Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",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 0.001633/0.001633, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002005/0.002005, allocations: 194.6 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.556/1.556, allocations: 205.1 MB / 222.4 MB, free: 4.578 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.763/1.763, allocations: 292.3 MB / 0.5489 GB, free: 13.49 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001449/0.001449, allocations: 64.28 kB / 0.6716 GB, free: 25.97 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2316/0.2331, allocations: 114.6 MB / 0.7835 GB, free: 13.43 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02299/0.2561, allocations: 18.24 MB / 0.8013 GB, free: 11.11 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01347/0.2697, allocations: 6.864 MB / 0.808 GB, free: 4.227 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002205/0.2719, allocations: 63.81 kB / 0.8081 GB, free: 4.164 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003829/0.2758, allocations: 1.465 MB / 0.8095 GB, free: 2.695 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003624/0.2795, allocations: 1.404 MB / 0.8109 GB, free: 1.285 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003159/0.2826, allocations: 1.285 MB / 0.8121 GB, free: 0 / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.005976/0.2886, allocations: 5.468 MB / 0.8175 GB, free: 10.52 MB / 0.6388 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008287/0.2969, allocations: 7.237 MB / 0.8246 GB, free: 3.164 MB / 0.6388 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004349/0.3013, allocations: 2.365 MB / 0.8269 GB, free: 0.7969 MB / 0.6388 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005111/0.3065, allocations: 2.964 MB / 0.8298 GB, free: 13.82 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001322/0.3078, allocations: 0.5156 MB / 0.8303 GB, free: 13.31 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00292/0.3108, allocations: 1.272 MB / 0.8315 GB, free: 12.04 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002663/0.3134, allocations: 2.242 MB / 0.8337 GB, free: 9.789 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003132/0.3166, allocations: 2.19 MB / 0.8358 GB, free: 7.59 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.007691/0.3243, allocations: 7.732 MB / 0.8434 GB, free: 15.84 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 7.254e-06/0.3243, allocations: 8 kB / 0.8434 GB, free: 15.83 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.084e-06/0.3243, allocations: 0 / 0.8434 GB, free: 15.83 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.000236/0.3246, allocations: 0 / 0.8434 GB, free: 15.83 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.009396/0.334, allocations: 3.819 MB / 0.8471 GB, free: 11.95 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.525e-05/0.334, allocations: 8.031 kB / 0.8471 GB, free: 11.94 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009227/0.335, allocations: 0.5465 MB / 0.8477 GB, free: 11.39 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01259/0.3476, allocations: 2.352 MB / 0.85 GB, free: 9.027 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006271/0.3539, allocations: 2.163 MB / 0.8521 GB, free: 6.82 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003467/0.3543, allocations: 279.2 kB / 0.8523 GB, free: 6.547 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001683/0.356, allocations: 344 kB / 0.8527 GB, free: 6.211 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01617/0.3722, allocations: 7.12 MB / 0.8596 GB, free: 14.99 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.64e-05/0.3723, allocations: 3.938 kB / 0.8596 GB, free: 14.98 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004493/0.3727, allocations: 152 kB / 0.8598 GB, free: 14.84 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005185/0.3733, allocations: 334.1 kB / 0.8601 GB, free: 14.51 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01582/0.3891, allocations: 6.997 MB / 0.8669 GB, free: 7.5 MB / 0.6856 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 0.03413/0.4232, allocations: 26.69 MB / 0.893 GB, free: 10.63 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008139/0.4314, allocations: 4.988 MB / 0.8978 GB, free: 5.336 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0058/0.4373, allocations: 2.596 MB / 0.9004 GB, free: 2.727 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002654/0.4376, allocations: 131 kB / 0.9005 GB, free: 2.582 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.67e-05/0.4376, allocations: 60.5 kB / 0.9006 GB, free: 2.512 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 5.149e-06/0.4376, allocations: 0 / 0.9006 GB, free: 2.512 MB / 0.7169 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.5033/0.941, allocations: 30.95 MB / 0.9308 GB, free: 124.7 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00011/0.9411, allocations: 243.3 kB / 0.931 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002609/0.9437, allocations: 1.443 MB / 0.9324 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006699/0.9444, allocations: 67.22 kB / 0.9325 GB, free: 123.8 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0011/0.9455, allocations: 1.5 MB / 0.934 GB, free: 122.7 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001271/0.9468, allocations: 0.9205 MB / 0.9349 GB, free: 122 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001282/0.9481, allocations: 0.6287 MB / 0.9355 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 6.408e-05/0.9482, allocations: 307.9 kB / 0.9358 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007055/0.9552, allocations: 2.669 MB / 0.9384 GB, free: 120.6 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007715/0.963, allocations: 3.548 MB / 0.9418 GB, free: 118.7 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01218/0.9752, allocations: 6.389 MB / 0.9481 GB, free: 115.7 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.973e-05/0.9753, allocations: 9.594 kB / 0.9481 GB, free: 115.7 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02909/1.004, allocations: 10.99 MB / 0.9588 GB, free: 110.6 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.172e-05/1.004, allocations: 19.75 kB / 0.9588 GB, free: 110.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.719e-05/1.004, allocations: 27.38 kB / 0.9589 GB, free: 110.6 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0182/1.023, allocations: 5.473 MB / 0.9642 GB, free: 108 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004033/1.027, allocations: 0.9859 MB / 0.9652 GB, free: 107.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03498/1.062, allocations: 28.18 MB / 0.9927 GB, free: 80.81 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004489/1.066, allocations: 0.5498 MB / 0.9932 GB, free: 80.26 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004875/1.067, allocations: 151.9 kB / 0.9934 GB, free: 80.11 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007067/1.074, allocations: 3.964 MB / 0.9972 GB, free: 76.14 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005303/1.079, allocations: 3.513 MB / 1.001 GB, free: 72.25 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07847/1.158, allocations: 24.59 MB / 1.025 GB, free: 47.17 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.688e-05/1.158, allocations: 8 kB / 1.025 GB, free: 47.16 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02314/1.181, allocations: 10.49 MB / 1.035 GB, free: 36.52 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.391e-05/1.181, allocations: 16 kB / 1.035 GB, free: 36.51 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.64e-05/1.181, allocations: 31.94 kB / 1.035 GB, free: 36.48 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01333/1.194, allocations: 4.265 MB / 1.039 GB, free: 32.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004335/1.199, allocations: 1.026 MB / 1.04 GB, free: 31.18 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02941/1.228, allocations: 27.13 MB / 1.067 GB, free: 3.355 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004494/1.233, allocations: 0.538 MB / 1.067 GB, free: 2.816 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004683/1.233, allocations: 151.9 kB / 1.067 GB, free: 2.668 MB / 0.7325 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001148/1.234, allocations: 399.3 kB / 1.068 GB, free: 2.27 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008061/1.235, allocations: 204 kB / 1.068 GB, free: 2.07 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02567/1.261, allocations: 10.17 MB / 1.078 GB, free: 7.828 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.519e-05/1.261, allocations: 31.98 kB / 1.078 GB, free: 7.797 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.818e-05/1.261, allocations: 12 kB / 1.078 GB, free: 7.785 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.126e-05/1.261, allocations: 11.95 kB / 1.078 GB, free: 7.773 MB / 0.7481 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03685/1.298, allocations: 16.31 MB / 1.094 GB, free: 7.301 MB / 0.7638 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.5e-05/1.298, allocations: 8 kB / 1.094 GB, free: 7.293 MB / 0.7638 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003483/1.301, allocations: 0.7333 MB / 1.095 GB, free: 6.559 MB / 0.7638 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01782/1.319, allocations: 5.115 MB / 1.1 GB, free: 1.426 MB / 0.7638 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005256/1.32, allocations: 79.89 kB / 1.1 GB, free: 1.348 MB / 0.7638 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03873/1.359, allocations: 27.25 MB / 1.126 GB, free: 5.625 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.218e-06/1.359, allocations: 12.03 kB / 1.126 GB, free: 5.613 MB / 0.795 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02596/1.385, allocations: 10.09 MB / 1.136 GB, free: 11.27 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001923/1.387, allocations: 0.723 MB / 1.137 GB, free: 10.52 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006225/1.387, allocations: 55.98 kB / 1.137 GB, free: 10.47 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003635/1.391, allocations: 0.5031 MB / 1.137 GB, free: 9.965 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008263/1.392, allocations: 230.3 kB / 1.138 GB, free: 9.738 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002458/1.392, allocations: 87.95 kB / 1.138 GB, free: 9.652 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001343/1.393, allocations: 0.9816 MB / 1.139 GB, free: 8.668 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.7e-07/1.393, allocations: 0 / 1.139 GB, free: 8.668 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.008856/1.402, allocations: 1.844 MB / 1.14 GB, free: 6.824 MB / 0.8106 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02656/1.429, allocations: 10.75 MB / 1.151 GB, free: 11.82 MB / 0.8263 GB Notification: Performance of simCode: created initialization part: time 0.03504/1.464, allocations: 14.34 MB / 1.165 GB, free: 13.4 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.481e-05/1.464, allocations: 8.125 kB / 1.165 GB, free: 13.39 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.01103/1.475, allocations: 4.424 MB / 1.169 GB, free: 8.926 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002615/1.478, allocations: 285.5 kB / 1.169 GB, free: 8.656 MB / 0.8419 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09648/1.574, allocations: 44.12 MB / 1.213 GB, free: 10.52 MB / 0.8888 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003109/1.577, allocations: 2.853 MB / 1.215 GB, free: 7.629 MB / 0.8888 GB Notification: Performance of simCode: alias equations: time 0.004822/1.582, allocations: 1.641 MB / 1.217 GB, free: 5.984 MB / 0.8888 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001776/1.584, allocations: 1.222 MB / 1.218 GB, free: 4.762 MB / 0.8888 GB Notification: Performance of SimCode: time 1.343e-06/1.584, allocations: 4 kB / 1.218 GB, free: 4.758 MB / 0.8888 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5378/2.122, allocations: 101.7 MB / 1.317 GB, free: 306.2 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.7/15.82, allocations: 12.34 kB / 1.317 GB, free: 306.2 MB / 0.9356 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)