 102.1 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002026/0.2664, allocations: 329.9 kB / 463.3 MB, free: 101.8 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003316/0.2667, allocations: 405.7 kB / 463.7 MB, free: 101.5 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.488e-06/0.2668, allocations: 2.875 kB / 463.7 MB, free: 101.5 MB / 410.7 MB Notification: Performance of matching and sorting (n=60) (initialization): time 0.0005816/0.2673, allocations: 0.646 MB / 464.3 MB, free: 101.2 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.039e-05/0.2674, allocations: 119.4 kB / 464.4 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.484e-06/0.2674, allocations: 6.625 kB / 464.4 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.802e-05/0.2674, allocations: 2.844 kB / 464.5 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003094/0.2677, allocations: 121.9 kB / 464.6 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.096e-06/0.2677, allocations: 5.969 kB / 464.6 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000281/0.268, allocations: 85.36 kB / 464.7 MB, free: 101.1 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.345e-05/0.268, allocations: 23.53 kB / 464.7 MB, free: 101.1 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002297/0.2683, allocations: 321.5 kB / 465 MB, free: 100.8 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001844/0.2684, allocations: 334.7 kB / 465.3 MB, free: 100.5 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002813/0.2687, allocations: 420.1 kB / 465.7 MB, free: 100.2 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.014e-06/0.2687, allocations: 0 / 465.7 MB, free: 100.2 MB / 410.7 MB Notification: Performance of matching and sorting (n=60) (initialization_lambda0): time 0.0005141/0.2692, allocations: 0.6215 MB / 466.4 MB, free: 99.88 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.926e-05/0.2693, allocations: 122.5 kB / 466.5 MB, free: 99.75 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.087e-06/0.2693, allocations: 9.875 kB / 466.5 MB, free: 99.75 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 5.58e-06/0.2693, allocations: 5.938 kB / 466.5 MB, free: 99.75 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002361/0.2695, allocations: 114.1 kB / 466.6 MB, free: 99.75 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.478e-06/0.2695, allocations: 12 kB / 466.6 MB, free: 99.75 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002172/0.2697, allocations: 78.5 kB / 466.7 MB, free: 99.74 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.696e-05/0.2698, allocations: 24.81 kB / 466.7 MB, free: 99.73 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 26 (Sine4.count,$PRE.Sine4.count,Sine4.T_start,$PRE.Sine4.T_start,Sine3.count,$PRE.Sine3.count,Sine3.T_start,$PRE.Sine3.T_start,$whenCondition3,$whenCondition4,Sine2.count,$PRE.Sine2.count,Sine2.T_start,$PRE.Sine2.T_start,Sine1.count,$PRE.Sine1.count,Sine1.T_start,$PRE.Sine1.T_start,$whenCondition1,$whenCondition2,T3.fluidState.phase,T2.fluidState.phase,T1.fluidState.phase,T6.fluidState.phase,T5.fluidState.phase,T4.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (56): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 4 * 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 0.0001347/0.2699, allocations: 305.5 kB / 467 MB, free: 99.47 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.831e-05/0.27, allocations: 79.11 kB / 467.1 MB, free: 99.43 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008277/0.2708, allocations: 1.055 MB / 468.1 MB, free: 99.25 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.674e-05/0.2708, allocations: 26.97 kB / 468.2 MB, free: 99.25 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.729e-06/0.2708, allocations: 3.625 kB / 468.2 MB, free: 99.25 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.24e-06/0.2708, allocations: 7.328 kB / 468.2 MB, free: 99.24 MB / 410.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001035/0.2719, allocations: 1.295 MB / 469.5 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.059e-06/0.2719, allocations: 0 / 469.5 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002186/0.2721, allocations: 83.62 kB / 469.6 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.208e-06/0.2721, allocations: 5.969 kB / 469.6 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.333e-05/0.2721, allocations: 13.95 kB / 469.6 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.256e-06/0.2721, allocations: 3.25 kB / 469.6 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.873e-06/0.2721, allocations: 0 / 469.6 MB, free: 98.89 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006233/0.2727, allocations: 0.8234 MB / 470.4 MB, free: 98.58 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000132/0.2729, allocations: 135.6 kB / 470.5 MB, free: 98.53 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.191e-05/0.2729, allocations: 10.59 kB / 470.5 MB, free: 98.53 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002102/0.2731, allocations: 46.73 kB / 470.6 MB, free: 98.53 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001405/0.2733, allocations: 89.7 kB / 470.7 MB, free: 98.53 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.327e-05/0.2733, allocations: 14.16 kB / 470.7 MB, free: 98.53 MB / 410.7 MB Notification: Performance of sorting global known variables: time 0.0001705/0.2735, allocations: 321.6 kB / 471 MB, free: 98.39 MB / 410.7 MB Notification: Performance of sort global known variables: time 8e-08/0.2735, allocations: 0 / 471 MB, free: 98.39 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.002192/0.2757, allocations: 1.164 MB / 472.2 MB, free: 98.26 MB / 410.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 24 ($cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.phase,$cse6.region,$whenCondition2,$whenCondition1,Sine1.T_start,Sine1.count,Sine2.T_start,Sine2.count,$cse1.phase,$cse1.region,$cse2.phase,$cse2.region,$cse3.phase,$cse3.region,$whenCondition4,$whenCondition3,Sine3.T_start,Sine3.count,Sine4.T_start,Sine4.count) * Number of discrete states: 4 (Sine3.count,Sine4.count,Sine2.count,Sine1.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 8 * 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 0.003003/0.2787, allocations: 1.076 MB / 473.3 MB, free: 98.05 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.001008/0.2797, allocations: 1.179 MB / 474.4 MB, free: 97.27 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 3.115e-06/0.2797, allocations: 0 / 474.4 MB, free: 97.27 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0003401/0.28, allocations: 263.1 kB / 474.7 MB, free: 97.25 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008402/0.2809, allocations: 279.8 kB / 475 MB, free: 97.22 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002111/0.283, allocations: 1.63 MB / 476.6 MB, free: 96.49 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000117/0.2831, allocations: 184.9 kB / 476.8 MB, free: 96.41 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0004969/0.2836, allocations: 367.7 kB / 477.1 MB, free: 96.39 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001617/0.2837, allocations: 64.56 kB / 477.2 MB, free: 96.38 MB / 410.7 MB Notification: Performance of SimCode: time 1.613e-06/0.2837, allocations: 0 / 477.2 MB, free: 96.38 MB / 410.7 MB Notification: Performance of Templates: time 0.03904/0.3228, allocations: 46.67 MB / 0.5116 GB, free: 61.44 MB / 410.7 MB " [Timeout remaining time 660] make -j1 -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.makefile [Timeout 660] (rm -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.pipe ; mkfifo ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.pipe ; head -c 1048576 < ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.pipe >> ../files/ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.sim & ./ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestSplitRev.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.1462680120021105]