Running command: translateModel(Buildings.Fluid.Examples.Performance.Example1v1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Examples.Performance.Example1v1") Notification: Performance of loadModel(Buildings): time 3.697/3.697, allocations: 402 MB / 416.6 MB, free: 10.12 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.852e-05/3.872e-05, allocations: 4 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2063/0.2064, allocations: 92.68 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example1v1): time 0.5882/0.7946, allocations: 58.14 MB / 0.6482 GB, free: 10.11 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.03724/0.8319, allocations: 15.96 MB / 0.6638 GB, free: 14.63 MB / 0.5417 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004027/0.836, allocations: 107.5 kB / 0.6639 GB, free: 14.59 MB / 0.5417 GB Notification: Performance of NFTyping.typeComponents: time 0.005136/0.8412, allocations: 1.057 MB / 0.665 GB, free: 13.66 MB / 0.5417 GB Notification: Performance of NFTyping.typeBindings: time 0.011/0.8522, allocations: 2.384 MB / 0.6673 GB, free: 11.49 MB / 0.5417 GB Notification: Performance of NFTyping.typeClassSections: time 0.01359/0.8658, allocations: 3.073 MB / 0.6703 GB, free: 9.305 MB / 0.5417 GB Notification: Performance of NFFlatten.flatten: time 0.01008/0.8759, allocations: 3.714 MB / 0.6739 GB, free: 6.656 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009358/0.8853, allocations: 4.19 MB / 0.678 GB, free: 3.781 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007154/0.8925, allocations: 2.176 MB / 0.6801 GB, free: 2.516 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005061/0.8976, allocations: 1.605 MB / 0.6817 GB, free: 1.652 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005848/0.9035, allocations: 1.139 MB / 0.6828 GB, free: 0.9805 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001399/0.905, allocations: 140 kB / 0.6829 GB, free: 0.8438 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.001152/0.9061, allocations: 0.5836 MB / 0.6835 GB, free: 264 kB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001928/0.9081, allocations: 340 kB / 0.6838 GB, free: 15.92 MB / 0.5573 GB Notification: Performance of NFConvertDAE.convert: time 0.00782/0.9159, allocations: 3.677 MB / 0.6874 GB, free: 12.24 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.198e-06/0.916, allocations: 0 / 0.6874 GB, free: 12.24 MB / 0.5573 GB Notification: Performance of FrontEnd: time 2.645e-06/0.916, allocations: 0 / 0.6874 GB, free: 12.24 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0001383/0.9161, allocations: 0 / 0.6874 GB, free: 12.24 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 422 * Number of variables: 422 Notification: Performance of Generate backend data structure: time 0.009958/0.9261, allocations: 3.347 MB / 0.6907 GB, free: 8.824 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.401e-05/0.9262, allocations: 12.03 kB / 0.6907 GB, free: 8.812 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004138/0.9303, allocations: 0.585 MB / 0.6913 GB, free: 8.223 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008599/0.939, allocations: 2.603 MB / 0.6938 GB, free: 5.559 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002128/0.9392, allocations: 148 kB / 0.694 GB, free: 5.41 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005386/0.9398, allocations: 196 kB / 0.6941 GB, free: 5.219 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01644/0.9562, allocations: 3.085 MB / 0.6972 GB, free: 1.961 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.825e-05/0.9564, allocations: 7.938 kB / 0.6972 GB, free: 1.953 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003182/0.9567, allocations: 72 kB / 0.6972 GB, free: 1.883 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.827e-05/0.9568, allocations: 40 kB / 0.6973 GB, free: 1.844 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01637/0.9731, allocations: 2.575 MB / 0.6998 GB, free: 15.26 MB / 0.573 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 0.02616/0.9993, allocations: 12.43 MB / 0.7119 GB, free: 2.191 MB / 0.573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01485/1.014, allocations: 2.118 MB / 0.714 GB, free: 60 kB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01016/1.024, allocations: 3.632 MB / 0.7175 GB, free: 12.2 MB / 0.5886 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01221/1.037, allocations: 1.501 MB / 0.719 GB, free: 10.67 MB / 0.5886 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003053/1.04, allocations: 478.4 kB / 0.7195 GB, free: 10.2 MB / 0.5886 GB Notification: Performance of pre-optimization done (n=105): time 9.638e-06/1.04, allocations: 0 / 0.7195 GB, free: 10.2 MB / 0.5886 GB Notification: Performance of matching and sorting (n=105): time 0.05461/1.095, allocations: 5.745 MB / 0.7251 GB, free: 4.379 MB / 0.5886 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001687/1.095, allocations: 299.7 kB / 0.7254 GB, free: 4.02 MB / 0.5886 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74:writable] Warning: Parameter val.res3.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52:writable] Warning: Parameter val.res3.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74:writable] Warning: Parameter val.res1.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52:writable] Warning: Parameter val.res1.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value. Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005608/1.1, allocations: 2.537 MB / 0.7278 GB, free: 1.488 MB / 0.5886 GB Notification: Performance of collectPreVariables (initialization): time 0.0004709/1.101, allocations: 61.69 kB / 0.7279 GB, free: 1.422 MB / 0.5886 GB Notification: Performance of collectInitialEqns (initialization): time 0.002022/1.103, allocations: 1.499 MB / 0.7294 GB, free: 15.9 MB / 0.6042 GB Notification: Performance of collectInitialBindings (initialization): time 0.000702/1.104, allocations: 382.5 kB / 0.7297 GB, free: 15.52 MB / 0.6042 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002038/1.104, allocations: 32 kB / 0.7298 GB, free: 15.49 MB / 0.6042 GB Notification: Performance of setup shared object (initialization): time 0.000187/1.104, allocations: 369.9 kB / 0.7301 GB, free: 15.12 MB / 0.6042 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004165/1.108, allocations: 0.89 MB / 0.731 GB, free: 14.23 MB / 0.6042 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004964/1.113, allocations: 1.714 MB / 0.7327 GB, free: 12.14 MB / 0.6042 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004859/1.118, allocations: 1.11 MB / 0.7337 GB, free: 11.03 MB / 0.6042 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.994e-05/1.118, allocations: 8 kB / 0.7337 GB, free: 11.02 MB / 0.6042 GB Notification: Performance of matching and sorting (n=208) (initialization): time 0.0309/1.149, allocations: 3.885 MB / 0.7375 GB, free: 7.109 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.002627/1.152, allocations: 6.709 MB / 0.7441 GB, free: 15.82 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.667e-05/1.152, allocations: 16 kB / 0.7441 GB, free: 15.8 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.005927/1.158, allocations: 0.8841 MB / 0.745 GB, free: 14.91 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004397/1.162, allocations: 429.2 kB / 0.7454 GB, free: 14.49 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01109/1.173, allocations: 3.762 MB / 0.7491 GB, free: 10.62 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0054/1.179, allocations: 228.3 kB / 0.7493 GB, free: 10.4 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005552/1.179, allocations: 99.92 kB / 0.7494 GB, free: 10.3 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.547e-05/1.179, allocations: 4 kB / 0.7494 GB, free: 10.3 MB / 0.6198 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007532/1.187, allocations: 2.562 MB / 0.7519 GB, free: 7.699 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.113e-05/1.187, allocations: 16 kB / 0.7519 GB, free: 7.684 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001871/1.189, allocations: 493.8 kB / 0.7524 GB, free: 7.191 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002695/1.192, allocations: 345.3 kB / 0.7527 GB, free: 6.852 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01086/1.203, allocations: 6.283 MB / 0.7588 GB, free: 276 kB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003492/1.206, allocations: 192.2 kB / 0.759 GB, free: 84 kB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003369/1.207, allocations: 79.97 kB / 0.7591 GB, free: 4 kB / 0.6198 GB Warning: Assuming fixed start value for the following 1 variables: pump.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = pump.vol.V * pump.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true ) "Mass of fluid" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 68 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count,from_dp.y,nRes.y,allowFlowReversal.y) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (158): * Single equations (assignments): 148 * Array equations: 3 * Algorithm blocks: 1 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 1 {1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 3 {1 40,1 3,1 1} Notification: Performance of prepare postOptimizeDAE: time 0.002463/1.209, allocations: 0.7827 MB / 0.7598 GB, free: 15.21 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009587/1.21, allocations: 308.1 kB / 0.7601 GB, free: 14.91 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02936/1.239, allocations: 3.445 MB / 0.7635 GB, free: 11.44 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02789/1.267, allocations: 3.139 MB / 0.7666 GB, free: 8.227 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.693e-05/1.267, allocations: 3.938 kB / 0.7666 GB, free: 8.223 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001985/1.269, allocations: 0.54 MB / 0.7671 GB, free: 7.66 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007226/1.27, allocations: 23.95 kB / 0.7671 GB, free: 7.637 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004326/1.274, allocations: 215.5 kB / 0.7673 GB, free: 7.426 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006365/1.275, allocations: 132.7 kB / 0.7675 GB, free: 7.297 MB / 0.6355 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 postOpt createDAEmodeBDAE (simulation): time 0.02561/1.301, allocations: 2.442 MB / 0.7698 GB, free: 4.84 MB / 0.6355 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.