Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElements,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElements")
Notification: Performance of loadModel(Buildings): time 3.726/3.726, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.59e-05/3.611e-05, allocations: 7.984 kB / 0.5009 GB, free: 8.27 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2192/0.2193, allocations: 92.68 MB / 0.5914 GB, free: 11.41 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElements): time 0.7161/0.9354, allocations: 124.2 MB / 0.7127 GB, free: 2.336 MB / 0.573 GB
Notification: Performance of NFInst.instExpressions: time 0.03372/0.9692, allocations: 17.89 MB / 0.7302 GB, free: 420 kB / 0.5886 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002401/0.9716, allocations: 95.75 kB / 0.7303 GB, free: 324 kB / 0.5886 GB
Notification: Performance of NFTyping.typeComponents: time 0.002779/0.9744, allocations: 0.7819 MB / 0.731 GB, free: 15.53 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.005822/0.9803, allocations: 1.383 MB / 0.7324 GB, free: 14.14 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004902/0.9853, allocations: 1.095 MB / 0.7334 GB, free: 13.05 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.006377/0.9917, allocations: 2.336 MB / 0.7357 GB, free: 10.7 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005081/0.9968, allocations: 2.482 MB / 0.7382 GB, free: 8.207 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002844/0.9997, allocations: 1.102 MB / 0.7392 GB, free: 7.102 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003674/1.003, allocations: 1.472 MB / 0.7407 GB, free: 5.625 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00306/1.007, allocations: 0.5501 MB / 0.7412 GB, free: 5.074 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001047/1.008, allocations: 112 kB / 0.7413 GB, free: 4.965 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.00118/1.009, allocations: 0.6732 MB / 0.742 GB, free: 4.289 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001037/1.01, allocations: 240 kB / 0.7422 GB, free: 4.055 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.007398/1.017, allocations: 4.216 MB / 0.7463 GB, free: 15.83 MB / 0.6198 GB
Notification: Performance of FrontEnd - DAE generated: time 5.981e-06/1.017, allocations: 0 / 0.7463 GB, free: 15.83 MB / 0.6198 GB
Notification: Performance of FrontEnd: time 3.116e-06/1.017, allocations: 0 / 0.7463 GB, free: 15.83 MB / 0.6198 GB
Notification: Performance of Transformations before backend: time 0.0001835/1.018, allocations: 0 / 0.7463 GB, free: 15.83 MB / 0.6198 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 801
 * Number of variables: 801
Notification: Performance of Generate backend data structure: time 0.01224/1.03, allocations: 3.494 MB / 0.7497 GB, free: 12.25 MB / 0.6198 GB
Notification: Performance of prepare preOptimizeDAE: time 5.603e-05/1.03, allocations: 8.031 kB / 0.7497 GB, free: 12.24 MB / 0.6198 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02647/1.056, allocations: 2.812 MB / 0.7525 GB, free: 9.418 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006508/1.063, allocations: 2.033 MB / 0.7545 GB, free: 7.336 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003466/1.063, allocations: 246.2 kB / 0.7547 GB, free: 7.094 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001363/1.065, allocations: 304 kB / 0.755 GB, free: 6.797 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0207/1.085, allocations: 4.985 MB / 0.7599 GB, free: 1.738 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001158/1.086, allocations: 8 kB / 0.7599 GB, free: 1.73 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007084/1.086, allocations: 128 kB / 0.76 GB, free: 1.605 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.431e-05/1.086, allocations: 76 kB / 0.7601 GB, free: 1.531 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02843/1.115, allocations: 6.228 MB / 0.7661 GB, free: 11.29 MB / 0.6355 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 0.04624/1.161, allocations: 14.31 MB / 0.7801 GB, free: 12.45 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02173/1.183, allocations: 4.674 MB / 0.7847 GB, free: 7.773 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001689/1.185, allocations: 0.6699 MB / 0.7853 GB, free: 6.973 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01055/1.195, allocations: 2.399 MB / 0.7877 GB, free: 4.531 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=268): time 7.514e-06/1.195, allocations: 0 / 0.7877 GB, free: 4.531 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=268): time 0.03626/1.232, allocations: 7.342 MB / 0.7948 GB, free: 13.06 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001085/1.232, allocations: 132.9 kB / 0.795 GB, free: 12.91 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004671/1.236, allocations: 2.047 MB / 0.797 GB, free: 10.83 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008662/1.237, allocations: 73.7 kB / 0.797 GB, free: 10.75 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001757/1.239, allocations: 1.282 MB / 0.7983 GB, free: 9.453 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00173/1.241, allocations: 0.8895 MB / 0.7992 GB, free: 8.551 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003615/1.241, allocations: 48 kB / 0.7992 GB, free: 8.504 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0002801/1.242, allocations: 398.8 kB / 0.7996 GB, free: 8.109 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008834/1.25, allocations: 1.929 MB / 0.8015 GB, free: 6.176 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009722/1.26, allocations: 2.199 MB / 0.8036 GB, free: 3.898 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01079/1.271, allocations: 2.153 MB / 0.8057 GB, free: 1.707 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.75e-05/1.271, allocations: 4 kB / 0.8057 GB, free: 1.703 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=305) (initialization): time 0.02383/1.295, allocations: 4.995 MB / 0.8106 GB, free: 12.63 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001099/1.295, allocations: 89.5 kB / 0.8107 GB, free: 12.53 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.803e-05/1.295, allocations: 8.062 kB / 0.8107 GB, free: 12.52 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001718/1.297, allocations: 348.6 kB / 0.811 GB, free: 12.18 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008761/1.306, allocations: 0.7917 MB / 0.8118 GB, free: 11.38 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009125/1.315, allocations: 4.013 MB / 0.8157 GB, free: 7.242 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006694/1.322, allocations: 0.5128 MB / 0.8162 GB, free: 6.727 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008205/1.322, allocations: 111.9 kB / 0.8163 GB, free: 6.617 MB / 0.6823 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 17
 * Number of states: 0 ()
 * Number of discrete variables: 11 ($whenCondition1,$PRE.intGai.nextTimeEvent,$whenCondition3,$whenCondition2,$PRE.weaDat.conTim1.tStart,weaDat.conTim1.tStart,$PRE.weaDat.conTim.tStart,weaDat.conTim.tStart,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (271):
 * Single equations (assignments): 267
 * Array equations: 0
 * Algorithm blocks: 3
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(3,100.0%) 28}
 * Non-linear torn systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.003249/1.326, allocations: 0.907 MB / 0.8172 GB, free: 5.699 MB / 0.6823 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009993/1.327, allocations: 260.8 kB / 0.8175 GB, free: 5.441 MB / 0.6823 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02757/1.354, allocations: 5.453 MB / 0.8228 GB, free: 15.93 MB / 0.698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.932e-05/1.354, allocations: 15.94 kB / 0.8228 GB, free: 15.91 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.484e-05/1.354, allocations: 0 / 0.8228 GB, free: 15.91 MB / 0.698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003921/1.358, allocations: 0.8521 MB / 0.8236 GB, free: 15.04 MB / 0.698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001017/1.359, allocations: 63.95 kB / 0.8237 GB, free: 14.97 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01006/1.37, allocations: 379.4 kB / 0.8241 GB, free: 14.6 MB / 0.698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008877/1.37, allocations: 185.9 kB / 0.8242 GB, free: 14.42 MB / 0.698 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 0.04327/1.414, allocations: 3.102 MB / 0.8273 GB, free: 11.28 MB / 0.698 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.