Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomThreeElements,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomThreeElements")
Notification: Performance of loadModel(Buildings): time 3.865/3.865, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.331e-05/3.345e-05, allocations: 4 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1989/0.1989, allocations: 92.69 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomThreeElements): time 0.7164/0.9154, allocations: 124.9 MB / 0.7134 GB, free: 1.562 MB / 0.573 GB
Notification: Performance of NFInst.instExpressions: time 0.0364/0.9518, allocations: 18.14 MB / 0.7311 GB, free: 15.39 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002683/0.9546, allocations: 111.7 kB / 0.7312 GB, free: 15.28 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.002754/0.9574, allocations: 0.8091 MB / 0.732 GB, free: 14.47 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.006181/0.9636, allocations: 1.464 MB / 0.7335 GB, free: 13 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.005062/0.9687, allocations: 1.146 MB / 0.7346 GB, free: 11.85 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.00714/0.9759, allocations: 2.566 MB / 0.7371 GB, free: 9.273 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005193/0.9811, allocations: 2.62 MB / 0.7396 GB, free: 6.637 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003018/0.9842, allocations: 1.169 MB / 0.7408 GB, free: 5.465 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00395/0.9882, allocations: 1.585 MB / 0.7423 GB, free: 3.875 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003151/0.9914, allocations: 0.5541 MB / 0.7429 GB, free: 3.32 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001111/0.9925, allocations: 120 kB / 0.743 GB, free: 3.203 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001502/0.9941, allocations: 0.716 MB / 0.7437 GB, free: 2.484 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001292/0.9954, allocations: 264 kB / 0.7439 GB, free: 2.227 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.008381/1.004, allocations: 4.54 MB / 0.7484 GB, free: 13.68 MB / 0.6198 GB
Notification: Performance of FrontEnd - DAE generated: time 1.204e-05/1.004, allocations: 0 / 0.7484 GB, free: 13.68 MB / 0.6198 GB
Notification: Performance of FrontEnd: time 4.077e-06/1.004, allocations: 3.938 kB / 0.7484 GB, free: 13.67 MB / 0.6198 GB
Notification: Performance of Transformations before backend: time 0.0002222/1.004, allocations: 4 kB / 0.7484 GB, free: 13.67 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: 857
 * Number of variables: 857
Notification: Performance of Generate backend data structure: time 0.01301/1.017, allocations: 3.681 MB / 0.752 GB, free: 9.898 MB / 0.6198 GB
Notification: Performance of prepare preOptimizeDAE: time 5.96e-05/1.017, allocations: 8.031 kB / 0.752 GB, free: 9.891 MB / 0.6198 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0332/1.05, allocations: 2.831 MB / 0.7547 GB, free: 7.051 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009699/1.06, allocations: 2.144 MB / 0.7568 GB, free: 4.832 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005192/1.061, allocations: 254.7 kB / 0.7571 GB, free: 4.582 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001886/1.063, allocations: 336 kB / 0.7574 GB, free: 4.254 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02884/1.092, allocations: 5.227 MB / 0.7625 GB, free: 14.96 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001572/1.092, allocations: 0 / 0.7625 GB, free: 14.96 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001059/1.093, allocations: 140 kB / 0.7626 GB, free: 14.82 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001384/1.093, allocations: 80 kB / 0.7627 GB, free: 14.75 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03186/1.125, allocations: 6.464 MB / 0.769 GB, free: 8.27 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 0.05024/1.175, allocations: 15.51 MB / 0.7842 GB, free: 8.129 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01729/1.192, allocations: 4.162 MB / 0.7882 GB, free: 3.961 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001639/1.194, allocations: 0.6736 MB / 0.7889 GB, free: 3.156 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01073/1.205, allocations: 2.499 MB / 0.7913 GB, free: 0.6172 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=286): time 7.674e-06/1.205, allocations: 0 / 0.7913 GB, free: 0.6172 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=286): time 0.04102/1.246, allocations: 8.159 MB / 0.7993 GB, free: 8.336 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001105/1.246, allocations: 133.1 kB / 0.7994 GB, free: 8.18 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004752/1.251, allocations: 2.155 MB / 0.8015 GB, free: 6 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008659/1.252, allocations: 77.7 kB / 0.8016 GB, free: 5.918 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001763/1.254, allocations: 1.368 MB / 0.8029 GB, free: 4.531 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001908/1.256, allocations: 0.951 MB / 0.8039 GB, free: 3.566 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003537/1.256, allocations: 48 kB / 0.8039 GB, free: 3.52 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0002776/1.256, allocations: 415.3 kB / 0.8043 GB, free: 3.109 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.009082/1.265, allocations: 2.003 MB / 0.8063 GB, free: 1.102 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009659/1.275, allocations: 2.31 MB / 0.8085 GB, free: 14.71 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.009695/1.285, allocations: 2.248 MB / 0.8107 GB, free: 12.43 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.629e-05/1.285, allocations: 0 / 0.8107 GB, free: 12.43 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=324) (initialization): time 0.02283/1.308, allocations: 5.355 MB / 0.8159 GB, free: 7.008 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001037/1.308, allocations: 93.09 kB / 0.816 GB, free: 6.898 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.115e-05/1.308, allocations: 4 kB / 0.816 GB, free: 6.895 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.002157/1.31, allocations: 0.53 MB / 0.8166 GB, free: 6.363 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00801/1.318, allocations: 0.7605 MB / 0.8173 GB, free: 5.602 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01262/1.331, allocations: 5.444 MB / 0.8226 GB, free: 16 kB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006686/1.338, allocations: 0.5322 MB / 0.8231 GB, free: 15.48 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008619/1.338, allocations: 111.9 kB / 0.8232 GB, free: 15.37 MB / 0.698 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 (275):
 * Single equations (assignments): 271
 * 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 {(4,100.0%) 42}
 * Non-linear torn systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.003384/1.342, allocations: 0.954 MB / 0.8242 GB, free: 14.41 MB / 0.698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009825/1.343, allocations: 272.6 kB / 0.8244 GB, free: 14.14 MB / 0.698 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02558/1.368, allocations: 5.8 MB / 0.8301 GB, free: 8.273 MB / 0.698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.336e-05/1.369, allocations: 15.94 kB / 0.8301 GB, free: 8.258 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.225e-05/1.369, allocations: 3.938 kB / 0.8301 GB, free: 8.254 MB / 0.698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003126/1.372, allocations: 0.8871 MB / 0.831 GB, free: 7.344 MB / 0.698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008774/1.373, allocations: 52 kB / 0.831 GB, free: 7.293 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006106/1.379, allocations: 403.3 kB / 0.8314 GB, free: 6.898 MB / 0.698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008076/1.38, allocations: 209.9 kB / 0.8316 GB, free: 6.691 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 0.01864/1.398, allocations: 3.339 MB / 0.8349 GB, free: 3.316 MB / 0.698 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.