Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Chemical_master_Chemical.Boundaries.Tests.TestExternalSubstance.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 0.0009505/0.0009505, allocations: 92.2 kB / 20.19 MB, free: 4.363 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 0.001262/0.001262, allocations: 173 kB / 23.5 MB, free: 1.059 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 1.005/1.005, allocations: 177.1 MB / 203.8 MB, free: 5.652 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/package.mo): time 0.08872/0.08872, allocations: 17.47 MB / 277.7 MB, free: 11.62 MB / 266.7 MB " [Timeout remaining time 180] Using package Chemical with version 2.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 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(Chemical.Boundaries.Tests.TestExternalSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="Chemical_master_Chemical.Boundaries.Tests.TestExternalSubstance") translateModel(Chemical.Boundaries.Tests.TestExternalSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="Chemical_master_Chemical.Boundaries.Tests.TestExternalSubstance") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.202e-06/1.202e-06, allocations: 0 / 353.6 MB, free: 10.2 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.543e-05/2.663e-05, allocations: 9.203 kB / 353.6 MB, free: 10.19 MB / 282.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/Interfaces.mo:1586:5-1586:64:writable] Warning: An inner declaration for outer component system could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/Interfaces.mo:1586:5-1586:64:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"system\" component but an inner \"system\" component is not defined. For simulation drag Modelica.Fluid.System into your model to specify system properties. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/Boundaries.mo:1361:7-1361:76:writable] Warning: An inner declaration for outer component dropOfCommons could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical master/Boundaries.mo:1361:7-1361:76:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"dropOfCommons\" component but an inner \"dropOfCommons\" component is not defined. Use Chemical.DropOfCommons in your model to specify system properties. Notification: Performance of NFInst.instantiate(Chemical.Boundaries.Tests.TestExternalSubstance): time 0.04419/0.04422, allocations: 52.51 MB / 406.1 MB, free: 5.719 MB / 330.7 MB Notification: Performance of NFInst.instExpressions: time 0.1736/0.2178, allocations: 14.05 MB / 420.1 MB, free: 33.62 MB / 330.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.007485/0.2253, allocations: 195.8 kB / 420.3 MB, free: 33.62 MB / 330.7 MB Notification: Performance of NFTyping.typeComponents: time 0.006294/0.2316, allocations: 2.051 MB / 422.4 MB, free: 33.55 MB / 330.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01087/0.2425, allocations: 3.249 MB / 425.6 MB, free: 32.27 MB / 330.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.006058/0.2485, allocations: 2.063 MB / 427.7 MB, free: 31.29 MB / 330.7 MB Notification: Performance of NFFlatten.flatten: time 0.01161/0.2602, allocations: 7.879 MB / 435.6 MB, free: 27.2 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00276/0.2629, allocations: 1.761 MB / 437.3 MB, free: 26.22 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.009715/0.2726, allocations: 4.647 MB / 442 MB, free: 23.47 MB / 330.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006867/0.2795, allocations: 3.309 MB / 445.3 MB, free: 21.88 MB / 330.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002428/0.2819, allocations: 0.7276 MB / 446 MB, free: 21.88 MB / 330.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006001/0.2879, allocations: 1.894 MB / 447.9 MB, free: 20.95 MB / 330.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001897/0.2898, allocations: 2.39 MB / 450.3 MB, free: 18.66 MB / 330.7 MB Notification: Performance of NFVerifyModel.verify: time 0.005893/0.2957, allocations: 2.713 MB / 453 MB, free: 16.05 MB / 330.7 MB Notification: Performance of NFConvertDAE.convert: time 0.01138/0.3071, allocations: 8.239 MB / 461.2 MB, free: 8.406 MB / 330.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.164e-06/0.3071, allocations: 0 / 461.2 MB, free: 8.406 MB / 330.7 MB Notification: Performance of FrontEnd: time 1.824e-06/0.3071, allocations: 0 / 461.2 MB, free: 8.406 MB / 330.7 MB Notification: Performance of Transformations before backend: time 0.0002819/0.3074, allocations: 2.656 kB / 461.2 MB, free: 8.406 MB / 330.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2385 * Number of variables: 2385 Notification: Performance of Generate backend data structure: time 0.008422/0.3158, allocations: 9.441 MB / 470.7 MB, free: 14.98 MB / 346.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.553e-05/0.3159, allocations: 12.03 kB / 470.7 MB, free: 14.97 MB / 346.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003845/0.3197, allocations: 3.477 MB / 474.2 MB, free: 11.51 MB / 346.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004762/0.3245, allocations: 4.408 MB / 478.6 MB, free: 7.113 MB / 346.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005889/0.3251, allocations: 0.9824 MB / 479.6 MB, free: 6.062 MB / 346.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006213/0.3257, allocations: 0.756 MB / 480.3 MB, free: 5.324 MB / 346.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01178/0.3375, allocations: 10.32 MB / 490.6 MB, free: 10.69 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001095/0.3376, allocations: 16.05 kB / 490.7 MB, free: 10.67 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003808/0.3379, allocations: 324.5 kB / 491 MB, free: 10.37 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008193/0.3388, allocations: 1.172 MB / 492.2 MB, free: 9.191 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01575/0.3545, allocations: 12.06 MB / 0.4924 GB, free: 13.1 MB / 378.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04436/0.3989, allocations: 40.57 MB / 0.532 GB, free: 4.27 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00491/0.4038, allocations: 1.804 MB / 0.5338 GB, free: 2.438 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002245/0.406, allocations: 0.9337 MB / 0.5347 GB, free: 1.488 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01472/0.4208, allocations: 10.28 MB / 0.5447 GB, free: 7.262 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.011e-05/0.4208, allocations: 58.64 kB / 0.5448 GB, free: 7.195 MB / 426.7 MB Notification: Performance of pre-optimization done (n=226): time 4.429e-06/0.4208, allocations: 0 / 0.5448 GB, free: 7.195 MB / 426.7 MB Notification: Performance of matching and sorting (n=290): time 0.06188/0.4827, allocations: 22.96 MB / 0.5672 GB, free: 204 kB / 442.7 MB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of inlineWhenForInitialization (initialization): time 0.2604/0.743, allocations: 0.9221 MB / 0.5681 GB, free: 150 MB / 442.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003901/0.7469, allocations: 3.532 MB / 0.5716 GB, free: 149.7 MB / 442.8 MB Notification: Performance of collectPreVariables (initialization): time 0.0009704/0.7479, allocations: 72.39 kB / 0.5716 GB, free: 149.6 MB / 442.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.002305/0.7502, allocations: 4.503 MB / 0.576 GB, free: 149.2 MB / 442.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.001361/0.7516, allocations: 1.028 MB / 0.577 GB, free: 148.6 MB / 442.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001916/0.7535, allocations: 1.211 MB / 0.5782 GB, free: 148.6 MB / 442.8 MB Notification: Performance of setup shared object (initialization): time 4.213e-05/0.7535, allocations: 476.8 kB / 0.5787 GB, free: 148.1 MB / 442.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00314/0.7567, allocations: 1.404 MB / 0.58 GB, free: 148 MB / 442.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003766/0.7604, allocations: 3.443 MB / 0.5834 GB, free: 145.2 MB / 442.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01015/0.7706, allocations: 6.944 MB / 0.5902 GB, free: 141.4 MB / 442.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.974e-05/0.7706, allocations: 15.69 kB / 0.5902 GB, free: 141.4 MB / 442.8 MB Notification: Performance of matching and sorting (n=508) (initialization): time 0.01188/0.7825, allocations: 6.024 MB / 0.5961 GB, free: 139.7 MB / 442.8 MB Notification: Performance of prepare postOptimizeDAE: time 4.64e-05/0.7826, allocations: 23.66 kB / 0.5961 GB, free: 139.7 MB / 442.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.788e-05/0.7826, allocations: 49.19 kB / 0.5962 GB, free: 139.7 MB / 442.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00322/0.7859, allocations: 1.127 MB / 0.5973 GB, free: 139.5 MB / 442.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01903/0.8049, allocations: 3.32 MB / 0.6005 GB, free: 137.1 MB / 442.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01118/0.8161, allocations: 29.77 MB / 0.6296 GB, free: 106 MB / 442.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004296/0.8204, allocations: 221 kB / 0.6298 GB, free: 105.8 MB / 442.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00113/0.8215, allocations: 0.7834 MB / 0.6305 GB, free: 105.1 MB / 442.8 MB Warning: Assuming fixed start value for the following 8 variables: boundaryFore2.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear1.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore3.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear3.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear2.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear4.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore1.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 212 * Number of states: 0 () * Number of discrete variables: 6 (solvent.substanceDefinitionVar.SelfClustering,solvent.substanceDefinitionVar.data.phase,externalSubstance2.substanceDefinitionVar.SelfClustering,externalSubstance2.substanceDefinitionVar.data.phase,externalIdealGas.substanceDefinitionVar.SelfClustering,externalIdealGas.substanceDefinitionVar.data.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (480): * Single equations (assignments): 463 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 11 * 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: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 9 systems {(1,1,100.0%), (1,1,100.0%), (2,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,16), (2,1)} Notification: Performance of prepare postOptimizeDAE: time 0.003085/0.8246, allocations: 463.2 kB / 0.631 GB, free: 104.7 MB / 442.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001588/0.8262, allocations: 0.5545 MB / 0.6315 GB, free: 104.1 MB / 442.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0122/0.8384, allocations: 7.217 MB / 0.6386 GB, free: 97.79 MB / 442.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.899e-05/0.8384, allocations: 35.97 kB / 0.6386 GB, free: 97.75 MB / 442.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.568e-05/0.8384, allocations: 4 kB / 0.6386 GB, free: 97.75 MB / 442.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.781e-05/0.8384, allocations: 11.95 kB / 0.6386 GB, free: 97.74 MB / 442.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0235/0.8619, allocations: 15.29 MB / 0.6536 GB, free: 82.25 MB / 442.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.867e-05/0.8619, allocations: 8 kB / 0.6536 GB, free: 82.24 MB / 442.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01558/0.8775, allocations: 2.484 MB / 0.656 GB, free: 79.81 MB / 442.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003317/0.8808, allocations: 1.196 MB / 0.6572 GB, free: 78.6 MB / 442.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005621/0.8814, allocations: 155.8 kB / 0.6573 GB, free: 78.45 MB / 442.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00968/0.8911, allocations: 29.96 MB / 0.6866 GB, free: 46.55 MB / 442.8 MB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.0003087/0.8914, allocations: 0.7656 MB / 0.6873 GB, free: 45.76 MB / 442.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00811/0.8995, allocations: 5.27 MB / 0.6925 GB, free: 40.16 MB / 442.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007151/0.9002, allocations: 371.1 kB / 0.6928 GB, free: 39.8 MB / 442.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006035/0.9008, allocations: 79.77 kB / 0.6929 GB, free: 39.72 MB / 442.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001371/0.9022, allocations: 90.66 kB / 0.693 GB, free: 39.64 MB / 442.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005683/0.9028, allocations: 321.2 kB / 0.6933 GB, free: 39.32 MB / 442.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002557/0.903, allocations: 267.9 kB / 0.6935 GB, free: 39.06 MB / 442.8 MB Notification: Performance of sorting global known variables: time 0.00266/0.9057, allocations: 2.81 MB / 0.6963 GB, free: 36.25 MB / 442.8 MB Notification: Performance of sort global known variables: time 9e-08/0.9057, allocations: 0 / 0.6963 GB, free: 36.25 MB / 442.8 MB Notification: Performance of remove unused functions: time 0.004673/0.9103, allocations: 1.746 MB / 0.698 GB, free: 34.52 MB / 442.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 44 * Number of states: 10 (boundaryFore1.rear.n_flow,boundaryRear1.fore.n_flow,boundaryFore2.rear.n_flow,boundaryRear4.fore.n_flow,$STATESET1.x,boundaryFore.rear.n_flow,boundaryRear2.fore.n_flow,boundaryRear3.fore.n_flow,boundaryFore3.rear.n_flow,solvent.logm) * 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 (252): * Single equations (assignments): 235 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 11 * 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: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 9 systems {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (2,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,18), (3,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008093/0.9112, allocations: 492.8 kB / 0.6985 GB, free: 34.15 MB / 442.8 MB Notification: Performance of simCode: created initialization part: time 0.01201/0.9232, allocations: 6.147 MB / 0.7045 GB, free: 27.86 MB / 442.8 MB Notification: Performance of simCode: created event and clocks part: time 6.533e-06/0.9232, allocations: 0 / 0.7045 GB, free: 27.86 MB / 442.8 MB Notification: Performance of simCode: created simulation system equations: time 0.007805/0.931, allocations: 3.953 MB / 0.7083 GB, free: 23.76 MB / 442.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003148/0.9341, allocations: 1.114 MB / 0.7094 GB, free: 22.73 MB / 442.8 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4695:9-4695:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:856:5-856:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed] " [Timeout remaining time 659] [Calling sys.exit(0), Time elapsed: 2.7135511939413846]