Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling.conf.json
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 9.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.284/5.284, allocations: 0.5623 GB / 0.5776 GB, free: 3.309 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002476/0.002476, allocations: 355 kB / 0.6447 GB, free: 185.7 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.315/4.315, allocations: 410.7 MB / 1.113 GB, free: 6.039 MB / 0.6042 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001831/0.001831, allocations: 188.8 kB / 1.226 GB, free: 6.145 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005248/0.0005252, allocations: 12 kB / 1.349 GB, free: 8.281 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7623/0.7628, allocations: 115.3 MB / 1.461 GB, free: 284.4 MB / 0.8542 GB
Notification: Performance of NFInst.instantiate(Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling): time 0.1353/0.8982, allocations: 106.7 MB / 1.566 GB, free: 177.8 MB / 0.8542 GB
Notification: Performance of NFInst.instExpressions: time 0.04519/0.9435, allocations: 24.41 MB / 1.589 GB, free: 153.3 MB / 0.8542 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.005222/0.9487, allocations: 115.1 kB / 1.589 GB, free: 153.2 MB / 0.8542 GB
Notification: Performance of NFTyping.typeComponents: time 0.006121/0.9549, allocations: 1.23 MB / 1.591 GB, free: 152 MB / 0.8542 GB
Notification: Performance of NFTyping.typeBindings: time 0.01506/0.97, allocations: 3.524 MB / 1.594 GB, free: 148.4 MB / 0.8542 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01806/0.9882, allocations: 4.425 MB / 1.598 GB, free: 144.2 MB / 0.8542 GB
Notification: Performance of NFFlatten.flatten: time 0.01282/1.001, allocations: 8.112 MB / 1.606 GB, free: 136 MB / 0.8542 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005311/1.006, allocations: 2.035 MB / 1.608 GB, free: 134 MB / 0.8542 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.007351/1.014, allocations: 2.301 MB / 1.611 GB, free: 131.7 MB / 0.8542 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004744/1.019, allocations: 1.925 MB / 1.612 GB, free: 129.8 MB / 0.8542 GB
Notification: Performance of NFPackage.collectConstants: time 0.001026/1.02, allocations: 104 kB / 1.613 GB, free: 129.7 MB / 0.8542 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004793/1.025, allocations: 0.8728 MB / 1.613 GB, free: 128.8 MB / 0.8542 GB
Notification: Performance of NFScalarize.scalarize: time 0.00146/1.026, allocations: 473.7 kB / 1.614 GB, free: 128.3 MB / 0.8542 GB
Notification: Performance of NFVerifyModel.verify: time 0.00177/1.028, allocations: 0.6251 MB / 1.615 GB, free: 127.7 MB / 0.8542 GB
Notification: Performance of NFConvertDAE.convert: time 0.006749/1.035, allocations: 3.842 MB / 1.618 GB, free: 123.8 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 7.614e-06/1.035, allocations: 4 kB / 1.618 GB, free: 123.8 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.805e-06/1.035, allocations: 0 / 1.618 GB, free: 123.8 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0001687/1.035, allocations: 0 / 1.618 GB, free: 123.8 MB / 0.8542 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 470
 * Number of variables: 470
Notification: Performance of Generate backend data structure: time 0.008943/1.044, allocations: 2.85 MB / 1.621 GB, free: 120.9 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 6.058e-05/1.044, allocations: 15.61 kB / 1.621 GB, free: 120.9 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009767/1.054, allocations: 1.101 MB / 1.622 GB, free: 119.8 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00739/1.061, allocations: 2.378 MB / 1.624 GB, free: 117.4 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001634/1.061, allocations: 143.7 kB / 1.625 GB, free: 117.2 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006704/1.062, allocations: 192 kB / 1.625 GB, free: 117 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.009416/1.072, allocations: 2.519 MB / 1.627 GB, free: 114.4 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.169e-05/1.072, allocations: 11.89 kB / 1.627 GB, free: 114.4 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003542/1.072, allocations: 76 kB / 1.627 GB, free: 114.3 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.732e-05/1.072, allocations: 51.94 kB / 1.627 GB, free: 114.3 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01117/1.083, allocations: 2.371 MB / 1.63 GB, free: 111.9 MB / 0.8542 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 0.02596/1.109, allocations: 12.13 MB / 1.642 GB, free: 98.92 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01252/1.122, allocations: 2.111 MB / 1.644 GB, free: 96.8 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004117/1.126, allocations: 0.9474 MB / 1.645 GB, free: 95.86 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.00149/1.128, allocations: 1.377 MB / 1.646 GB, free: 94.18 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.228e-05/1.128, allocations: 47.52 kB / 1.646 GB, free: 94.13 MB / 0.8542 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.002174/1.13, allocations: 226.7 kB / 1.646 GB, free: 93.91 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=105): time 8.265e-06/1.13, allocations: 0 / 1.646 GB, free: 93.91 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=111): time 0.06509/1.195, allocations: 9.16 MB / 1.655 GB, free: 84.68 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.396e-05/1.195, allocations: 167.2 kB / 1.655 GB, free: 84.47 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004395/1.2, allocations: 2.066 MB / 1.657 GB, free: 82.39 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004046/1.2, allocations: 49.7 kB / 1.657 GB, free: 82.33 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001132/1.201, allocations: 1.191 MB / 1.658 GB, free: 81.12 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005915/1.202, allocations: 390.4 kB / 1.659 GB, free: 80.74 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001694/1.202, allocations: 24 kB / 1.659 GB, free: 80.71 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.000125/1.202, allocations: 365.9 kB / 1.659 GB, free: 80.35 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004466/1.207, allocations: 0.8979 MB / 1.66 GB, free: 79.45 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004903/1.212, allocations: 1.308 MB / 1.661 GB, free: 77.98 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00471/1.216, allocations: 0.9861 MB / 1.662 GB, free: 77 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.282e-05/1.216, allocations: 0 / 1.662 GB, free: 77 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=182) (initialization): time 0.01493/1.231, allocations: 3.003 MB / 1.665 GB, free: 73.98 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00025/1.232, allocations: 379.4 kB / 1.666 GB, free: 73.48 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.309e-05/1.232, allocations: 23.92 kB / 1.666 GB, free: 73.46 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01145/1.243, allocations: 1.428 MB / 1.667 GB, free: 72.03 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002841/1.246, allocations: 339.5 kB / 1.667 GB, free: 71.7 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.023/1.269, allocations: 6.063 MB / 1.673 GB, free: 65.49 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005544/1.275, allocations: 383.3 kB / 1.674 GB, free: 65.11 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004708/1.275, allocations: 75.95 kB / 1.674 GB, free: 65.04 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.292e-05/1.275, allocations: 4 kB / 1.674 GB, free: 65.04 MB / 0.8542 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01053/1.286, allocations: 2.359 MB / 1.676 GB, free: 62.67 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.025e-05/1.286, allocations: 12 kB / 1.676 GB, free: 62.66 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.004868/1.291, allocations: 0.6895 MB / 1.677 GB, free: 61.96 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003397/1.294, allocations: 399.4 kB / 1.677 GB, free: 61.57 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02094/1.315, allocations: 6.771 MB / 1.684 GB, free: 54.55 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004968/1.32, allocations: 327.4 kB / 1.684 GB, free: 54.23 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003598/1.321, allocations: 71.97 kB / 1.684 GB, free: 54.16 MB / 0.8542 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 42
 * 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 (127):
 * Single equations (assignments): 125
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {2 16,3 36}
Notification: Performance of prepare postOptimizeDAE: time 0.001798/1.322, allocations: 0.6218 MB / 1.685 GB, free: 53.53 MB / 0.8542 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006596/1.323, allocations: 233 kB / 1.685 GB, free: 53.3 MB / 0.8542 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01053/1.334, allocations: 2.508 MB / 1.687 GB, free: 50.8 MB / 0.8542 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.008878/1.343, allocations: 2.349 MB / 1.69 GB, free: 48.36 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.132e-05/1.343, allocations: 0 / 1.69 GB, free: 48.36 MB / 0.8542 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001752/1.344, allocations: 0.529 MB / 1.69 GB, free: 47.81 MB / 0.8542 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006002/1.345, allocations: 20 kB / 1.69 GB, free: 47.79 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004242/1.349, allocations: 307.5 kB / 1.69 GB, free: 47.49 MB / 0.8542 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002976/1.35, allocations: 76.84 kB / 1.691 GB, free: 47.41 MB / 0.8542 GB
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 <failed> postOpt createDAEmodeBDAE (simulation): time 0.01213/1.362, allocations: 1.991 MB / 1.692 GB, free: 45.42 MB / 0.8542 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.