Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.00182/0.00182, allocations: 104.2 kB / 16.45 MB, free: 6.449 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.002155/0.002155, allocations: 210.4 kB / 19.43 MB, free: 3.637 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.448/1.448, allocations: 230.6 MB / 252.8 MB, free: 9.102 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.092/3.092, allocations: 0.49 GB / 0.7916 GB, free: 33.44 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_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_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002021/0.002021, allocations: 70.48 kB / 1.149 GB, free: 26.4 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3185/0.3206, allocations: 176.1 MB / 1.321 GB, free: 3.234 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02419/0.3448, allocations: 18.63 MB / 1.339 GB, free: 0.543 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.01245/0.3572, allocations: 6.913 MB / 1.346 GB, free: 9.613 MB / 1.045 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001869/0.3591, allocations: 67.75 kB / 1.346 GB, free: 9.547 MB / 1.045 GB Notification: Performance of NFTyping.typeComponents: time 0.004212/0.3633, allocations: 1.507 MB / 1.347 GB, free: 8.035 MB / 1.045 GB Notification: Performance of NFTyping.typeBindings: time 0.004166/0.3674, allocations: 1.447 MB / 1.349 GB, free: 6.582 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.003495/0.3709, allocations: 1.274 MB / 1.35 GB, free: 5.309 MB / 1.045 GB Notification: Performance of NFFlatten.flatten: time 0.006638/0.3776, allocations: 5.472 MB / 1.355 GB, free: 15.82 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007194/0.3848, allocations: 5.183 MB / 1.36 GB, free: 10.53 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00374/0.3885, allocations: 2.412 MB / 1.363 GB, free: 8.109 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004925/0.3934, allocations: 3.163 MB / 1.366 GB, free: 4.938 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.001237/0.3947, allocations: 0.5156 MB / 1.366 GB, free: 4.422 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002856/0.3975, allocations: 1.299 MB / 1.368 GB, free: 3.121 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.002872/0.4004, allocations: 2.303 MB / 1.37 GB, free: 0.8125 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.003291/0.4037, allocations: 2.19 MB / 1.372 GB, free: 14.61 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.009316/0.413, allocations: 7.796 MB / 1.38 GB, free: 6.793 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 5.179e-06/0.413, allocations: 0 / 1.38 GB, free: 6.793 MB / 1.076 GB Notification: Performance of FrontEnd: time 1.803e-06/0.413, allocations: 0 / 1.38 GB, free: 6.793 MB / 1.076 GB Notification: Performance of Transformations before backend: time 0.0001835/0.4132, allocations: 0 / 1.38 GB, free: 6.793 MB / 1.076 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 0.01002/0.4232, allocations: 3.911 MB / 1.383 GB, free: 2.816 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 5.093e-05/0.4233, allocations: 15.98 kB / 1.383 GB, free: 2.801 MB / 1.076 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001315/0.4246, allocations: 0.5543 MB / 1.384 GB, free: 2.238 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01361/0.4382, allocations: 2.433 MB / 1.386 GB, free: 15.8 MB / 1.092 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005172/0.4434, allocations: 2.195 MB / 1.389 GB, free: 13.56 MB / 1.092 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002535/0.4436, allocations: 275.2 kB / 1.389 GB, free: 13.29 MB / 1.092 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001212/0.4448, allocations: 348 kB / 1.389 GB, free: 12.95 MB / 1.092 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01655/0.4614, allocations: 7.159 MB / 1.396 GB, free: 5.691 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.713e-05/0.4615, allocations: 0 / 1.396 GB, free: 5.691 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006142/0.4621, allocations: 152 kB / 1.396 GB, free: 5.543 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005063/0.4626, allocations: 334.1 kB / 1.397 GB, free: 5.215 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01719/0.4798, allocations: 7.047 MB / 1.403 GB, free: 14.15 MB / 1.107 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 0.03698/0.5168, allocations: 26.6 MB / 1.429 GB, free: 1.371 MB / 1.123 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00912/0.5259, allocations: 4.871 MB / 1.434 GB, free: 12.2 MB / 1.139 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006452/0.5323, allocations: 2.534 MB / 1.437 GB, free: 9.645 MB / 1.139 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000303/0.5326, allocations: 131 kB / 1.437 GB, free: 9.496 MB / 1.139 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.048e-05/0.5327, allocations: 56.56 kB / 1.437 GB, free: 9.434 MB / 1.139 GB Notification: Performance of pre-optimization done (n=208): time 3.617e-06/0.5327, allocations: 3.938 kB / 1.437 GB, free: 9.43 MB / 1.139 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 0.1095/0.6422, allocations: 31.11 MB / 1.467 GB, free: 10.26 MB / 1.17 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001486/0.6423, allocations: 243.5 kB / 1.467 GB, free: 9.969 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002272/0.6446, allocations: 1.465 MB / 1.469 GB, free: 8.496 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.000502/0.6451, allocations: 73.7 kB / 1.469 GB, free: 8.418 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.001123/0.6462, allocations: 1.554 MB / 1.471 GB, free: 6.848 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.001236/0.6474, allocations: 0.9606 MB / 1.471 GB, free: 5.879 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001291/0.6487, allocations: 0.6398 MB / 1.472 GB, free: 5.23 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001216/0.6489, allocations: 309.1 kB / 1.472 GB, free: 4.926 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006449/0.6553, allocations: 2.686 MB / 1.475 GB, free: 2.23 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007404/0.6627, allocations: 3.563 MB / 1.478 GB, free: 14.29 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01412/0.6768, allocations: 6.41 MB / 1.485 GB, free: 7.48 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.063e-05/0.6769, allocations: 4 kB / 1.485 GB, free: 7.477 MB / 1.186 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 0.03037/0.7072, allocations: 10.95 MB / 1.495 GB, free: 12.42 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 4.192e-05/0.7073, allocations: 19.94 kB / 1.495 GB, free: 12.4 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.878e-05/0.7073, allocations: 28 kB / 1.495 GB, free: 12.38 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02062/0.7279, allocations: 5.544 MB / 1.501 GB, free: 6.812 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004557/0.7325, allocations: 0.9867 MB / 1.502 GB, free: 5.824 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04667/0.7792, allocations: 28.2 MB / 1.529 GB, free: 9.156 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004807/0.784, allocations: 0.5733 MB / 1.53 GB, free: 8.582 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006879/0.7847, allocations: 159.9 kB / 1.53 GB, free: 8.426 MB / 1.232 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009076/0.7937, allocations: 3.982 MB / 1.534 GB, free: 4.438 MB / 1.232 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007708/0.8014, allocations: 3.528 MB / 1.537 GB, free: 0.5312 MB / 1.232 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09193/0.8934, allocations: 24.62 MB / 1.561 GB, free: 7.406 MB / 1.264 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.361e-05/0.8934, allocations: 8 kB / 1.561 GB, free: 7.398 MB / 1.264 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 0.02739/0.9208, allocations: 10.47 MB / 1.572 GB, free: 12.78 MB / 1.279 GB Notification: Performance of prepare postOptimizeDAE: time 3.429e-05/0.9208, allocations: 19.94 kB / 1.572 GB, free: 12.76 MB / 1.279 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.109e-05/0.9209, allocations: 28 kB / 1.572 GB, free: 12.73 MB / 1.279 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01563/0.9365, allocations: 4.313 MB / 1.576 GB, free: 8.395 MB / 1.279 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004669/0.9412, allocations: 1.045 MB / 1.577 GB, free: 7.348 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6704/1.612, allocations: 27.14 MB / 1.604 GB, free: 255.2 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004745/1.616, allocations: 0.5542 MB / 1.604 GB, free: 255.2 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006665/1.617, allocations: 153 kB / 1.604 GB, free: 255.2 MB / 1.295 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.0009048/1.618, allocations: 403 kB / 1.605 GB, free: 255 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006805/1.619, allocations: 208.8 kB / 1.605 GB, free: 255 MB / 1.295 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 0.03026/1.649, allocations: 10.09 MB / 1.615 GB, free: 253.8 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.915e-05/1.649, allocations: 27.41 kB / 1.615 GB, free: 253.8 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.02e-05/1.649, allocations: 12.72 kB / 1.615 GB, free: 253.8 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.675e-05/1.649, allocations: 15.94 kB / 1.615 GB, free: 253.8 MB / 1.295 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 0.03581/1.685, allocations: 16.19 MB / 1.63 GB, free: 248.1 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.367e-05/1.685, allocations: 8.25 kB / 1.63 GB, free: 248.1 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003372/1.688, allocations: 0.733 MB / 1.631 GB, free: 248.1 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0172/1.705, allocations: 5.179 MB / 1.636 GB, free: 247.5 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005484/1.706, allocations: 78.56 kB / 1.636 GB, free: 247.5 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03356/1.739, allocations: 27.27 MB / 1.663 GB, free: 229.2 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.003e-06/1.739, allocations: 12.03 kB / 1.663 GB, free: 229.2 MB / 1.295 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 0.02291/1.762, allocations: 10.03 MB / 1.673 GB, free: 218.9 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00159/1.764, allocations: 0.7416 MB / 1.673 GB, free: 218.2 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004749/1.764, allocations: 52 kB / 1.674 GB, free: 218.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003496/1.768, allocations: 0.507 MB / 1.674 GB, free: 217.6 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007472/1.769, allocations: 226.4 kB / 1.674 GB, free: 217.4 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002258/1.769, allocations: 95.95 kB / 1.674 GB, free: 217.3 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001216/1.77, allocations: 1.005 MB / 1.675 GB, free: 216.3 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.2e-07/1.77, allocations: 0 / 1.675 GB, free: 216.3 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.005882/1.776, allocations: 1.852 MB / 1.677 GB, free: 214.4 MB / 1.295 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 0.02321/1.799, allocations: 10.68 MB / 1.688 GB, free: 203.5 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02609/1.825, allocations: 12.01 MB / 1.699 GB, free: 191.4 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.399e-05/1.825, allocations: 0 / 1.699 GB, free: 191.4 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009457/1.835, allocations: 4.273 MB / 1.703 GB, free: 187.1 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002305/1.837, allocations: 291.1 kB / 1.704 GB, free: 186.8 MB / 1.295 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 0.08498/1.922, allocations: 42.32 MB / 1.745 GB, free: 143.2 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002644/1.925, allocations: 2.85 MB / 1.748 GB, free: 140.3 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.003832/1.929, allocations: 1.667 MB / 1.749 GB, free: 138.7 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001604/1.93, allocations: 1.227 MB / 1.751 GB, free: 137.5 MB / 1.295 GB Notification: Performance of SimCode: time 1.173e-06/1.93, allocations: 0 / 1.751 GB, free: 137.5 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1734/2.104, allocations: 104.2 MB / 1.852 GB, free: 33.67 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.2/18.3, allocations: 11.66 kB / 1.852 GB, free: 33.66 MB / 1.295 GB " [Timeout remaining time 282] (rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.mat --tempDir=temp_Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 24.876369680045173] Failed to read output from testmodel.py, exit status != 0: 18.437126564094797 18.445605679 18.030324751 Calling exit ...