Running command: translateModel(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u")
Notification: Performance of loadModel(Buildings): time 4.391/4.391, allocations: 431.3 MB / 445.8 MB, free: 5.453 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.401e-05/3.392e-05, allocations: 7.984 kB / 0.5354 GB, free: 14.87 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.593/0.5931, allocations: 98.7 MB / 0.6318 GB, free: 12.01 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.HeaterCooler_u): time 0.9146/1.508, allocations: 201.8 MB / 0.8288 GB, free: 14.11 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.01844/1.526, allocations: 8.782 MB / 0.8374 GB, free: 13.98 MB / 0.6667 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002829/1.529, allocations: 92.25 kB / 0.8375 GB, free: 13.98 MB / 0.6667 GB
Notification: Performance of NFTyping.typeComponents: time 0.003485/1.533, allocations: 0.8254 MB / 0.8383 GB, free: 13.96 MB / 0.6667 GB
Notification: Performance of NFTyping.typeBindings: time 0.009841/1.543, allocations: 2.479 MB / 0.8407 GB, free: 13.91 MB / 0.6667 GB
Notification: Performance of NFTyping.typeClassSections: time 0.007109/1.55, allocations: 1.719 MB / 0.8424 GB, free: 13.83 MB / 0.6667 GB
Notification: Performance of NFFlatten.flatten: time 0.006001/1.556, allocations: 1.981 MB / 0.8443 GB, free: 13.82 MB / 0.6667 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002339/1.558, allocations: 0.9639 MB / 0.8453 GB, free: 13.75 MB / 0.6667 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004468/1.563, allocations: 1.33 MB / 0.8466 GB, free: 13.74 MB / 0.6667 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002234/1.565, allocations: 0.7771 MB / 0.8473 GB, free: 13.73 MB / 0.6667 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005601/1.571, allocations: 1.547 MB / 0.8489 GB, free: 13.72 MB / 0.6667 GB
Notification: Performance of NFPackage.collectConstants: time 0.001073/1.572, allocations: 91.86 kB / 0.8489 GB, free: 13.72 MB / 0.6667 GB
Notification: Performance of NFScalarize.scalarize: time 0.0008378/1.573, allocations: 429.4 kB / 0.8493 GB, free: 13.72 MB / 0.6667 GB
Notification: Performance of NFVerifyModel.verify: time 0.001081/1.574, allocations: 179.5 kB / 0.8495 GB, free: 13.71 MB / 0.6667 GB
Notification: Performance of NFConvertDAE.convert: time 0.005288/1.579, allocations: 2.361 MB / 0.8518 GB, free: 13.52 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 5.34e-06/1.579, allocations: 0 / 0.8518 GB, free: 13.52 MB / 0.6667 GB
Notification: Performance of FrontEnd: time 3.476e-06/1.579, allocations: 3.938 kB / 0.8518 GB, free: 13.52 MB / 0.6667 GB
Notification: Performance of Transformations before backend: time 0.0001051/1.579, allocations: 0 / 0.8518 GB, free: 13.52 MB / 0.6667 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 296
 * Number of variables: 296
Notification: Performance of Generate backend data structure: time 0.004794/1.584, allocations: 1.819 MB / 0.8536 GB, free: 12.47 MB / 0.6667 GB
Notification: Performance of prepare preOptimizeDAE: time 4.872e-05/1.584, allocations: 11.41 kB / 0.8536 GB, free: 12.47 MB / 0.6667 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006116/1.59, allocations: 0.6467 MB / 0.8542 GB, free: 12.34 MB / 0.6667 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004392/1.595, allocations: 1.314 MB / 0.8555 GB, free: 11.96 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000684/1.595, allocations: 164.6 kB / 0.8557 GB, free: 11.94 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004509/1.596, allocations: 126.6 kB / 0.8558 GB, free: 11.94 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004473/1.6, allocations: 1.423 MB / 0.8572 GB, free: 11.74 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.119e-05/1.6, allocations: 6.391 kB / 0.8572 GB, free: 11.74 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001909/1.601, allocations: 49.06 kB / 0.8573 GB, free: 11.74 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.679e-05/1.601, allocations: 43.62 kB / 0.8573 GB, free: 11.73 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004835/1.605, allocations: 1.213 MB / 0.8585 GB, free: 11.56 MB / 0.6667 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 0.01259/1.618, allocations: 5.705 MB / 0.8641 GB, free: 8.215 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00318/1.621, allocations: 1.058 MB / 0.8651 GB, free: 7.871 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0006499/1.622, allocations: 145.3 kB / 0.8652 GB, free: 7.758 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001973/1.624, allocations: 0.5717 MB / 0.8658 GB, free: 7.547 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=85): time 4.077e-06/1.624, allocations: 0 / 0.8658 GB, free: 7.547 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=93): time 0.01351/1.638, allocations: 3.602 MB / 0.8693 GB, free: 6.16 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.079e-05/1.638, allocations: 93.03 kB / 0.8694 GB, free: 6.059 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002582/1.64, allocations: 1.164 MB / 0.8705 GB, free: 5.727 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002813/1.641, allocations: 45.89 kB / 0.8706 GB, free: 5.695 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009221/1.642, allocations: 0.7273 MB / 0.8713 GB, free: 5.395 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007323/1.642, allocations: 322.8 kB / 0.8716 GB, free: 5.164 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001347/1.643, allocations: 26.25 kB / 0.8716 GB, free: 5.16 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0001105/1.643, allocations: 345.5 kB / 0.8719 GB, free: 4.84 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001669/1.644, allocations: 456.8 kB / 0.8724 GB, free: 4.77 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001834/1.646, allocations: 0.6656 MB / 0.873 GB, free: 4.461 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01979/1.666, allocations: 2.526 MB / 0.8755 GB, free: 3.566 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.801e-06/1.666, allocations: 0 / 0.8755 GB, free: 3.566 MB / 0.6667 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: No system for the symbolic initialization was generated