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/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: translateModel(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3") translateModel(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001304/0.001304, allocations: 106.5 kB / 16.35 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001268/0.001268, allocations: 190.5 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.261/1.261, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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/package.mo): time 0.8276/0.8276, allocations: 143.1 MB / 434.2 MB, free: 12 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001261/0.001261, allocations: 63.89 kB / 0.5156 GB, free: 14.45 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.302/0.3033, allocations: 82.03 MB / 0.5957 GB, free: 16.12 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.6168/0.9201, allocations: 358.2 MB / 0.9455 GB, free: 13.2 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.1014/1.022, allocations: 76.16 MB / 1.02 GB, free: 0.8633 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01363/1.035, allocations: 433.5 kB / 1.02 GB, free: 448 kB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.4451/1.48, allocations: 23.5 MB / 1.043 GB, free: 31.98 MB / 0.7481 GB Notification: Performance of NFTyping.typeBindings: time 0.03614/1.516, allocations: 14.08 MB / 1.057 GB, free: 31.89 MB / 0.7481 GB Notification: Performance of NFTyping.typeClassSections: time 0.02323/1.54, allocations: 10.16 MB / 1.067 GB, free: 31.64 MB / 0.7481 GB Notification: Performance of NFFlatten.flatten: time 0.09265/1.632, allocations: 74.12 MB / 1.139 GB, free: 18.13 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02723/1.66, allocations: 20 MB / 1.159 GB, free: 3.863 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03571/1.695, allocations: 17.02 MB / 1.175 GB, free: 8.637 MB / 0.7637 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03124/1.727, allocations: 16.39 MB / 1.191 GB, free: 9.75 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.008573/1.735, allocations: 1.953 MB / 1.193 GB, free: 7.801 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02277/1.758, allocations: 6.038 MB / 1.199 GB, free: 2.035 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.01231/1.77, allocations: 6.499 MB / 1.206 GB, free: 11.77 MB / 0.795 GB Notification: Performance of NFVerifyModel.verify: time 0.03112/1.802, allocations: 11.21 MB / 1.217 GB, free: 0.7422 MB / 0.795 GB Notification: Performance of NFConvertDAE.convert: time 0.05208/1.854, allocations: 32.54 MB / 1.248 GB, free: 1.293 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 6.482e-06/1.854, allocations: 0 / 1.248 GB, free: 1.293 MB / 0.8262 GB Notification: Performance of FrontEnd: time 1.904e-06/1.854, allocations: 4 kB / 1.248 GB, free: 1.289 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 0.001069/1.855, allocations: 0 / 1.248 GB, free: 1.289 MB / 0.8262 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 0.07115/1.926, allocations: 23.95 MB / 1.272 GB, free: 9.383 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.469e-05/1.926, allocations: 11.97 kB / 1.272 GB, free: 9.371 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01869/1.945, allocations: 3.196 MB / 1.275 GB, free: 6.148 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0508/1.996, allocations: 20.44 MB / 1.295 GB, free: 2.012 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007944/1.996, allocations: 0.6683 MB / 1.295 GB, free: 1.348 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005203/2.002, allocations: 0.9453 MB / 1.296 GB, free: 420 kB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04105/2.043, allocations: 17.07 MB / 1.313 GB, free: 15.15 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004034/2.043, allocations: 15.88 kB / 1.313 GB, free: 15.13 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003657/2.047, allocations: 326.3 kB / 1.313 GB, free: 14.82 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003745/2.047, allocations: 371.3 kB / 1.314 GB, free: 14.46 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04106/2.088, allocations: 21.5 MB / 1.335 GB, free: 8.941 MB / 0.92 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 0.6809/2.769, allocations: 83.34 MB / 1.416 GB, free: 444.8 MB / 0.9513 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02196/2.791, allocations: 13.02 MB / 1.429 GB, free: 437.5 MB / 0.9513 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01534/2.807, allocations: 10.04 MB / 1.439 GB, free: 431.9 MB / 0.9513 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 0.07565/2.882, allocations: 35.35 MB / 1.473 GB, free: 403.3 MB / 0.9513 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01765/2.9, allocations: 10.14 MB / 1.483 GB, free: 393.1 MB / 0.9513 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01982/2.92, allocations: 5.812 MB / 1.489 GB, free: 388 MB / 0.9513 GB Notification: Performance of pre-optimization done (n=567): time 3.998e-05/2.92, allocations: 2.5 kB / 1.489 GB, free: 388 MB / 0.9513 GB Notification: Performance of matching and sorting (n=838): time 0.8367/3.757, allocations: 217.8 MB / 1.701 GB, free: 171.6 MB / 0.9513 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.132/3.889, allocations: 55.98 MB / 1.756 GB, free: 114.5 MB / 0.9513 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02785/3.916, allocations: 17.46 MB / 1.773 GB, free: 97.13 MB / 0.9513 GB Notification: Performance of collectPreVariables (initialization): time 0.003522/3.92, allocations: 227.5 kB / 1.773 GB, free: 96.9 MB / 0.9513 GB Notification: Performance of collectInitialEqns (initialization): time 0.006376/3.926, allocations: 7.772 MB / 1.781 GB, free: 89.15 MB / 0.9513 GB Notification: Performance of collectInitialBindings (initialization): time 0.006857/3.933, allocations: 3.004 MB / 1.784 GB, free: 86.17 MB / 0.9513 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0086/3.942, allocations: 3.99 MB / 1.788 GB, free: 82.16 MB / 0.9513 GB Notification: Performance of setup shared object (initialization): time 3.267e-05/3.942, allocations: 305.1 kB / 1.788 GB, free: 81.86 MB / 0.9513 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02667/3.969, allocations: 20.27 MB / 1.808 GB, free: 61.57 MB / 0.9513 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02904/3.998, allocations: 23.1 MB / 1.83 GB, free: 37.43 MB / 0.9513 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.5897/4.587, allocations: 38.6 MB / 1.868 GB, free: 422 MB / 0.9514 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001061/4.588, allocations: 16.06 kB / 1.868 GB, free: 422 MB / 0.9514 GB Notification: Performance of matching and sorting (n=1619) (initialization): time 0.5538/5.141, allocations: 134.6 MB / 2 GB, free: 358.6 MB / 0.9514 GB Notification: Performance of prepare postOptimizeDAE: time 8.625e-05/5.141, allocations: 57.69 kB / 2 GB, free: 358.6 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.734e-05/5.142, allocations: 52 kB / 2 GB, free: 358.5 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5336/5.675, allocations: 118 MB / 2.115 GB, free: 241 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0177/5.693, allocations: 3.553 MB / 2.118 GB, free: 237.4 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.139/5.832, allocations: 81.89 MB / 2.198 GB, free: 155.4 MB / 0.9514 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07541/5.907, allocations: 6.435 MB / 2.205 GB, free: 149 MB / 0.9514 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005758/5.913, allocations: 1.314 MB / 2.206 GB, free: 147.7 MB / 0.9514 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03481/5.948, allocations: 23.68 MB / 2.229 GB, free: 124 MB / 0.9514 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02841/5.976, allocations: 22.59 MB / 2.251 GB, free: 100.3 MB / 0.9514 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0557/6.032, allocations: 37.58 MB / 2.288 GB, free: 61.94 MB / 0.9514 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.868e-05/6.032, allocations: 16 kB / 2.288 GB, free: 61.92 MB / 0.9514 GB Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.8524/6.885, allocations: 133 MB / 2.418 GB, free: 393 MB / 0.9514 GB Notification: Performance of prepare postOptimizeDAE: time 0.000118/6.885, allocations: 53.42 kB / 2.418 GB, free: 393 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001053/6.885, allocations: 56.31 kB / 2.418 GB, free: 393 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5321/7.417, allocations: 117.6 MB / 2.533 GB, free: 286.8 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01602/7.433, allocations: 3.539 MB / 2.536 GB, free: 283.3 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1374/7.571, allocations: 86.13 MB / 2.62 GB, free: 197.1 MB / 0.9514 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07561/7.646, allocations: 6.477 MB / 2.626 GB, free: 190.6 MB / 0.9514 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005612/7.652, allocations: 1.286 MB / 2.628 GB, free: 189.3 MB / 0.9514 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 0.007944/7.66, allocations: 0.7594 MB / 2.628 GB, free: 188.6 MB / 0.9514 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008335/7.668, allocations: 1.626 MB / 2.63 GB, free: 187.8 MB / 0.9514 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1972/7.865, allocations: 60.76 MB / 2.689 GB, free: 127.2 MB / 0.9514 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1973/8.063, allocations: 67.04 MB / 2.755 GB, free: 60.19 MB / 0.9514 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001089/8.063, allocations: 31.98 kB / 2.755 GB, free: 60.16 MB / 0.9514 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.4862/8.549, allocations: 66.36 MB / 2.82 GB, free: 396.9 MB / 0.9514 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.268/8.817, allocations: 130.5 MB / 2.947 GB, free: 334.9 MB / 0.9514 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.053e-05/8.817, allocations: 0 / 2.947 GB, free: 334.9 MB / 0.9514 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.011/8.828, allocations: 1.978 MB / 2.949 GB, free: 332.9 MB / 0.9514 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.2966/9.125, allocations: 81.39 MB / 3.029 GB, free: 252.4 MB / 0.9514 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003643/9.129, allocations: 0.5651 MB / 3.029 GB, free: 251.8 MB / 0.9514 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.09602/9.225, allocations: 58.54 MB / 3.086 GB, free: 193.2 MB / 0.9514 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 + (-valHea.m_flow) - bou.ports[1].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 + (-valHea.m_flow) - bou.ports[1].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 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - bou.ports.1.m_flow.$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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1047/9.329, allocations: 54.13 MB / 3.139 GB, free: 138.1 MB / 0.9514 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.229/9.558, allocations: 96.21 MB / 3.233 GB, free: 42.79 MB / 0.9514 GB Notification: Performance of postOpt removeConstants (simulation): time 0.02004/9.578, allocations: 5.964 MB / 3.239 GB, free: 37.67 MB / 0.9514 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007617/9.586, allocations: 211.9 kB / 3.239 GB, free: 37.46 MB / 0.9514 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0439/9.63, allocations: 3.304 MB / 3.242 GB, free: 34.16 MB / 0.9514 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005163/9.635, allocations: 0.8616 MB / 3.243 GB, free: 33.29 MB / 0.9514 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003689/9.639, allocations: 0.6276 MB / 3.244 GB, free: 32.66 MB / 0.9514 GB Notification: Performance of sorting global known variables: time 0.02201/9.661, allocations: 11.89 MB / 3.255 GB, free: 20.86 MB / 0.9514 GB Notification: Performance of sort global known variables: time 7.22e-07/9.661, allocations: 0 / 3.255 GB, free: 20.86 MB / 0.9514 GB Notification: Performance of remove unused functions: time 0.3793/10.04, allocations: 38.7 MB / 3.293 GB, free: 402.1 MB / 0.9514 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 0.005899/10.05, allocations: 1.976 MB / 3.295 GB, free: 401.9 MB / 0.9514 GB Notification: Performance of simCode: created initialization part: time 0.1249/10.17, allocations: 77.44 MB / 3.371 GB, free: 373.8 MB / 0.9514 GB Notification: Performance of simCode: created event and clocks part: time 1.028e-05/10.17, allocations: 3.609 kB / 3.371 GB, free: 373.8 MB / 0.9514 GB Notification: Performance of simCode: created simulation system equations: time 0.04867/10.22, allocations: 25.5 MB / 3.396 GB, free: 353.2 MB / 0.9514 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04975/10.27, allocations: 8.021 MB / 3.403 GB, free: 347.5 MB / 0.9514 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08174/10.35, allocations: 54.17 MB / 3.456 GB, free: 299.1 MB / 0.9514 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0141/10.37, allocations: 10.49 MB / 3.467 GB, free: 288.7 MB / 0.9514 GB Notification: Performance of simCode: alias equations: time 0.02782/10.39, allocations: 7.962 MB / 3.474 GB, free: 281.5 MB / 0.9514 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01122/10.4, allocations: 2.061 MB / 3.476 GB, free: 279.4 MB / 0.9514 GB Notification: Performance of SimCode: time 8.81e-07/10.4, allocations: 0 / 3.476 GB, free: 279.4 MB / 0.9514 GB Notification: Performance of Templates: time 1.095/11.5, allocations: 0.6391 GB / 4.116 GB, free: 70.93 MB / 0.9514 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.makefile (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 & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3 -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)