Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0012/0.0012, allocations: 106.6 kB / 16.64 MB, free: 6.371 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001154/0.001154, allocations: 193.5 kB / 17.56 MB, free: 5.797 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.391/1.391, allocations: 222.9 MB / 241.2 MB, free: 15.42 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8489/0.8489, allocations: 122.9 MB / 414.3 MB, free: 32 kB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001533/0.001533, allocations: 60.14 kB / 0.4913 GB, free: 7.777 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3775/0.3791, allocations: 77.92 MB / 0.5674 GB, free: 32.77 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01864/0.3977, allocations: 18.05 MB / 0.585 GB, free: 20.77 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01032/0.4082, allocations: 6.746 MB / 0.5916 GB, free: 15.57 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002124/0.4103, allocations: 44.28 kB / 0.5916 GB, free: 15.56 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00322/0.4136, allocations: 1.362 MB / 0.593 GB, free: 14.52 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003674/0.4173, allocations: 1.313 MB / 0.5942 GB, free: 13.51 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003651/0.4209, allocations: 1.157 MB / 0.5954 GB, free: 12.63 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.006325/0.4273, allocations: 5.463 MB / 0.6007 GB, free: 8.777 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.009968/0.4373, allocations: 8.486 MB / 0.609 GB, free: 252 kB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004354/0.4416, allocations: 2.376 MB / 0.6113 GB, free: 13.86 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005473/0.4471, allocations: 3.128 MB / 0.6144 GB, free: 10.72 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001727/0.4489, allocations: 0.5078 MB / 0.6149 GB, free: 10.21 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004076/0.453, allocations: 1.252 MB / 0.6161 GB, free: 8.961 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003843/0.4569, allocations: 2.242 MB / 0.6183 GB, free: 6.715 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.005/0.4619, allocations: 2.167 MB / 0.6204 GB, free: 4.539 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008423/0.4703, allocations: 6.618 MB / 0.6268 GB, free: 13.91 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.569e-06/0.4704, allocations: 0 / 0.6268 GB, free: 13.91 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.373e-06/0.4704, allocations: 4 kB / 0.6269 GB, free: 13.9 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0003077/0.4707, allocations: 4 kB / 0.6269 GB, free: 13.9 MB / 478.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01297/0.4837, allocations: 3.788 MB / 0.6306 GB, free: 10.05 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.782e-05/0.4837, allocations: 12.61 kB / 0.6306 GB, free: 10.04 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0136/0.4973, allocations: 2.395 MB / 0.6329 GB, free: 7.637 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005262/0.5026, allocations: 2.159 MB / 0.635 GB, free: 5.434 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003029/0.503, allocations: 267.4 kB / 0.6353 GB, free: 5.172 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001695/0.5047, allocations: 343.9 kB / 0.6356 GB, free: 4.836 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01891/0.5236, allocations: 7.127 MB / 0.6426 GB, free: 13.61 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001352/0.5238, allocations: 7.938 kB / 0.6426 GB, free: 13.6 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00121/0.525, allocations: 148 kB / 0.6427 GB, free: 13.46 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005233/0.5255, allocations: 334 kB / 0.643 GB, free: 13.13 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01714/0.5427, allocations: 7.035 MB / 0.6499 GB, free: 6.078 MB / 494.1 MB 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 0.03808/0.5808, allocations: 26.6 MB / 0.6759 GB, free: 9.309 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008868/0.5897, allocations: 4.996 MB / 0.6807 GB, free: 4 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006094/0.5959, allocations: 2.6 MB / 0.6833 GB, free: 1.391 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003384/0.5962, allocations: 131 kB / 0.6834 GB, free: 1.246 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.641e-05/0.5963, allocations: 68.5 kB / 0.6835 GB, free: 1.168 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 4.569e-06/0.5963, allocations: 0 / 0.6835 GB, free: 1.168 MB / 0.5137 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 0.1059/0.7022, allocations: 30.91 MB / 0.7137 GB, free: 2.168 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001433/0.7024, allocations: 243.6 kB / 0.7139 GB, free: 1.883 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002512/0.7049, allocations: 1.423 MB / 0.7153 GB, free: 460 kB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0006053/0.7055, allocations: 69.7 kB / 0.7153 GB, free: 384 kB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.001123/0.7066, allocations: 1.485 MB / 0.7168 GB, free: 14.87 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001305/0.708, allocations: 0.9165 MB / 0.7177 GB, free: 13.94 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00191/0.7099, allocations: 0.6357 MB / 0.7183 GB, free: 13.29 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001042/0.71, allocations: 301.1 kB / 0.7186 GB, free: 13 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006283/0.7163, allocations: 2.694 MB / 0.7212 GB, free: 10.29 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006981/0.7233, allocations: 3.571 MB / 0.7247 GB, free: 6.348 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01328/0.7366, allocations: 6.406 MB / 0.731 GB, free: 15.54 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.693e-05/0.7367, allocations: 4 kB / 0.731 GB, free: 15.54 MB / 0.5762 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 0.03009/0.7668, allocations: 11.03 MB / 0.7418 GB, free: 4.398 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.778e-05/0.7669, allocations: 16 kB / 0.7418 GB, free: 4.383 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.166e-05/0.7669, allocations: 24 kB / 0.7418 GB, free: 4.359 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3224/1.089, allocations: 5.561 MB / 0.7472 GB, free: 152.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00511/1.095, allocations: 0.9927 MB / 0.7482 GB, free: 152.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04691/1.141, allocations: 28.19 MB / 0.7757 GB, free: 138.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004842/1.146, allocations: 0.5794 MB / 0.7763 GB, free: 138.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008447/1.147, allocations: 150.4 kB / 0.7764 GB, free: 138.6 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007613/1.155, allocations: 3.989 MB / 0.7803 GB, free: 137.2 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005701/1.161, allocations: 3.533 MB / 0.7838 GB, free: 135.4 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08153/1.242, allocations: 24.68 MB / 0.8079 GB, free: 113.2 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.57e-05/1.242, allocations: 8 kB / 0.8079 GB, free: 113.2 MB / 0.5762 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 0.02369/1.266, allocations: 10.54 MB / 0.8182 GB, free: 102.6 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.221e-05/1.266, allocations: 20 kB / 0.8182 GB, free: 102.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.252e-05/1.266, allocations: 24 kB / 0.8182 GB, free: 102.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01371/1.28, allocations: 4.339 MB / 0.8225 GB, free: 98.19 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004373/1.284, allocations: 1.041 MB / 0.8235 GB, free: 97.15 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02942/1.314, allocations: 27.11 MB / 0.8499 GB, free: 69.38 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004449/1.318, allocations: 0.5459 MB / 0.8505 GB, free: 68.83 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007068/1.319, allocations: 151.9 kB / 0.8506 GB, free: 68.68 MB / 0.5762 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 0.001427/1.32, allocations: 394.5 kB / 0.851 GB, free: 68.3 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008416/1.321, allocations: 201.7 kB / 0.8512 GB, free: 68.11 MB / 0.5762 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 0.02403/1.345, allocations: 10.16 MB / 0.8611 GB, free: 57.88 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.383e-05/1.345, allocations: 32 kB / 0.8611 GB, free: 57.85 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.067e-05/1.345, allocations: 19.72 kB / 0.8612 GB, free: 57.83 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.298e-05/1.345, allocations: 15.95 kB / 0.8612 GB, free: 57.82 MB / 0.5762 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 0.03213/1.378, allocations: 16.31 MB / 0.8771 GB, free: 41.34 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.71e-05/1.378, allocations: 11.94 kB / 0.8771 GB, free: 41.33 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003197/1.381, allocations: 0.7335 MB / 0.8778 GB, free: 40.6 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01702/1.398, allocations: 5.196 MB / 0.8829 GB, free: 35.38 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006321/1.399, allocations: 71.95 kB / 0.883 GB, free: 35.31 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03231/1.431, allocations: 27.26 MB / 0.9096 GB, free: 7.566 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.568e-06/1.431, allocations: 12.03 kB / 0.9096 GB, free: 7.555 MB / 0.5762 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 0.02381/1.455, allocations: 10.09 MB / 0.9195 GB, free: 13.21 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001967/1.457, allocations: 0.7132 MB / 0.9202 GB, free: 12.48 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005916/1.457, allocations: 58.25 kB / 0.9202 GB, free: 12.43 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003564/1.461, allocations: 0.5109 MB / 0.9207 GB, free: 11.91 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008173/1.462, allocations: 222.4 kB / 0.9209 GB, free: 11.7 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002676/1.462, allocations: 91.95 kB / 0.921 GB, free: 11.61 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001616/1.464, allocations: 0.9761 MB / 0.922 GB, free: 10.63 MB / 0.5919 GB Notification: Performance of sort global known variables: time 4.01e-07/1.464, allocations: 4 kB / 0.922 GB, free: 10.62 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.007168/1.471, allocations: 1.844 MB / 0.9238 GB, free: 8.781 MB / 0.5919 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005495/1.471, allocations: 183.7 kB / 0.924 GB, free: 8.598 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.03431/1.506, allocations: 14.39 MB / 0.938 GB, free: 10.11 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 1.594e-05/1.506, allocations: 4 kB / 0.938 GB, free: 10.11 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0113/1.517, allocations: 4.42 MB / 0.9423 GB, free: 5.66 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002924/1.52, allocations: 264.1 kB / 0.9426 GB, free: 5.41 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02494/1.545, allocations: 11.14 MB / 0.9535 GB, free: 10.16 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004376/1.549, allocations: 2.909 MB / 0.9563 GB, free: 7.215 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001322/1.551, allocations: 211.3 kB / 0.9565 GB, free: 7.008 MB / 0.6231 GB Notification: Performance of SimCode: time 1.503e-06/1.551, allocations: 0 / 0.9565 GB, free: 7.008 MB / 0.6231 GB Notification: Performance of Templates: time 0.4037/1.955, allocations: 107 MB / 1.061 GB, free: 177.6 MB / 0.6544 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)