Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo", uses=false) Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004595/0.004595, allocations: 102.2 kB / 15.73 MB, free: 5.551 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001249/0.001249, allocations: 196.6 kB / 16.67 MB, free: 5.477 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 222.9 MB / 240.4 MB, free: 15.16 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 0.9117/0.9117, allocations: 143.3 MB / 433.9 MB, free: 11.81 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001801/0.001802, allocations: 68.39 kB / 0.5954 GB, free: 12.51 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1437/0.1455, allocations: 82.03 MB / 0.6755 GB, free: 10.52 MB / 0.5137 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.6684/0.8139, allocations: 358.2 MB / 1.025 GB, free: 7.395 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.5187/1.333, allocations: 76.14 MB / 1.1 GB, free: 40.5 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0161/1.349, allocations: 434.5 kB / 1.1 GB, free: 40.5 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.01728/1.366, allocations: 6.467 MB / 1.106 GB, free: 40.41 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.03874/1.405, allocations: 14.15 MB / 1.12 GB, free: 39.82 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.02303/1.428, allocations: 10.19 MB / 1.13 GB, free: 39.53 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.08564/1.514, allocations: 74.29 MB / 1.203 GB, free: 13.99 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02596/1.54, allocations: 20.03 MB / 1.222 GB, free: 10.57 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03726/1.577, allocations: 17.06 MB / 1.239 GB, free: 10.45 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03115/1.608, allocations: 16.44 MB / 1.255 GB, free: 11.18 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.008576/1.617, allocations: 1.961 MB / 1.257 GB, free: 9.219 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02345/1.64, allocations: 6.051 MB / 1.263 GB, free: 3.441 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.01168/1.652, allocations: 6.525 MB / 1.269 GB, free: 13.16 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.02479/1.677, allocations: 11.29 MB / 1.28 GB, free: 2.062 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.0549/1.732, allocations: 33.01 MB / 1.312 GB, free: 2.137 MB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 8.105e-06/1.732, allocations: 0 / 1.312 GB, free: 2.137 MB / 0.92 GB Notification: Performance of FrontEnd: time 2.013e-06/1.732, allocations: 3.938 kB / 1.312 GB, free: 2.133 MB / 0.92 GB Notification: Performance of Transformations before backend: time 0.0009093/1.733, allocations: 0 / 1.312 GB, free: 2.133 MB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.06976/1.802, allocations: 24.81 MB / 1.337 GB, free: 9.441 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.139e-05/1.802, allocations: 19.95 kB / 1.337 GB, free: 9.422 MB / 0.9512 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00422/1.807, allocations: 1.05 MB / 1.338 GB, free: 8.371 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0176/1.824, allocations: 3.309 MB / 1.341 GB, free: 5.047 MB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.05095/1.875, allocations: 23.23 MB / 1.364 GB, free: 14.14 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008209/1.876, allocations: 0.678 MB / 1.364 GB, free: 13.47 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004742/1.881, allocations: 0.9423 MB / 1.365 GB, free: 12.54 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04078/1.922, allocations: 17.06 MB / 1.382 GB, free: 11.27 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003199/1.922, allocations: 11.94 kB / 1.382 GB, free: 11.26 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003148/1.925, allocations: 334.6 kB / 1.382 GB, free: 10.94 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004226/1.926, allocations: 371.3 kB / 1.383 GB, free: 10.58 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0433/1.969, allocations: 21.51 MB / 1.404 GB, free: 5.059 MB / 1.014 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 0.488/2.457, allocations: 84.19 MB / 1.486 GB, free: 463.5 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02048/2.478, allocations: 13.02 MB / 1.499 GB, free: 457.2 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01508/2.493, allocations: 10.07 MB / 1.508 GB, free: 451.5 MB / 1.045 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 evalFunc (simulation): time 0.06731/2.56, allocations: 35.67 MB / 1.543 GB, free: 426.9 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01554/2.576, allocations: 10.14 MB / 1.553 GB, free: 417.6 MB / 1.045 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01848/2.594, allocations: 5.824 MB / 1.559 GB, free: 412.5 MB / 1.045 GB Notification: Performance of pre-optimization done (n=567): time 3.054e-05/2.594, allocations: 0.625 kB / 1.559 GB, free: 412.5 MB / 1.045 GB Notification: Performance of matching and sorting (n=838): time 0.907/3.501, allocations: 218.2 MB / 1.772 GB, free: 195.6 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.1338/3.635, allocations: 56.05 MB / 1.827 GB, free: 138.5 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03552/3.671, allocations: 20.63 MB / 1.847 GB, free: 118 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.003715/3.674, allocations: 225.7 kB / 1.847 GB, free: 117.8 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.007954/3.682, allocations: 7.901 MB / 1.855 GB, free: 109.9 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.007127/3.689, allocations: 3.143 MB / 1.858 GB, free: 106.8 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01054/3.7, allocations: 4.002 MB / 1.862 GB, free: 102.8 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 3.685e-05/3.7, allocations: 301.1 kB / 1.862 GB, free: 102.5 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02667/3.727, allocations: 20.27 MB / 1.882 GB, free: 82.17 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03052/3.757, allocations: 23.11 MB / 1.904 GB, free: 58.03 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.05637/3.814, allocations: 38.59 MB / 1.942 GB, free: 18.62 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.992e-05/3.814, allocations: 23.94 kB / 1.942 GB, free: 18.59 MB / 1.045 GB Notification: Performance of matching and sorting (n=1619) (initialization): time 0.9863/4.8, allocations: 134.7 MB / 2.074 GB, free: 409.8 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 9.404e-05/4.8, allocations: 53.7 kB / 2.074 GB, free: 409.8 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.973e-05/4.8, allocations: 52 kB / 2.074 GB, free: 409.7 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5934/5.394, allocations: 118 MB / 2.189 GB, free: 292.2 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01823/5.412, allocations: 3.549 MB / 2.192 GB, free: 288.6 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1377/5.55, allocations: 81.92 MB / 2.272 GB, free: 206.6 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09303/5.643, allocations: 6.446 MB / 2.279 GB, free: 200.2 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005317/5.648, allocations: 1.318 MB / 2.28 GB, free: 198.9 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03552/5.684, allocations: 23.67 MB / 2.303 GB, free: 175.2 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0285/5.712, allocations: 22.58 MB / 2.325 GB, free: 151.6 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05163/5.764, allocations: 37.58 MB / 2.362 GB, free: 113.2 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.556e-05/5.764, allocations: 12 kB / 2.362 GB, free: 113.2 MB / 1.045 GB Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.9559/6.72, allocations: 133.1 MB / 2.492 GB, free: 424.8 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 8.305e-05/6.72, allocations: 56.52 kB / 2.492 GB, free: 424.7 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.751e-05/6.72, allocations: 64.17 kB / 2.492 GB, free: 424.7 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6073/7.327, allocations: 117.6 MB / 2.607 GB, free: 362.7 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01688/7.344, allocations: 3.53 MB / 2.61 GB, free: 359.3 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1455/7.49, allocations: 86.17 MB / 2.694 GB, free: 273.2 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09395/7.584, allocations: 6.495 MB / 2.701 GB, free: 266.7 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007279/7.591, allocations: 1.28 MB / 2.702 GB, free: 265.4 MB / 1.045 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 237 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1171): * Single equations (assignments): 1151 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(5,80), (5,80)} Notification: Performance of prepare postOptimizeDAE: time 0.006613/7.598, allocations: 0.7661 MB / 2.703 GB, free: 264.7 MB / 1.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006207/7.604, allocations: 1.713 MB / 2.704 GB, free: 263.9 MB / 1.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2048/7.809, allocations: 60.78 MB / 2.764 GB, free: 203.4 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2124/8.021, allocations: 67.06 MB / 2.829 GB, free: 136.4 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.211e-05/8.021, allocations: 28 kB / 2.829 GB, free: 136.4 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2047/8.226, allocations: 66.35 MB / 2.894 GB, free: 70.02 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6074/8.834, allocations: 130.7 MB / 3.022 GB, free: 408.7 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.53e-05/8.834, allocations: 0 / 3.022 GB, free: 408.7 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01132/8.845, allocations: 1.984 MB / 3.024 GB, free: 408.6 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.3319/9.177, allocations: 81.39 MB / 3.103 GB, free: 355.5 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003912/9.181, allocations: 0.5729 MB / 3.104 GB, free: 354.9 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1028/9.284, allocations: 58.56 MB / 3.161 GB, free: 296.3 MB / 1.045 GB Warning: The linear system: 1 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0 2 : 0.0 = spl1.res1.m_flow + (-bou.ports[1].m_flow) - valHea.m_flow 3 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 [ -1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; 1.0 , 1.0 , 0.0 ] * [ valCoo.m_flow ; spl1.res1.m_flow ; valHea.m_flow ] = [ (-valNorth.res1.m_flow) - valSouth.res1.m_flow ; -bou.ports[1].m_flow ; tabsSouth1[2].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ] might be structurally or numerically singular for variable valHea.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 2 : 0.0 = spl1.res1.m_flow + (-bou.ports[1].m_flow) - valHea.m_flow 3 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0 [ 1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; -1.0 , -1.0 , 0.0 ] * [ valCoo.m_flow ; valHea.m_flow ; spl1.res1.m_flow ] = [ tabsSouth1[2].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ; -bou.ports[1].m_flow ; (-valNorth.res1.m_flow) - valSouth.res1.m_flow ] might be structurally or numerically singular for variable spl1.res1.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0 2 : valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0 3 : 0.0 = spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 [ 1.0 , 0.0 , 1.0 ; 0.0 , -1.0 , -1.0 ; -1.0 , 1.0 , 0.0 ] * [ spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ] = [ tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; (-valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ; -bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ] might be structurally or numerically singular for variable valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1055/9.389, allocations: 54.2 MB / 3.214 GB, free: 241.2 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2423/9.632, allocations: 96.29 MB / 3.308 GB, free: 145.9 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01466/9.646, allocations: 6.15 MB / 3.314 GB, free: 140.7 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.006305/9.653, allocations: 215.9 kB / 3.314 GB, free: 140.5 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05263/9.705, allocations: 3.313 MB / 3.317 GB, free: 137.2 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004491/9.71, allocations: 0.8616 MB / 3.318 GB, free: 136.3 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002375/9.712, allocations: 0.6292 MB / 3.319 GB, free: 135.7 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.02177/9.734, allocations: 14.38 MB / 3.333 GB, free: 121.4 MB / 1.045 GB Notification: Performance of sort global known variables: time 5.31e-07/9.734, allocations: 0 / 3.333 GB, free: 121.4 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.07927/9.813, allocations: 38.74 MB / 3.371 GB, free: 82.66 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1],vol.p) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (621): * Single equations (assignments): 600 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(7,83), (1,1), (38,197)} Notification: Performance of Backend phase and start with SimCode phase: time 0.6037/10.42, allocations: 97.84 MB / 3.466 GB, free: 429.3 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.1234/10.54, allocations: 77.47 MB / 3.542 GB, free: 405.1 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 9.779e-06/10.54, allocations: 3.969 kB / 3.542 GB, free: 405.1 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.05304/10.59, allocations: 25.49 MB / 3.567 GB, free: 390.6 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05076/10.64, allocations: 8.037 MB / 3.574 GB, free: 385 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.139/12.78, allocations: 445.1 MB / 4.009 GB, free: 402.3 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01178/12.8, allocations: 10.49 MB / 4.019 GB, free: 397.8 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.02538/12.82, allocations: 8.009 MB / 4.027 GB, free: 395.6 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01951/12.84, allocations: 10.39 MB / 4.037 GB, free: 393.1 MB / 1.045 GB Notification: Performance of SimCode: time 8.81e-07/12.84, allocations: 0 / 4.037 GB, free: 393.1 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.321/14.16, allocations: 0.8117 GB / 4.849 GB, free: 70.2 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 109.6/123.8, allocations: 3.906 kB / 4.849 GB, free: 70.2 MB / 1.045 GB (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.sim & python3 -m fmpy simulate --output-file BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Simplified3.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)