Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001225/0.001225, allocations: 112.2 kB / 17.04 MB, free: 5.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00124/0.00124, allocations: 195 kB / 17.98 MB, free: 5.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.348/1.348, allocations: 222.9 MB / 241.7 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7336/0.7336, allocations: 115.1 MB / 406.9 MB, free: 6.379 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001403/0.001404, allocations: 60.12 kB / 494.8 MB, free: 15.84 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3374/0.3388, allocations: 76.15 MB / 0.5576 GB, free: 36.67 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01937/0.3582, allocations: 18.15 MB / 0.5753 GB, free: 24.62 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01065/0.3689, allocations: 6.797 MB / 0.582 GB, free: 20.02 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001844/0.3708, allocations: 55.69 kB / 0.582 GB, free: 20.01 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003892/0.3747, allocations: 1.46 MB / 0.5834 GB, free: 19.15 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003895/0.3786, allocations: 1.391 MB / 0.5848 GB, free: 18.38 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003866/0.3825, allocations: 1.291 MB / 0.5861 GB, free: 17.69 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.006662/0.3892, allocations: 5.443 MB / 0.5914 GB, free: 14.98 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007306/0.3965, allocations: 7.077 MB / 0.5983 GB, free: 10.76 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003459/0.4, allocations: 2.361 MB / 0.6006 GB, free: 8.391 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003474/0.4035, allocations: 2.945 MB / 0.6035 GB, free: 5.438 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0007878/0.4043, allocations: 0.5117 MB / 0.604 GB, free: 4.926 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002254/0.4066, allocations: 1.272 MB / 0.6052 GB, free: 3.652 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001734/0.4083, allocations: 2.23 MB / 0.6074 GB, free: 1.418 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002419/0.4107, allocations: 2.171 MB / 0.6095 GB, free: 15.23 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008556/0.4193, allocations: 7.734 MB / 0.6171 GB, free: 7.48 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.39e-06/0.4193, allocations: 4 kB / 0.6171 GB, free: 7.477 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.044e-06/0.4194, allocations: 0 / 0.6171 GB, free: 7.477 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0001957/0.4196, allocations: 0 / 0.6171 GB, free: 7.477 MB / 462.1 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 0.009052/0.4286, allocations: 3.792 MB / 0.6208 GB, free: 3.625 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.003e-05/0.4287, allocations: 8.031 kB / 0.6208 GB, free: 3.617 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01217/0.4408, allocations: 2.349 MB / 0.6231 GB, free: 1.262 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005907/0.4468, allocations: 2.167 MB / 0.6252 GB, free: 15.05 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002091/0.447, allocations: 267.3 kB / 0.6254 GB, free: 14.79 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001129/0.4482, allocations: 347.9 kB / 0.6258 GB, free: 14.45 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01647/0.4646, allocations: 7.095 MB / 0.6327 GB, free: 7.25 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.999e-05/0.4647, allocations: 7.906 kB / 0.6327 GB, free: 7.242 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004637/0.4652, allocations: 144 kB / 0.6328 GB, free: 7.102 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004335/0.4657, allocations: 338 kB / 0.6332 GB, free: 6.77 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01573/0.4814, allocations: 6.981 MB / 0.64 GB, free: 15.77 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0335/0.5149, allocations: 26.37 MB / 0.6657 GB, free: 3.227 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008314/0.5233, allocations: 4.987 MB / 0.6706 GB, free: 13.93 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005657/0.529, allocations: 2.608 MB / 0.6732 GB, free: 11.3 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003219/0.5293, allocations: 127 kB / 0.6733 GB, free: 11.16 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.439e-05/0.5294, allocations: 64.5 kB / 0.6733 GB, free: 11.09 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 5.22e-06/0.5294, allocations: 0 / 0.6733 GB, free: 11.09 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.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 0.1019/0.6313, allocations: 30.88 MB / 0.7035 GB, free: 12.12 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001308/0.6315, allocations: 247.5 kB / 0.7037 GB, free: 11.84 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002021/0.6335, allocations: 1.404 MB / 0.7051 GB, free: 10.42 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0004858/0.634, allocations: 69.7 kB / 0.7052 GB, free: 10.35 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009527/0.635, allocations: 1.485 MB / 0.7066 GB, free: 8.84 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001012/0.636, allocations: 0.9242 MB / 0.7075 GB, free: 7.902 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001141/0.6371, allocations: 0.6241 MB / 0.7081 GB, free: 7.27 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 9.789e-05/0.6372, allocations: 305.1 kB / 0.7084 GB, free: 6.969 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00574/0.643, allocations: 2.67 MB / 0.711 GB, free: 4.289 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006468/0.6495, allocations: 3.556 MB / 0.7145 GB, free: 360 kB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01262/0.6621, allocations: 6.379 MB / 0.7207 GB, free: 9.574 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.939e-05/0.6622, allocations: 8 kB / 0.7207 GB, free: 9.566 MB / 0.5606 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 0.02895/0.6912, allocations: 10.95 MB / 0.7314 GB, free: 14.51 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.932e-05/0.6912, allocations: 16 kB / 0.7314 GB, free: 14.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.267e-05/0.6913, allocations: 28 kB / 0.7315 GB, free: 14.47 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02034/0.7116, allocations: 5.478 MB / 0.7368 GB, free: 8.977 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004313/0.716, allocations: 0.9944 MB / 0.7378 GB, free: 7.98 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2972/1.013, allocations: 28.13 MB / 0.7653 GB, free: 144.4 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004686/1.018, allocations: 0.5528 MB / 0.7658 GB, free: 144.3 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004786/1.018, allocations: 153.3 kB / 0.7659 GB, free: 144.3 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008257/1.027, allocations: 3.961 MB / 0.7698 GB, free: 143 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005688/1.032, allocations: 3.516 MB / 0.7733 GB, free: 141.1 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07962/1.112, allocations: 24.55 MB / 0.7972 GB, free: 131.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.457e-05/1.112, allocations: 8 kB / 0.7972 GB, free: 131.9 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 0.02209/1.134, allocations: 10.49 MB / 0.8075 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.657e-05/1.134, allocations: 16.56 kB / 0.8075 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.924e-05/1.134, allocations: 35.98 kB / 0.8075 GB, free: 121.3 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01372/1.148, allocations: 4.243 MB / 0.8117 GB, free: 117.1 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004216/1.152, allocations: 1.026 MB / 0.8127 GB, free: 116.1 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0282/1.181, allocations: 27.13 MB / 0.8392 GB, free: 88.34 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003945/1.185, allocations: 0.5441 MB / 0.8397 GB, free: 87.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005135/1.185, allocations: 148 kB / 0.8398 GB, free: 87.66 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 0.0009615/1.186, allocations: 392.8 kB / 0.8402 GB, free: 87.28 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005465/1.187, allocations: 189.8 kB / 0.8404 GB, free: 87.09 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 0.02277/1.209, allocations: 10.17 MB / 0.8503 GB, free: 76.85 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.001e-05/1.209, allocations: 28 kB / 0.8504 GB, free: 76.82 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.895e-05/1.209, allocations: 19.59 kB / 0.8504 GB, free: 76.8 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.903e-05/1.21, allocations: 11.95 kB / 0.8504 GB, free: 76.79 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 0.03165/1.241, allocations: 16.28 MB / 0.8663 GB, free: 60.35 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.863e-05/1.241, allocations: 8 kB / 0.8663 GB, free: 60.34 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003174/1.244, allocations: 0.7411 MB / 0.867 GB, free: 59.6 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01682/1.261, allocations: 5.099 MB / 0.872 GB, free: 54.48 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004863/1.262, allocations: 67.95 kB / 0.8721 GB, free: 54.42 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03231/1.294, allocations: 27.19 MB / 0.8986 GB, free: 26.75 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.243e-06/1.294, allocations: 16.03 kB / 0.8986 GB, free: 26.74 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 : 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 0.02203/1.316, allocations: 10.12 MB / 0.9085 GB, free: 16.37 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001811/1.318, allocations: 0.7235 MB / 0.9092 GB, free: 15.62 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005173/1.319, allocations: 55.98 kB / 0.9093 GB, free: 15.57 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003188/1.322, allocations: 0.4953 MB / 0.9098 GB, free: 15.07 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006889/1.322, allocations: 230.3 kB / 0.91 GB, free: 14.85 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002445/1.323, allocations: 95.95 kB / 0.9101 GB, free: 14.75 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001035/1.324, allocations: 0.9411 MB / 0.911 GB, free: 13.81 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.7e-07/1.324, allocations: 0 / 0.911 GB, free: 13.81 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.005223/1.329, allocations: 1.84 MB / 0.9128 GB, free: 11.97 MB / 0.5762 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 0.0003892/1.329, allocations: 183 kB / 0.913 GB, free: 11.79 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.02473/1.354, allocations: 12.41 MB / 0.9251 GB, free: 15.28 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 1.101e-05/1.354, allocations: 0 / 0.9251 GB, free: 15.28 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.01023/1.364, allocations: 4.393 MB / 0.9294 GB, free: 10.85 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002562/1.367, allocations: 267.1 kB / 0.9296 GB, free: 10.6 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02294/1.39, allocations: 9.437 MB / 0.9388 GB, free: 1.066 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003385/1.393, allocations: 2.844 MB / 0.9416 GB, free: 14.19 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.004359/1.398, allocations: 1.641 MB / 0.9432 GB, free: 12.55 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006812/1.398, allocations: 167.3 kB / 0.9434 GB, free: 12.38 MB / 0.6075 GB Notification: Performance of SimCode: time 9.11e-07/1.398, allocations: 0 / 0.9434 GB, free: 12.38 MB / 0.6075 GB Notification: Performance of Templates: time 0.3483/1.747, allocations: 77.18 MB / 1.019 GB, free: 192.3 MB / 0.6387 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)