Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Heating.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_Heating,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Heating")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.275/5.275, allocations: 0.5623 GB / 0.5776 GB, free: 3.363 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 0.00245/0.002449, allocations: 359.2 kB / 0.6447 GB, free: 185.6 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 4.132/4.132, allocations: 410.7 MB / 1.113 GB, free: 147.9 MB / 0.5886 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001776/0.001776, allocations: 183.8 kB / 1.226 GB, free: 35.98 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0007597/0.00076, allocations: 15.98 kB / 1.349 GB, free: 121.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2462/0.247, allocations: 115.3 MB / 1.461 GB, free: 6.617 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Obsolete.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Heating): time 0.846/1.093, allocations: 106.6 MB / 1.565 GB, free: 21.21 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.05124/1.144, allocations: 24.4 MB / 1.589 GB, free: 7.281 MB / 0.6667 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.006045/1.151, allocations: 115.9 kB / 1.589 GB, free: 7.227 MB / 0.6667 GB
Notification: Performance of NFTyping.typeComponents: time 0.006415/1.157, allocations: 1.233 MB / 1.591 GB, free: 6.559 MB / 0.6667 GB
Notification: Performance of NFTyping.typeBindings: time 0.0163/1.173, allocations: 3.522 MB / 1.594 GB, free: 4.516 MB / 0.6667 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02079/1.194, allocations: 4.433 MB / 1.598 GB, free: 2.535 MB / 0.6667 GB
Notification: Performance of NFFlatten.flatten: time 0.01683/1.211, allocations: 8.116 MB / 1.606 GB, free: 14 MB / 0.6823 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005165/1.216, allocations: 2.023 MB / 1.608 GB, free: 12.78 MB / 0.6823 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.009467/1.226, allocations: 2.314 MB / 1.611 GB, free: 11.46 MB / 0.6823 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007116/1.233, allocations: 1.92 MB / 1.612 GB, free: 10.34 MB / 0.6823 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009981/1.234, allocations: 109.2 kB / 1.613 GB, free: 10.34 MB / 0.6823 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006226/1.24, allocations: 0.8632 MB / 1.613 GB, free: 9.934 MB / 0.6823 GB
Notification: Performance of NFScalarize.scalarize: time 0.00147/1.242, allocations: 475.2 kB / 1.614 GB, free: 9.578 MB / 0.6823 GB
Notification: Performance of NFVerifyModel.verify: time 0.001997/1.244, allocations: 0.6261 MB / 1.614 GB, free: 9.203 MB / 0.6823 GB
Notification: Performance of NFConvertDAE.convert: time 0.009833/1.254, allocations: 3.849 MB / 1.618 GB, free: 6.375 MB / 0.6823 GB
Notification: Performance of FrontEnd - DAE generated: time 1.31e-05/1.254, allocations: 4 kB / 1.618 GB, free: 6.371 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 3.436e-06/1.254, allocations: 0 / 1.618 GB, free: 6.371 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001492/1.254, allocations: 3.281 kB / 1.618 GB, free: 6.371 MB / 0.6823 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 0.01203/1.266, allocations: 2.843 MB / 1.621 GB, free: 4.34 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.902e-05/1.266, allocations: 9.938 kB / 1.621 GB, free: 4.34 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01321/1.279, allocations: 1.102 MB / 1.622 GB, free: 3.863 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009239/1.289, allocations: 2.387 MB / 1.624 GB, free: 1.977 MB / 0.6823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00025/1.289, allocations: 144.3 kB / 1.625 GB, free: 1.91 MB / 0.6823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008774/1.29, allocations: 193.2 kB / 1.625 GB, free: 1.848 MB / 0.6823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0126/1.302, allocations: 2.512 MB / 1.627 GB, free: 316 kB / 0.6823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001241/1.303, allocations: 11.83 kB / 1.627 GB, free: 304 kB / 0.6823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004734/1.303, allocations: 77.78 kB / 1.627 GB, free: 236 kB / 0.6823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001134/1.303, allocations: 48 kB / 1.627 GB, free: 188 kB / 0.6823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01231/1.316, allocations: 2.372 MB / 1.63 GB, free: 13.8 MB / 0.698 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 0.03105/1.347, allocations: 12.14 MB / 1.641 GB, free: 0.8203 MB / 0.698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01638/1.363, allocations: 2.339 MB / 1.644 GB, free: 14.46 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004473/1.368, allocations: 0.9406 MB / 1.645 GB, free: 13.52 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001945/1.37, allocations: 1.377 MB / 1.646 GB, free: 11.85 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.139e-05/1.37, allocations: 47.56 kB / 1.646 GB, free: 11.79 MB / 0.7136 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.002284/1.372, allocations: 234.7 kB / 1.646 GB, free: 11.56 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=105): time 6.021e-06/1.372, allocations: 0 / 1.646 GB, free: 11.56 MB / 0.7136 GB
Notification: Performance of matching and sorting (n=111): time 0.06916/1.441, allocations: 9.141 MB / 1.655 GB, free: 2.34 MB / 0.7136 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001304/1.441, allocations: 171.2 kB / 1.655 GB, free: 2.137 MB / 0.7136 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005621/1.447, allocations: 2.062 MB / 1.657 GB, free: 56 kB / 0.7136 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004785/1.448, allocations: 53.78 kB / 1.657 GB, free: 15.99 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001649/1.449, allocations: 1.191 MB / 1.659 GB, free: 14.79 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007635/1.45, allocations: 386.4 kB / 1.659 GB, free: 14.41 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001929/1.45, allocations: 32 kB / 1.659 GB, free: 14.38 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0002138/1.45, allocations: 361.9 kB / 1.659 GB, free: 14.02 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004867/1.455, allocations: 0.9017 MB / 1.66 GB, free: 13.11 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005363/1.461, allocations: 1.312 MB / 1.662 GB, free: 11.64 MB / 0.7292 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00508/1.466, allocations: 0.9861 MB / 1.662 GB, free: 10.66 MB / 0.7292 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.367e-05/1.466, allocations: 0 / 1.662 GB, free: 10.66 MB / 0.7292 GB
Notification: Performance of matching and sorting (n=182) (initialization): time 0.016/1.482, allocations: 3.018 MB / 1.665 GB, free: 7.621 MB / 0.7292 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003481/1.482, allocations: 375.3 kB / 1.666 GB, free: 7.121 MB / 0.7292 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.433e-05/1.482, allocations: 8 kB / 1.666 GB, free: 7.113 MB / 0.7292 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01199/1.494, allocations: 1.426 MB / 1.667 GB, free: 5.68 MB / 0.7292 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002978/1.497, allocations: 335.5 kB / 1.668 GB, free: 5.352 MB / 0.7292 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02448/1.522, allocations: 6.076 MB / 1.673 GB, free: 15.11 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005728/1.528, allocations: 383.3 kB / 1.674 GB, free: 14.74 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005565/1.528, allocations: 75.95 kB / 1.674 GB, free: 14.66 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.602e-05/1.528, allocations: 7.953 kB / 1.674 GB, free: 14.66 MB / 0.7448 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0117/1.54, allocations: 2.359 MB / 1.676 GB, free: 12.29 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.506e-05/1.54, allocations: 16 kB / 1.676 GB, free: 12.27 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.005207/1.545, allocations: 0.6695 MB / 1.677 GB, free: 11.6 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003591/1.549, allocations: 395.4 kB / 1.677 GB, free: 11.21 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02375/1.573, allocations: 6.772 MB / 1.684 GB, free: 4.172 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00508/1.578, allocations: 327.4 kB / 1.684 GB, free: 3.852 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004751/1.579, allocations: 75.95 kB / 1.684 GB, free: 3.777 MB / 0.7448 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 0.002108/1.581, allocations: 0.6207 MB / 1.685 GB, free: 3.148 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000847/1.582, allocations: 237.1 kB / 1.685 GB, free: 2.914 MB / 0.7448 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01201/1.594, allocations: 2.517 MB / 1.688 GB, free: 412 kB / 0.7448 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0102/1.604, allocations: 2.349 MB / 1.69 GB, free: 13.96 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.276e-05/1.604, allocations: 0 / 1.69 GB, free: 13.96 MB / 0.7605 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00205/1.606, allocations: 0.5251 MB / 1.69 GB, free: 13.42 MB / 0.7605 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008274/1.607, allocations: 24 kB / 1.69 GB, free: 13.39 MB / 0.7605 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004589/1.611, allocations: 310.9 kB / 1.691 GB, free: 13.09 MB / 0.7605 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003482/1.612, allocations: 76.84 kB / 1.691 GB, free: 13.02 MB / 0.7605 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 0.01312/1.625, allocations: 1.995 MB / 1.693 GB, free: 11.02 MB / 0.7605 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.