Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.001255/0.001255, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001292/0.001292, allocations: 195.9 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.406/1.406, allocations: 222.9 MB / 240.2 MB, free: 4.402 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002411/0.002411, allocations: 287 kB / 290.7 MB, free: 2.004 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.045/1.045, allocations: 169.3 MB / 0.4982 GB, free: 13.96 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002639/0.002639, allocations: 103.5 kB / 0.5954 GB, free: 27.87 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.149/0.1517, allocations: 86.98 MB / 0.6803 GB, free: 0.5508 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02242/0.1741, allocations: 18.15 MB / 0.6981 GB, free: 14.34 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01138/0.1856, allocations: 6.798 MB / 0.7047 GB, free: 7.527 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001323/0.1869, allocations: 55.88 kB / 0.7048 GB, free: 7.473 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003551/0.1905, allocations: 1.461 MB / 0.7062 GB, free: 6.008 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003368/0.1939, allocations: 1.397 MB / 0.7075 GB, free: 4.605 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003078/0.197, allocations: 1.286 MB / 0.7088 GB, free: 3.32 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.006283/0.2033, allocations: 5.445 MB / 0.7141 GB, free: 13.86 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008358/0.2117, allocations: 7.174 MB / 0.7211 GB, free: 6.582 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003398/0.2151, allocations: 2.341 MB / 0.7234 GB, free: 4.234 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004051/0.2191, allocations: 2.957 MB / 0.7263 GB, free: 1.27 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0008459/0.22, allocations: 0.5117 MB / 0.7268 GB, free: 0.7578 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002299/0.2223, allocations: 1.256 MB / 0.728 GB, free: 15.5 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.002268/0.2246, allocations: 2.242 MB / 0.7302 GB, free: 13.25 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.002533/0.2271, allocations: 2.163 MB / 0.7323 GB, free: 11.08 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.007349/0.2345, allocations: 7.686 MB / 0.7398 GB, free: 3.375 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 4.639e-06/0.2345, allocations: 0 / 0.7398 GB, free: 3.375 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.473e-06/0.2345, allocations: 0 / 0.7398 GB, free: 3.375 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0001104/0.2347, allocations: 0 / 0.7398 GB, free: 3.375 MB / 0.5294 GB 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 0.007469/0.2421, allocations: 3.788 MB / 0.7435 GB, free: 15.53 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.19e-05/0.2422, allocations: 8.031 kB / 0.7435 GB, free: 15.52 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007744/0.243, allocations: 0.554 MB / 0.7441 GB, free: 14.96 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01225/0.2552, allocations: 2.333 MB / 0.7464 GB, free: 12.62 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004735/0.26, allocations: 2.151 MB / 0.7485 GB, free: 10.42 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002276/0.2602, allocations: 275.2 kB / 0.7487 GB, free: 10.15 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008713/0.2611, allocations: 340 kB / 0.749 GB, free: 9.82 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01363/0.2748, allocations: 7.092 MB / 0.756 GB, free: 2.621 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.751e-05/0.2749, allocations: 7.844 kB / 0.756 GB, free: 2.613 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004159/0.2753, allocations: 152 kB / 0.7561 GB, free: 2.465 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004604/0.2757, allocations: 330 kB / 0.7564 GB, free: 2.141 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01527/0.291, allocations: 6.989 MB / 0.7633 GB, free: 11.14 MB / 0.5606 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3003/0.5913, allocations: 26.54 MB / 0.7892 GB, free: 73.62 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007542/0.5989, allocations: 4.982 MB / 0.794 GB, free: 70.93 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005645/0.6046, allocations: 2.59 MB / 0.7966 GB, free: 70.2 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002649/0.6049, allocations: 131.5 kB / 0.7967 GB, free: 70.1 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.905e-05/0.6049, allocations: 60.7 kB / 0.7968 GB, free: 70.04 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=208): time 4.579e-06/0.6049, allocations: 4 kB / 0.7968 GB, free: 70.03 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.09776/0.7027, allocations: 30.91 MB / 0.827 GB, free: 55.37 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.433e-05/0.7028, allocations: 239.6 kB / 0.8272 GB, free: 55.09 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001522/0.7043, allocations: 1.4 MB / 0.8285 GB, free: 53.68 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0004597/0.7048, allocations: 65.7 kB / 0.8286 GB, free: 53.61 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004952/0.7053, allocations: 1.497 MB / 0.8301 GB, free: 52.1 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006211/0.706, allocations: 0.9188 MB / 0.831 GB, free: 51.19 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008816/0.7068, allocations: 0.624 MB / 0.8316 GB, free: 50.55 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 3.862e-05/0.7069, allocations: 309.1 kB / 0.8319 GB, free: 50.25 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004906/0.7118, allocations: 2.67 MB / 0.8345 GB, free: 47.57 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005496/0.7173, allocations: 3.556 MB / 0.838 GB, free: 43.64 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0104/0.7277, allocations: 6.375 MB / 0.8442 GB, free: 36.87 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.31e-05/0.7278, allocations: 8 kB / 0.8442 GB, free: 36.86 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02443/0.7522, allocations: 11 MB / 0.8549 GB, free: 25.76 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 3.31e-05/0.7523, allocations: 16 kB / 0.8549 GB, free: 25.74 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.322e-05/0.7523, allocations: 27.94 kB / 0.855 GB, free: 25.71 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01759/0.7699, allocations: 5.482 MB / 0.8603 GB, free: 20.22 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003988/0.7739, allocations: 0.9789 MB / 0.8613 GB, free: 19.24 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0373/0.8113, allocations: 28.16 MB / 0.8888 GB, free: 6.648 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004349/0.8157, allocations: 0.5497 MB / 0.8893 GB, free: 6.098 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005518/0.8162, allocations: 155.9 kB / 0.8895 GB, free: 5.945 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008511/0.8248, allocations: 3.964 MB / 0.8933 GB, free: 1.973 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007085/0.8319, allocations: 3.513 MB / 0.8968 GB, free: 14.08 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08931/0.9212, allocations: 24.59 MB / 0.9208 GB, free: 4.988 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.311e-05/0.9213, allocations: 8 kB / 0.9208 GB, free: 4.98 MB / 0.6075 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02582/0.9471, allocations: 10.49 MB / 0.931 GB, free: 10.35 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.769e-05/0.9472, allocations: 22.17 kB / 0.9311 GB, free: 10.33 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.394e-05/0.9472, allocations: 35.69 kB / 0.9311 GB, free: 10.3 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0151/0.9623, allocations: 4.26 MB / 0.9352 GB, free: 6.016 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0049/0.9672, allocations: 1.03 MB / 0.9363 GB, free: 4.984 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03752/1.005, allocations: 27.1 MB / 0.9627 GB, free: 9.176 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004224/1.009, allocations: 0.5419 MB / 0.9632 GB, free: 8.633 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004362/1.01, allocations: 148 kB / 0.9634 GB, free: 8.488 MB / 0.6544 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008785/1.01, allocations: 407.2 kB / 0.9638 GB, free: 8.082 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005967/1.011, allocations: 197.7 kB / 0.964 GB, free: 7.887 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02683/1.038, allocations: 10.16 MB / 0.9739 GB, free: 13.66 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.185e-05/1.038, allocations: 28 kB / 0.9739 GB, free: 13.63 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.501e-05/1.038, allocations: 12 kB / 0.9739 GB, free: 13.62 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.924e-05/1.038, allocations: 19.89 kB / 0.9739 GB, free: 13.6 MB / 0.67 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03624/1.074, allocations: 16.29 MB / 0.9899 GB, free: 13.13 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.049e-05/1.074, allocations: 12 kB / 0.9899 GB, free: 13.12 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003396/1.078, allocations: 0.7333 MB / 0.9906 GB, free: 12.38 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01816/1.096, allocations: 5.126 MB / 0.9956 GB, free: 7.238 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004879/1.096, allocations: 71.95 kB / 0.9957 GB, free: 7.168 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04119/1.138, allocations: 27.23 MB / 1.022 GB, free: 11.46 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.496e-06/1.138, allocations: 11.94 kB / 1.022 GB, free: 11.45 MB / 0.7169 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02604/1.164, allocations: 10.09 MB / 1.032 GB, free: 1.105 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001665/1.165, allocations: 0.7171 MB / 1.033 GB, free: 376 kB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000421/1.166, allocations: 63.88 kB / 1.033 GB, free: 312 kB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00346/1.169, allocations: 0.507 MB / 1.033 GB, free: 15.79 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007264/1.17, allocations: 222.4 kB / 1.034 GB, free: 15.57 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002228/1.17, allocations: 91.94 kB / 1.034 GB, free: 15.48 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001309/1.172, allocations: 0.9489 MB / 1.035 GB, free: 14.53 MB / 0.7325 GB Notification: Performance of sort global known variables: time 2.064e-06/1.172, allocations: 0 / 1.035 GB, free: 14.53 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.005589/1.177, allocations: 1.842 MB / 1.036 GB, free: 12.69 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02659/1.204, allocations: 10.75 MB / 1.047 GB, free: 1.68 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.2966/1.5, allocations: 14.33 MB / 1.061 GB, free: 246.6 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 9.789e-06/1.5, allocations: 3.5 kB / 1.061 GB, free: 246.6 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009762/1.51, allocations: 4.415 MB / 1.065 GB, free: 245.3 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001965/1.512, allocations: 270.7 kB / 1.065 GB, free: 245.2 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08102/1.593, allocations: 43.16 MB / 1.108 GB, free: 219.7 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002267/1.596, allocations: 2.837 MB / 1.11 GB, free: 216.8 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.004336/1.6, allocations: 1.647 MB / 1.112 GB, free: 215.2 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001494/1.601, allocations: 1.202 MB / 1.113 GB, free: 214 MB / 0.7325 GB Notification: Performance of SimCode: time 7.51e-07/1.601, allocations: 0 / 1.113 GB, free: 214 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1262/1.728, allocations: 100.8 MB / 1.212 GB, free: 113.8 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.96/14.69, allocations: 21.55 kB / 1.212 GB, free: 113.8 MB / 0.7325 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)