Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.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 0.001012/0.001012, allocations: 80.88 kB / 19.94 MB, free: 4.547 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 0.001068/0.001068, allocations: 181 kB / 23.36 MB, free: 1.133 MB / 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 0.9476/0.9476, allocations: 177.1 MB / 203.8 MB, free: 5.477 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:34:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:42:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.8077/0.8077, allocations: 154.9 MB / 415.2 MB, free: 204 kB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/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(IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet")
translateModel(IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.383e-06/1.383e-06, allocations: 0 / 480.5 MB, free: 6.422 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.266e-05/2.405e-05, allocations: 5.922 kB / 480.5 MB, free: 6.418 MB / 442.7 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet): time 0.1405/0.1405, allocations: 153.3 MB / 0.6189 GB, free: 13 MB / 0.5886 GB
Notification: Performance of NFInst.instExpressions: time 0.009829/0.1504, allocations: 5.126 MB / 0.6239 GB, free: 7.859 MB / 0.5886 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001359/0.1517, allocations: 95.12 kB / 0.624 GB, free: 7.766 MB / 0.5886 GB
Notification: Performance of NFTyping.typeComponents: time 0.001238/0.153, allocations: 0.6328 MB / 0.6246 GB, free: 7.129 MB / 0.5886 GB
Notification: Performance of NFTyping.typeBindings: time 0.002989/0.156, allocations: 1.791 MB / 0.6264 GB, free: 5.328 MB / 0.5886 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002521/0.1585, allocations: 1.587 MB / 0.6279 GB, free: 3.738 MB / 0.5886 GB
Notification: Performance of NFFlatten.flatten: time 0.00422/0.1627, allocations: 4.041 MB / 0.6319 GB, free: 15.68 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00176/0.1645, allocations: 1.119 MB / 0.6329 GB, free: 14.51 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002842/0.1673, allocations: 2.022 MB / 0.6349 GB, free: 12.48 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001223/0.1685, allocations: 1.129 MB / 0.636 GB, free: 11.35 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001484/0.1687, allocations: 132 kB / 0.6362 GB, free: 11.22 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0008995/0.1696, allocations: 499 kB / 0.6366 GB, free: 10.73 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.0004144/0.17, allocations: 0.658 MB / 0.6373 GB, free: 10.07 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.0005627/0.1705, allocations: 0.6819 MB / 0.6379 GB, free: 9.387 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.001822/0.1724, allocations: 1.763 MB / 0.6397 GB, free: 7.617 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 3.877e-06/0.1724, allocations: 4 kB / 0.6397 GB, free: 7.613 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 1.082e-06/0.1724, allocations: 0 / 0.6397 GB, free: 7.613 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 1.54e-05/0.1724, allocations: 0 / 0.6397 GB, free: 7.613 MB / 0.6042 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 338
 * Number of variables: 338
Notification: Performance of Generate backend data structure: time 0.002671/0.1751, allocations: 2.307 MB / 0.6419 GB, free: 5.262 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 3.627e-05/0.1751, allocations: 8.031 kB / 0.6419 GB, free: 5.254 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003587/0.1787, allocations: 1.274 MB / 0.6432 GB, free: 3.977 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001537/0.1802, allocations: 1.073 MB / 0.6442 GB, free: 2.852 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.32e-05/0.1803, allocations: 106.5 kB / 0.6443 GB, free: 2.746 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001456/0.1804, allocations: 132 kB / 0.6444 GB, free: 2.617 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001601/0.182, allocations: 1.336 MB / 0.6457 GB, free: 1.18 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.295e-05/0.1821, allocations: 3.938 kB / 0.6458 GB, free: 1.176 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.443e-05/0.1821, allocations: 52 kB / 0.6458 GB, free: 1.125 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.458e-05/0.1822, allocations: 62.47 kB / 0.6459 GB, free: 1.062 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008781/0.1831, allocations: 0.6428 MB / 0.6465 GB, free: 412 kB / 0.6042 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004655/0.1877, allocations: 4.637 MB / 0.651 GB, free: 11.62 MB / 0.6198 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0009599/0.1887, allocations: 0.7147 MB / 0.6517 GB, free: 10.89 MB / 0.6198 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003381/0.189, allocations: 274 kB / 0.652 GB, free: 10.63 MB / 0.6198 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000221/0.1892, allocations: 72.94 kB / 0.652 GB, free: 10.55 MB / 0.6198 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005236/0.1898, allocations: 467.4 kB / 0.6525 GB, free: 10.09 MB / 0.6198 GB
Notification: Performance of pre-optimization done (n=119): time 4.108e-06/0.1898, allocations: 0 / 0.6525 GB, free: 10.09 MB / 0.6198 GB
Notification: Performance of matching and sorting (n=119): time 0.001828/0.1916, allocations: 0.8183 MB / 0.6533 GB, free: 9.266 MB / 0.6198 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.037e-05/0.1916, allocations: 64.41 kB / 0.6534 GB, free: 9.191 MB / 0.6198 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001208/0.1928, allocations: 1.111 MB / 0.6544 GB, free: 8.059 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001121/0.193, allocations: 49.7 kB / 0.6545 GB, free: 8.004 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004794/0.1934, allocations: 0.5917 MB / 0.6551 GB, free: 7.402 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004309/0.1939, allocations: 424.3 kB / 0.6555 GB, free: 6.984 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003872/0.1943, allocations: 230.7 kB / 0.6557 GB, free: 6.754 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 0.0001234/0.1944, allocations: 357.8 kB / 0.656 GB, free: 6.398 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004534/0.1948, allocations: 173.3 kB / 0.6562 GB, free: 6.227 MB / 0.6198 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006979/0.1955, allocations: 0.6971 MB / 0.6569 GB, free: 5.359 MB / 0.6198 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001151/0.1967, allocations: 0.7059 MB / 0.6576 GB, free: 4.539 MB / 0.6198 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.784e-06/0.1967, allocations: 4 kB / 0.6576 GB, free: 4.535 MB / 0.6198 GB
Notification: Performance of matching and sorting (n=161) (initialization): time 0.001579/0.1983, allocations: 0.7559 MB / 0.6583 GB, free: 3.773 MB / 0.6198 GB
Notification: Performance of prepare postOptimizeDAE: time 2.452e-05/0.1983, allocations: 8 kB / 0.6583 GB, free: 3.766 MB / 0.6198 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.678e-05/0.1983, allocations: 11.94 kB / 0.6583 GB, free: 3.754 MB / 0.6198 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.805e-05/0.1983, allocations: 12 kB / 0.6583 GB, free: 3.742 MB / 0.6198 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001431/0.1998, allocations: 339.8 kB / 0.6587 GB, free: 3.41 MB / 0.6198 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.986e-05/0.1998, allocations: 19.92 kB / 0.6587 GB, free: 3.391 MB / 0.6198 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001053/0.2008, allocations: 163.1 kB / 0.6588 GB, free: 3.23 MB / 0.6198 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001322/0.201, allocations: 47.98 kB / 0.6589 GB, free: 3.184 MB / 0.6198 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 35
 * Number of states: 0 ()
 * Number of discrete variables: 15 ($PRE.setHeaHigPow.nextTimeEvent,$whenCondition3,$PRE.setCooLimPow.nextTimeEvent,$whenCondition2,$PRE.setHeaCooUnl.nextTimeEvent,$whenCondition1,setHeaCooUnl.nextTimeEventScaled,$PRE.setHeaCooUnl.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setCooLimPow.nextTimeEventScaled,$PRE.setCooLimPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,$PRE.setHeaHigPow.nextTimeEventScaled,setHeaHigPow.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (161):
 * Single equations (assignments): 161
 * 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 0.0004834/0.2015, allocations: 202.3 kB / 0.6591 GB, free: 2.977 MB / 0.6198 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002619/0.2017, allocations: 131.9 kB / 0.6592 GB, free: 2.848 MB / 0.6198 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001623/0.2033, allocations: 0.805 MB / 0.66 GB, free: 2.031 MB / 0.6198 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.114e-05/0.2034, allocations: 12 kB / 0.66 GB, free: 2.02 MB / 0.6198 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.086e-06/0.2034, allocations: 0 / 0.66 GB, free: 2.02 MB / 0.6198 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.344e-05/0.2034, allocations: 3.984 kB / 0.66 GB, free: 2.016 MB / 0.6198 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003662/0.207, allocations: 1.889 MB / 0.6618 GB, free: 15.98 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.367e-06/0.207, allocations: 8.188 kB / 0.6619 GB, free: 15.97 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00125/0.2083, allocations: 275.5 kB / 0.6621 GB, free: 15.7 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.361e-05/0.2083, allocations: 8 kB / 0.6621 GB, free: 15.7 MB / 0.6355 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001207/0.2084, allocations: 43.91 kB / 0.6622 GB, free: 15.65 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.388e-05/0.2084, allocations: 12 kB / 0.6622 GB, free: 15.64 MB / 0.6355 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.485e-06/0.2085, allocations: 15.94 kB / 0.6622 GB, free: 15.62 MB / 0.6355 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00221/0.2107, allocations: 1.295 MB / 0.6635 GB, free: 14.2 MB / 0.6355 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0005404/0.2112, allocations: 226.6 kB / 0.6637 GB, free: 13.98 MB / 0.6355 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000219/0.2114, allocations: 31.98 kB / 0.6637 GB, free: 13.95 MB / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008853/0.2123, allocations: 87.92 kB / 0.6638 GB, free: 13.86 MB / 0.6355 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002076/0.2125, allocations: 100.7 kB / 0.6639 GB, free: 13.76 MB / 0.6355 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001166/0.2126, allocations: 43.91 kB / 0.6639 GB, free: 13.72 MB / 0.6355 GB
Notification: Performance of sorting global known variables: time 0.0007155/0.2133, allocations: 0.562 MB / 0.6645 GB, free: 13.15 MB / 0.6355 GB
Notification: Performance of sort global known variables: time 1.3e-07/0.2133, allocations: 4 kB / 0.6645 GB, free: 13.15 MB / 0.6355 GB
Notification: Performance of remove unused functions: time 0.001519/0.2149, allocations: 0.5069 MB / 0.665 GB, free: 12.64 MB / 0.6355 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 29
 * Number of states: 6 (heaHigPow.T,heaHigPow.Xi,cooLimPow.T,cooLimPow.Xi,heaCooUnl.T,heaCooUnl.Xi)
 * Number of discrete variables: 9 ($whenCondition3,$whenCondition2,$whenCondition1,setHeaHigPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setCooLimPow.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled)
 * Number of discrete states: 6 (setHeaHigPow.nextTimeEvent,setCooLimPow.nextTimeEvent,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled,setCooLimPow.nextTimeEventScaled,setHeaHigPow.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (125):
 * Single equations (assignments): 119
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 6
 * 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 0.001883/0.2167, allocations: 0.5659 MB / 0.6655 GB, free: 12.35 MB / 0.6355 GB
Notification: Performance of simCode: created initialization part: time 0.001512/0.2183, allocations: 0.6437 MB / 0.6662 GB, free: 11.7 MB / 0.6355 GB
Notification: Performance of simCode: created event and clocks part: time 3.123e-05/0.2183, allocations: 23.25 kB / 0.6662 GB, free: 11.68 MB / 0.6355 GB
Notification: Performance of simCode: created simulation system equations: time 0.0007069/0.219, allocations: 354.1 kB / 0.6665 GB, free: 11.34 MB / 0.6355 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001847/0.2208, allocations: 0.7726 MB / 0.6673 GB, free: 10.6 MB / 0.6355 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005203/0.226, allocations: 3.437 MB / 0.6706 GB, free: 7.031 MB / 0.6355 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002449/0.2263, allocations: 354.8 kB / 0.671 GB, free: 6.664 MB / 0.6355 GB
Notification: Performance of simCode: alias equations: time 0.0009542/0.2272, allocations: 304.2 kB / 0.6713 GB, free: 6.363 MB / 0.6355 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001154/0.2284, allocations: 0.5302 MB / 0.6718 GB, free: 5.824 MB / 0.6355 GB
Notification: Performance of SimCode: time 1.272e-06/0.2284, allocations: 4 kB / 0.6718 GB, free: 5.82 MB / 0.6355 GB
Notification: Performance of Templates: time 0.2738/0.5022, allocations: 30.8 MB / 0.7019 GB, free: 76.16 MB / 0.6355 GB
"
[Timeout remaining time 659]
make -j1 -f IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.makefile [Timeout 660]
(rm -f IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.sim & ./IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.PrescribedOutlet.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.871010412927717]