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: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.001352/0.001352, allocations: 101.5 kB / 16.4 MB, free: 6.441 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001322/0.001322, allocations: 199.8 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.315/1.315, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6954/0.6954, allocations: 115.3 MB / 406.5 MB, free: 6.156 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00126/0.001261, allocations: 66.86 kB / 0.5573 GB, free: 32.56 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1531/0.1544, allocations: 76.18 MB / 0.6317 GB, free: 4.828 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02063/0.175, allocations: 18.15 MB / 0.6494 GB, free: 2.605 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01193/0.187, allocations: 6.793 MB / 0.656 GB, free: 11.79 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001971/0.189, allocations: 59.88 kB / 0.6561 GB, free: 11.73 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004082/0.1931, allocations: 1.463 MB / 0.6575 GB, free: 10.27 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003703/0.1968, allocations: 1.424 MB / 0.6589 GB, free: 8.84 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003337/0.2002, allocations: 1.255 MB / 0.6601 GB, free: 7.582 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005929/0.2062, allocations: 5.449 MB / 0.6655 GB, free: 2.121 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00867/0.2149, allocations: 7.087 MB / 0.6724 GB, free: 10.93 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003926/0.2188, allocations: 2.369 MB / 0.6747 GB, free: 8.551 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004838/0.2237, allocations: 2.945 MB / 0.6776 GB, free: 5.598 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001884/0.2256, allocations: 0.5117 MB / 0.6781 GB, free: 5.086 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003482/0.2291, allocations: 1.264 MB / 0.6793 GB, free: 3.82 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.003417/0.2325, allocations: 2.242 MB / 0.6815 GB, free: 1.574 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.004084/0.2366, allocations: 2.179 MB / 0.6836 GB, free: 15.38 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.008627/0.2453, allocations: 7.737 MB / 0.6912 GB, free: 7.629 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.611e-06/0.2453, allocations: 0 / 0.6912 GB, free: 7.629 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.703e-06/0.2453, allocations: 0 / 0.6912 GB, free: 7.629 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0002044/0.2456, allocations: 0 / 0.6912 GB, free: 7.629 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 0.01006/0.2556, allocations: 3.788 MB / 0.6949 GB, free: 3.781 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.437e-05/0.2557, allocations: 12.03 kB / 0.6949 GB, free: 3.77 MB / 0.5294 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00149/0.2572, allocations: 0.5345 MB / 0.6954 GB, free: 3.227 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01373/0.2709, allocations: 2.411 MB / 0.6978 GB, free: 0.8086 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005757/0.2767, allocations: 2.179 MB / 0.6999 GB, free: 14.58 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002487/0.277, allocations: 275.2 kB / 0.7002 GB, free: 14.31 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001372/0.2784, allocations: 344 kB / 0.7005 GB, free: 13.97 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01723/0.2956, allocations: 7.126 MB / 0.7075 GB, free: 6.742 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001213/0.2958, allocations: 0 / 0.7075 GB, free: 6.742 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001199/0.297, allocations: 148 kB / 0.7076 GB, free: 6.598 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005366/0.2975, allocations: 338 kB / 0.7079 GB, free: 6.266 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01713/0.3147, allocations: 7.028 MB / 0.7148 GB, free: 15.23 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03663/0.3513, allocations: 26.43 MB / 0.7406 GB, free: 2.625 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008355/0.3597, allocations: 4.992 MB / 0.7455 GB, free: 13.33 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006068/0.3658, allocations: 2.604 MB / 0.748 GB, free: 10.7 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002893/0.3662, allocations: 127 kB / 0.7481 GB, free: 10.55 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.885e-05/0.3662, allocations: 68.5 kB / 0.7482 GB, free: 10.48 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 4.578e-06/0.3662, allocations: 0 / 0.7482 GB, free: 10.48 MB / 0.5919 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 0.4183/0.7846, allocations: 30.91 MB / 0.7784 GB, free: 111 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.136e-05/0.7847, allocations: 235.4 kB / 0.7786 GB, free: 110.8 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001726/0.7864, allocations: 1.422 MB / 0.78 GB, free: 110 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.00045/0.7869, allocations: 69.55 kB / 0.7801 GB, free: 109.9 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005516/0.7874, allocations: 1.488 MB / 0.7815 GB, free: 108.6 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007377/0.7882, allocations: 0.9201 MB / 0.7824 GB, free: 107.9 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009515/0.7891, allocations: 0.6339 MB / 0.783 GB, free: 107.5 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 3.84e-05/0.7892, allocations: 305.1 kB / 0.7833 GB, free: 107.2 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005316/0.7945, allocations: 2.694 MB / 0.786 GB, free: 105.8 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005673/0.8002, allocations: 3.57 MB / 0.7894 GB, free: 103.3 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01083/0.8111, allocations: 6.408 MB / 0.7957 GB, free: 97.14 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.542e-05/0.8111, allocations: 8 kB / 0.7957 GB, free: 97.14 MB / 0.5919 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 0.02489/0.836, allocations: 10.98 MB / 0.8064 GB, free: 86.04 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.761e-05/0.8361, allocations: 19.5 kB / 0.8064 GB, free: 86.03 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.525e-05/0.8361, allocations: 24 kB / 0.8065 GB, free: 86 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01766/0.8538, allocations: 5.572 MB / 0.8119 GB, free: 80.41 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004008/0.8578, allocations: 0.9906 MB / 0.8129 GB, free: 79.42 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03337/0.8912, allocations: 28.18 MB / 0.8404 GB, free: 50.85 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004276/0.8956, allocations: 0.5769 MB / 0.841 GB, free: 50.27 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003808/0.896, allocations: 152 kB / 0.8411 GB, free: 50.12 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006679/0.9026, allocations: 3.984 MB / 0.845 GB, free: 46.13 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00548/0.9081, allocations: 3.534 MB / 0.8484 GB, free: 42.22 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08042/0.9886, allocations: 24.64 MB / 0.8725 GB, free: 17.11 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.081e-05/0.9886, allocations: 8 kB / 0.8725 GB, free: 17.1 MB / 0.5919 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 0.0224/1.011, allocations: 10.52 MB / 0.8828 GB, free: 6.434 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 2.793e-05/1.011, allocations: 23.94 kB / 0.8828 GB, free: 6.41 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.329e-05/1.011, allocations: 24 kB / 0.8828 GB, free: 6.387 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01358/1.025, allocations: 4.347 MB / 0.8871 GB, free: 2.031 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004192/1.029, allocations: 1.037 MB / 0.8881 GB, free: 0.9922 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03385/1.063, allocations: 27.14 MB / 0.9146 GB, free: 5.152 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004844/1.068, allocations: 0.5459 MB / 0.9151 GB, free: 4.605 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007408/1.068, allocations: 155.9 kB / 0.9153 GB, free: 4.453 MB / 0.6231 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 0.001482/1.07, allocations: 416.6 kB / 0.9157 GB, free: 4.039 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001037/1.071, allocations: 189.8 kB / 0.9159 GB, free: 3.852 MB / 0.6231 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 0.02676/1.098, allocations: 10.16 MB / 0.9258 GB, free: 9.613 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.075e-05/1.098, allocations: 28 kB / 0.9258 GB, free: 9.586 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.219e-05/1.098, allocations: 12 kB / 0.9258 GB, free: 9.574 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.475e-05/1.098, allocations: 15.95 kB / 0.9258 GB, free: 9.559 MB / 0.6387 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 0.03905/1.137, allocations: 16.31 MB / 0.9418 GB, free: 9.078 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.509e-05/1.137, allocations: 8 kB / 0.9418 GB, free: 9.07 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003437/1.141, allocations: 0.7334 MB / 0.9425 GB, free: 8.336 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01864/1.159, allocations: 5.177 MB / 0.9475 GB, free: 3.141 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006514/1.16, allocations: 75.95 kB / 0.9476 GB, free: 3.066 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03991/1.2, allocations: 27.21 MB / 0.9742 GB, free: 7.371 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.217e-05/1.2, allocations: 12.03 kB / 0.9742 GB, free: 7.359 MB / 0.6856 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 0.02619/1.226, allocations: 10.14 MB / 0.9841 GB, free: 12.98 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002327/1.228, allocations: 0.7191 MB / 0.9848 GB, free: 12.24 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008069/1.229, allocations: 59.98 kB / 0.9849 GB, free: 12.18 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004099/1.233, allocations: 0.507 MB / 0.9854 GB, free: 11.67 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001053/1.234, allocations: 230.3 kB / 0.9856 GB, free: 11.45 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004501/1.235, allocations: 87.95 kB / 0.9857 GB, free: 11.36 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001776/1.237, allocations: 0.9762 MB / 0.9866 GB, free: 10.38 MB / 0.7012 GB Notification: Performance of sort global known variables: time 2.91e-07/1.237, allocations: 0 / 0.9866 GB, free: 10.38 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.007259/1.244, allocations: 1.848 MB / 0.9884 GB, free: 8.535 MB / 0.7012 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 0.02657/1.271, allocations: 10.79 MB / 0.999 GB, free: 13.48 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.03002/1.301, allocations: 12.46 MB / 1.011 GB, free: 0.9219 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.773e-05/1.301, allocations: 4 kB / 1.011 GB, free: 0.918 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.01093/1.312, allocations: 4.394 MB / 1.015 GB, free: 12.48 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00285/1.315, allocations: 266.5 kB / 1.016 GB, free: 12.23 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.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 simCode: created linear, non-linear and system jacobian parts: time 0.387/1.702, allocations: 42.15 MB / 1.057 GB, free: 252.7 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003096/1.705, allocations: 2.833 MB / 1.06 GB, free: 251.9 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.004116/1.709, allocations: 1.657 MB / 1.061 GB, free: 251.8 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001741/1.711, allocations: 1.206 MB / 1.062 GB, free: 251.8 MB / 0.7481 GB Notification: Performance of SimCode: time 1.312e-06/1.711, allocations: 0 / 1.062 GB, free: 251.8 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1309/1.841, allocations: 104.5 MB / 1.164 GB, free: 162.3 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.61/17.45, allocations: 10.12 kB / 1.164 GB, free: 162.3 MB / 0.7481 GB (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 & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)