Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001336/0.001336, allocations: 102.6 kB / 16.27 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001415/0.001415, allocations: 190.5 kB / 17.2 MB, free: 5.574 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.442/1.442, allocations: 222.9 MB / 240.9 MB, free: 15.27 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7521/0.7521, allocations: 126.1 MB / 417.1 MB, free: 12.91 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00125/0.00125, allocations: 59.89 kB / 0.495 GB, free: 3.512 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3872/0.3885, allocations: 78.7 MB / 0.5719 GB, free: 31.32 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01756/0.4061, allocations: 18.24 MB / 0.5897 GB, free: 18.1 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01048/0.4166, allocations: 6.863 MB / 0.5964 GB, free: 12.71 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002148/0.4188, allocations: 56.31 kB / 0.5964 GB, free: 12.7 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003431/0.4223, allocations: 1.472 MB / 0.5979 GB, free: 11.55 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003401/0.4257, allocations: 1.446 MB / 0.5993 GB, free: 10.41 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002657/0.4283, allocations: 1.268 MB / 0.6005 GB, free: 9.242 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.003777/0.4321, allocations: 5.47 MB / 0.6059 GB, free: 3.762 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007245/0.4394, allocations: 7.235 MB / 0.6129 GB, free: 12.47 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003644/0.4431, allocations: 2.369 MB / 0.6152 GB, free: 10.09 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005623/0.4487, allocations: 2.964 MB / 0.6181 GB, free: 7.121 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.00121/0.4499, allocations: 0.5117 MB / 0.6186 GB, free: 6.609 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003087/0.453, allocations: 1.272 MB / 0.6199 GB, free: 5.336 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002701/0.4558, allocations: 2.246 MB / 0.6221 GB, free: 3.086 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003609/0.4594, allocations: 2.194 MB / 0.6242 GB, free: 0.8828 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01037/0.4698, allocations: 7.729 MB / 0.6318 GB, free: 9.133 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.473e-06/0.4698, allocations: 0 / 0.6318 GB, free: 9.133 MB / 478.1 MB Notification: Performance of FrontEnd: time 2.565e-06/0.4698, allocations: 4 kB / 0.6318 GB, free: 9.129 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0002066/0.47, allocations: 0 / 0.6318 GB, free: 9.129 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.008881/0.4789, allocations: 3.827 MB / 0.6355 GB, free: 5.242 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.499e-05/0.479, allocations: 8.031 kB / 0.6355 GB, free: 5.234 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01283/0.4918, allocations: 2.415 MB / 0.6379 GB, free: 2.812 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004991/0.4968, allocations: 2.167 MB / 0.64 GB, free: 0.6016 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002082/0.4971, allocations: 271.5 kB / 0.6402 GB, free: 344 kB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001051/0.4981, allocations: 343.9 kB / 0.6406 GB, free: 0 / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01605/0.5142, allocations: 7.166 MB / 0.6476 GB, free: 8.73 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.027e-05/0.5143, allocations: 0 / 0.6476 GB, free: 8.73 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005102/0.5148, allocations: 152 kB / 0.6477 GB, free: 8.582 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004886/0.5153, allocations: 338.1 kB / 0.648 GB, free: 8.25 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01604/0.5314, allocations: 7.051 MB / 0.6549 GB, free: 1.191 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03544/0.5669, allocations: 26.68 MB / 0.681 GB, free: 4.332 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00794/0.5749, allocations: 4.991 MB / 0.6858 GB, free: 15.04 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005733/0.5806, allocations: 2.6 MB / 0.6884 GB, free: 12.41 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002363/0.5809, allocations: 127 kB / 0.6885 GB, free: 12.27 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.237e-05/0.5809, allocations: 64.5 kB / 0.6886 GB, free: 12.2 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 3.988e-06/0.581, allocations: 0 / 0.6886 GB, free: 12.2 MB / 0.5294 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.conv2.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.conv2.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 0.1014/0.6823, allocations: 30.96 MB / 0.7188 GB, free: 13.16 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001788/0.6826, allocations: 239.6 kB / 0.719 GB, free: 12.88 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002498/0.6851, allocations: 1.469 MB / 0.7205 GB, free: 11.4 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005497/0.6856, allocations: 69.7 kB / 0.7205 GB, free: 11.32 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009311/0.6866, allocations: 1.501 MB / 0.722 GB, free: 9.801 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009469/0.6875, allocations: 0.9126 MB / 0.7229 GB, free: 8.875 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001067/0.6886, allocations: 0.6357 MB / 0.7235 GB, free: 8.23 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001044/0.6887, allocations: 309 kB / 0.7238 GB, free: 7.926 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005657/0.6944, allocations: 2.682 MB / 0.7264 GB, free: 5.234 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006303/0.7007, allocations: 3.563 MB / 0.7299 GB, free: 1.293 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01216/0.7129, allocations: 6.406 MB / 0.7362 GB, free: 10.49 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.914e-05/0.7129, allocations: 8 kB / 0.7362 GB, free: 10.48 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.conv2.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.conv2.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 0.3677/1.081, allocations: 10.98 MB / 0.7469 GB, free: 149.5 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.614e-05/1.081, allocations: 18.44 kB / 0.7469 GB, free: 149.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.828e-05/1.081, allocations: 29.28 kB / 0.7469 GB, free: 149.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02222/1.103, allocations: 5.576 MB / 0.7524 GB, free: 149.4 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00461/1.108, allocations: 0.9981 MB / 0.7534 GB, free: 149.4 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04064/1.148, allocations: 28.19 MB / 0.7809 GB, free: 133.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004615/1.153, allocations: 0.5709 MB / 0.7814 GB, free: 133.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005988/1.154, allocations: 151.8 kB / 0.7816 GB, free: 133.6 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007265/1.161, allocations: 3.981 MB / 0.7855 GB, free: 131.4 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005863/1.167, allocations: 3.533 MB / 0.7889 GB, free: 128.9 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07916/1.246, allocations: 24.66 MB / 0.813 GB, free: 103.7 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.552e-05/1.246, allocations: 8 kB / 0.813 GB, free: 103.7 MB / 0.5762 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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.conv2.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] ] 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_lambda0): time 0.0232/1.269, allocations: 10.53 MB / 0.8233 GB, free: 93.17 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.465e-05/1.269, allocations: 20 kB / 0.8233 GB, free: 93.15 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.991e-05/1.269, allocations: 28.03 kB / 0.8233 GB, free: 93.12 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01377/1.283, allocations: 4.336 MB / 0.8276 GB, free: 88.77 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00438/1.287, allocations: 1.037 MB / 0.8286 GB, free: 87.73 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02837/1.316, allocations: 27.16 MB / 0.8551 GB, free: 59.92 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004456/1.32, allocations: 0.5574 MB / 0.8557 GB, free: 59.36 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005513/1.321, allocations: 147.9 kB / 0.8558 GB, free: 59.22 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.0009337/1.322, allocations: 403.6 kB / 0.8562 GB, free: 58.84 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000598/1.322, allocations: 205.5 kB / 0.8564 GB, free: 58.64 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02388/1.346, allocations: 10.17 MB / 0.8663 GB, free: 48.41 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.711e-05/1.346, allocations: 28 kB / 0.8663 GB, free: 48.38 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.27e-05/1.346, allocations: 12 kB / 0.8663 GB, free: 48.37 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.119e-05/1.347, allocations: 19.94 kB / 0.8664 GB, free: 48.35 MB / 0.5762 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; 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.conv2.V2[1] ] 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 0.03117/1.378, allocations: 16.36 MB / 0.8823 GB, free: 31.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.848e-05/1.378, allocations: 11.75 kB / 0.8823 GB, free: 31.79 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00318/1.381, allocations: 0.7336 MB / 0.8831 GB, free: 31.06 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01672/1.398, allocations: 5.2 MB / 0.8881 GB, free: 25.84 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000762/1.399, allocations: 67.95 kB / 0.8882 GB, free: 25.77 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03306/1.432, allocations: 27.23 MB / 0.9148 GB, free: 14.06 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.095e-06/1.432, allocations: 8 kB / 0.9148 GB, free: 14.05 MB / 0.5919 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02598/1.458, allocations: 10.13 MB / 0.9247 GB, free: 3.684 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001943/1.46, allocations: 0.7182 MB / 0.9254 GB, free: 2.945 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005837/1.46, allocations: 59.98 kB / 0.9254 GB, free: 2.887 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003615/1.464, allocations: 0.5069 MB / 0.9259 GB, free: 2.379 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009608/1.465, allocations: 230.4 kB / 0.9262 GB, free: 2.152 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002508/1.465, allocations: 91.95 kB / 0.9262 GB, free: 2.062 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001727/1.467, allocations: 0.9972 MB / 0.9272 GB, free: 1.062 MB / 0.5919 GB Notification: Performance of sort global known variables: time 3.21e-07/1.467, allocations: 4 kB / 0.9272 GB, free: 1.059 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.00671/1.474, allocations: 1.856 MB / 0.929 GB, free: 15.2 MB / 0.6075 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 0.00039/1.474, allocations: 186.1 kB / 0.9292 GB, free: 15.02 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.03272/1.507, allocations: 14.39 MB / 0.9433 GB, free: 0.5469 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 1.388e-05/1.507, allocations: 4.125 kB / 0.9433 GB, free: 0.543 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.01133/1.518, allocations: 4.389 MB / 0.9476 GB, free: 12.13 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002968/1.521, allocations: 294.1 kB / 0.9478 GB, free: 11.85 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02629/1.547, allocations: 9.555 MB / 0.9572 GB, free: 2.18 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003532/1.551, allocations: 2.86 MB / 0.96 GB, free: 15.29 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.005131/1.556, allocations: 1.649 MB / 0.9616 GB, free: 13.63 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006405/1.557, allocations: 171.3 kB / 0.9617 GB, free: 13.46 MB / 0.6387 GB Notification: Performance of SimCode: time 9.32e-07/1.557, allocations: 0 / 0.9617 GB, free: 13.46 MB / 0.6387 GB Notification: Performance of Templates: time 0.4412/1.998, allocations: 78.12 MB / 1.038 GB, free: 193.2 MB / 0.6544 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)