Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004766/0.004766, allocations: 96.7 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001293/0.001294, allocations: 194.8 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.428/1.428, allocations: 222.9 MB / 240.4 MB, free: 4.309 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00241/0.002409, allocations: 282.1 kB / 290.8 MB, free: 1.914 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.087/1.087, allocations: 178.6 MB / 0.5074 GB, free: 4.488 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002715/0.002715, allocations: 99.84 kB / 0.6944 GB, free: 3.52 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4614/0.4642, allocations: 89.14 MB / 0.7814 GB, free: 13.87 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02473/0.4889, allocations: 18.26 MB / 0.7993 GB, free: 1.711 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01316/0.5021, allocations: 6.868 MB / 0.806 GB, free: 12.46 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001985/0.5042, allocations: 56.53 kB / 0.806 GB, free: 12.46 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004109/0.5083, allocations: 1.466 MB / 0.8075 GB, free: 11.31 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.00408/0.5124, allocations: 1.449 MB / 0.8089 GB, free: 10.16 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003496/0.5159, allocations: 1.269 MB / 0.8101 GB, free: 9.156 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.006858/0.5228, allocations: 5.468 MB / 0.8155 GB, free: 6.113 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009469/0.5323, allocations: 7.113 MB / 0.8224 GB, free: 2.91 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00481/0.5372, allocations: 2.366 MB / 0.8247 GB, free: 1.551 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005345/0.5425, allocations: 2.974 MB / 0.8276 GB, free: 15.75 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.001275/0.5438, allocations: 0.5154 MB / 0.8281 GB, free: 15.28 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003099/0.5469, allocations: 1.272 MB / 0.8294 GB, free: 14 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.002892/0.5498, allocations: 2.25 MB / 0.8316 GB, free: 11.75 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.003285/0.5531, allocations: 2.19 MB / 0.8337 GB, free: 9.551 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.009606/0.5628, allocations: 7.8 MB / 0.8413 GB, free: 1.727 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 6.061e-06/0.5628, allocations: 0 / 0.8413 GB, free: 1.727 MB / 0.5919 GB Notification: Performance of FrontEnd: time 4.739e-06/0.5628, allocations: 0 / 0.8413 GB, free: 1.727 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001936/0.563, allocations: 3.938 kB / 0.8413 GB, free: 1.723 MB / 0.5919 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 0.008959/0.572, allocations: 3.911 MB / 0.8451 GB, free: 13.75 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.81e-05/0.572, allocations: 12.03 kB / 0.8452 GB, free: 13.73 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008373/0.5729, allocations: 0.5465 MB / 0.8457 GB, free: 13.18 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0144/0.5873, allocations: 2.425 MB / 0.8481 GB, free: 10.75 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005121/0.5925, allocations: 2.206 MB / 0.8502 GB, free: 8.5 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002464/0.5927, allocations: 271.2 kB / 0.8505 GB, free: 8.234 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001091/0.5938, allocations: 348 kB / 0.8508 GB, free: 7.895 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01693/0.6108, allocations: 7.159 MB / 0.8578 GB, free: 0.6328 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.016e-05/0.6109, allocations: 3.938 kB / 0.8578 GB, free: 0.6289 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004819/0.6114, allocations: 152 kB / 0.8579 GB, free: 492 kB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004942/0.6119, allocations: 334.1 kB / 0.8583 GB, free: 156 kB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01769/0.6296, allocations: 7.044 MB / 0.8651 GB, free: 9.098 MB / 0.6231 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03628/0.6659, allocations: 26.54 MB / 0.8911 GB, free: 12.38 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009004/0.6749, allocations: 4.988 MB / 0.8959 GB, free: 7.094 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006383/0.6814, allocations: 2.612 MB / 0.8985 GB, free: 4.461 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002855/0.6817, allocations: 135 kB / 0.8986 GB, free: 4.312 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.938e-05/0.6817, allocations: 56.55 kB / 0.8987 GB, free: 4.246 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 3.867e-06/0.6817, allocations: 0 / 0.8987 GB, free: 4.246 MB / 0.6544 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 0.109/0.7907, allocations: 31.2 MB / 0.9291 GB, free: 4.984 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001431/0.7909, allocations: 239.6 kB / 0.9294 GB, free: 4.703 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00229/0.7932, allocations: 1.473 MB / 0.9308 GB, free: 3.223 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004176/0.7936, allocations: 65.7 kB / 0.9309 GB, free: 3.152 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001131/0.7948, allocations: 1.554 MB / 0.9324 GB, free: 1.582 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001021/0.7958, allocations: 0.9644 MB / 0.9333 GB, free: 0.6094 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001207/0.797, allocations: 0.636 MB / 0.9339 GB, free: 15.96 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001244/0.7972, allocations: 305.1 kB / 0.9342 GB, free: 15.66 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006515/0.8037, allocations: 2.686 MB / 0.9369 GB, free: 12.96 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007302/0.811, allocations: 3.567 MB / 0.9403 GB, free: 9.016 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01384/0.8249, allocations: 6.402 MB / 0.9466 GB, free: 2.215 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.157e-05/0.8249, allocations: 11.94 kB / 0.9466 GB, free: 2.203 MB / 0.7012 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 0.03081/0.8557, allocations: 11 MB / 0.9573 GB, free: 7.105 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.836e-05/0.8558, allocations: 16 kB / 0.9574 GB, free: 7.09 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.177e-05/0.8558, allocations: 24 kB / 0.9574 GB, free: 7.066 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02122/0.877, allocations: 5.56 MB / 0.9628 GB, free: 1.488 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004579/0.8816, allocations: 0.9945 MB / 0.9638 GB, free: 0.4922 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04702/0.9287, allocations: 28.21 MB / 0.9913 GB, free: 3.84 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004751/0.9335, allocations: 0.5693 MB / 0.9919 GB, free: 3.27 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005628/0.934, allocations: 159.9 kB / 0.992 GB, free: 3.113 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008906/0.943, allocations: 3.98 MB / 0.9959 GB, free: 15.12 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007332/0.9503, allocations: 3.532 MB / 0.9994 GB, free: 11.22 MB / 0.7637 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09518/1.046, allocations: 24.62 MB / 1.023 GB, free: 2.078 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.671e-05/1.046, allocations: 8 kB / 1.023 GB, free: 2.07 MB / 0.7794 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 0.02933/1.075, allocations: 10.53 MB / 1.034 GB, free: 7.391 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 3.842e-05/1.075, allocations: 19.94 kB / 1.034 GB, free: 7.371 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.763e-05/1.075, allocations: 28 kB / 1.034 GB, free: 7.344 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01635/1.091, allocations: 4.318 MB / 1.038 GB, free: 3.012 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004939/1.096, allocations: 1.053 MB / 1.039 GB, free: 1.957 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03981/1.136, allocations: 27.15 MB / 1.066 GB, free: 6.078 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004612/1.141, allocations: 0.5578 MB / 1.066 GB, free: 5.52 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005856/1.141, allocations: 148 kB / 1.066 GB, free: 5.375 MB / 0.8262 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.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001128/1.143, allocations: 422.4 kB / 1.067 GB, free: 4.957 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007118/1.143, allocations: 206.7 kB / 1.067 GB, free: 4.754 MB / 0.8262 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 0.3652/1.509, allocations: 10.16 MB / 1.077 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.82e-05/1.509, allocations: 26.34 kB / 1.077 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.844e-05/1.509, allocations: 12.62 kB / 1.077 GB, free: 253.2 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.192e-05/1.509, allocations: 15.36 kB / 1.077 GB, free: 253.2 MB / 0.8262 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 0.03329/1.542, allocations: 16.31 MB / 1.093 GB, free: 249 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.751e-05/1.542, allocations: 7.375 kB / 1.093 GB, free: 249 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003337/1.545, allocations: 0.7389 MB / 1.093 GB, free: 249 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01799/1.563, allocations: 5.17 MB / 1.098 GB, free: 247.9 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005271/1.564, allocations: 77.98 kB / 1.099 GB, free: 247.8 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03422/1.598, allocations: 27.23 MB / 1.125 GB, free: 229.7 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.493e-06/1.598, allocations: 11.97 kB / 1.125 GB, free: 229.6 MB / 0.8262 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 0.02317/1.621, allocations: 10.15 MB / 1.135 GB, free: 222.3 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001544/1.623, allocations: 0.7315 MB / 1.136 GB, free: 221.7 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007755/1.624, allocations: 59.94 kB / 1.136 GB, free: 221.6 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003771/1.628, allocations: 0.5031 MB / 1.136 GB, free: 221.1 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007623/1.628, allocations: 226.3 kB / 1.137 GB, free: 220.9 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002983/1.629, allocations: 95.94 kB / 1.137 GB, free: 220.8 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.001412/1.63, allocations: 1.005 MB / 1.138 GB, free: 219.8 MB / 0.8262 GB Notification: Performance of sort global known variables: time 2.01e-07/1.63, allocations: 0 / 1.138 GB, free: 219.8 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.005279/1.635, allocations: 1.853 MB / 1.139 GB, free: 217.9 MB / 0.8262 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 : 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 Backend phase and start with SimCode phase: time 0.02333/1.659, allocations: 10.81 MB / 1.15 GB, free: 206.9 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02682/1.686, allocations: 12.46 MB / 1.162 GB, free: 194.3 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.151e-05/1.686, allocations: 4.25 kB / 1.162 GB, free: 194.3 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.009973/1.696, allocations: 4.415 MB / 1.166 GB, free: 189.9 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003008/1.699, allocations: 291.5 kB / 1.167 GB, free: 189.6 MB / 0.8262 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. 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 simCode: created linear, non-linear and system jacobian parts: time 0.08767/1.786, allocations: 42.47 MB / 1.208 GB, free: 145.9 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003425/1.79, allocations: 2.846 MB / 1.211 GB, free: 143 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.004285/1.794, allocations: 1.663 MB / 1.213 GB, free: 141.3 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001585/1.796, allocations: 1.222 MB / 1.214 GB, free: 140.1 MB / 0.8262 GB Notification: Performance of SimCode: time 1.202e-06/1.796, allocations: 0 / 1.214 GB, free: 140.1 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1699/1.966, allocations: 103.5 MB / 1.315 GB, free: 37.07 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.14/18.1, allocations: 12.16 kB / 1.315 GB, free: 37.06 MB / 0.8262 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)