Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001032/0.001032, allocations: 77.09 kB / 20.65 MB, free: 3.844 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001004/0.001004, allocations: 169 kB / 24.05 MB, free: 456 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.01/1.01, allocations: 177.1 MB / 204.5 MB, free: 5.516 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.7043/0.7043, allocations: 115 MB / 376 MB, free: 7.508 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.453e-06/1.453e-06, allocations: 0.5469 kB / 482.1 MB, free: 11.61 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.071e-05/2.216e-05, allocations: 4.984 kB / 482.1 MB, free: 11.61 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.007724/0.007746, allocations: 9.242 MB / 491.3 MB, free: 5.699 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.004894/0.01264, allocations: 3.778 MB / 495.1 MB, free: 3.137 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001211/0.01385, allocations: 65.53 kB / 495.2 MB, free: 3.121 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.00126/0.01511, allocations: 465.6 kB / 495.6 MB, free: 2.91 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002058/0.01717, allocations: 1.209 MB / 496.8 MB, free: 2.211 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001768/0.01894, allocations: 0.9482 MB / 497.8 MB, free: 1.711 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.005228/0.02416, allocations: 5.412 MB / 0.4914 GB, free: 15.38 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004636/0.0288, allocations: 3.362 MB / 0.4947 GB, free: 13.68 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005623/0.03442, allocations: 3.317 MB / 0.4979 GB, free: 10.93 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004539/0.03896, allocations: 2.959 MB / 0.5008 GB, free: 8.66 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001327/0.04029, allocations: 0.5039 MB / 0.5013 GB, free: 8.156 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001714/0.042, allocations: 0.7047 MB / 0.502 GB, free: 7.496 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002182/0.04419, allocations: 2.419 MB / 0.5043 GB, free: 5.211 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002118/0.0463, allocations: 1.536 MB / 0.5059 GB, free: 3.672 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.004081/0.05038, allocations: 4.101 MB / 0.5099 GB, free: 15.56 MB / 442.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.901e-06/0.05039, allocations: 0 / 0.5099 GB, free: 15.56 MB / 442.7 MB Notification: Performance of FrontEnd: time 1.203e-06/0.05039, allocations: 0 / 0.5099 GB, free: 15.56 MB / 442.7 MB Notification: Performance of Transformations before backend: time 0.0001882/0.05058, allocations: 0 / 0.5099 GB, free: 15.56 MB / 442.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.004958/0.05554, allocations: 3.919 MB / 0.5137 GB, free: 11.59 MB / 442.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.157e-05/0.05558, allocations: 8.031 kB / 0.5137 GB, free: 11.59 MB / 442.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004655/0.06023, allocations: 1.561 MB / 0.5152 GB, free: 10.03 MB / 442.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002046/0.06228, allocations: 1.591 MB / 0.5168 GB, free: 8.414 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001315/0.06241, allocations: 267.4 kB / 0.517 GB, free: 8.152 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003904/0.0628, allocations: 351.6 kB / 0.5174 GB, free: 7.812 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004392/0.06719, allocations: 3.314 MB / 0.5206 GB, free: 4.352 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.053e-05/0.06725, allocations: 3.984 kB / 0.5206 GB, free: 4.348 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002652/0.06751, allocations: 151.1 kB / 0.5207 GB, free: 4.203 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002655/0.06778, allocations: 310 kB / 0.521 GB, free: 3.898 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002175/0.06995, allocations: 1.394 MB / 0.5224 GB, free: 2.504 MB / 442.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01458/0.08453, allocations: 16 MB / 0.538 GB, free: 1.922 MB / 458.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00199/0.08652, allocations: 1.842 MB / 0.5398 GB, free: 40 kB / 458.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001173/0.08769, allocations: 0.9695 MB / 0.5408 GB, free: 15.05 MB / 474.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001446/0.08784, allocations: 81.14 kB / 0.5408 GB, free: 14.98 MB / 474.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.235e-05/0.08788, allocations: 67.31 kB / 0.5409 GB, free: 14.9 MB / 474.7 MB Notification: Performance of pre-optimization done (n=208): time 5.059e-06/0.08789, allocations: 0 / 0.5409 GB, free: 14.9 MB / 474.7 MB 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 0.01728/0.1052, allocations: 8.079 MB / 0.5488 GB, free: 6.879 MB / 474.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.476e-05/0.1053, allocations: 239.6 kB / 0.549 GB, free: 6.598 MB / 474.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001018/0.1063, allocations: 1.225 MB / 0.5502 GB, free: 5.359 MB / 474.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001845/0.1065, allocations: 73.7 kB / 0.5503 GB, free: 5.281 MB / 474.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0006732/0.1071, allocations: 1.63 MB / 0.5519 GB, free: 3.633 MB / 474.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005755/0.1077, allocations: 0.9838 MB / 0.5528 GB, free: 2.641 MB / 474.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007076/0.1084, allocations: 0.6585 MB / 0.5535 GB, free: 1.969 MB / 474.7 MB Notification: Performance of setup shared object (initialization): time 9.923e-05/0.1085, allocations: 484.7 kB / 0.554 GB, free: 1.492 MB / 474.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007589/0.1093, allocations: 0.5788 MB / 0.5545 GB, free: 0.9023 MB / 474.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001327/0.1106, allocations: 1.938 MB / 0.5564 GB, free: 14.43 MB / 490.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002262/0.1129, allocations: 2.668 MB / 0.559 GB, free: 11.23 MB / 490.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.417e-05/0.1129, allocations: 8 kB / 0.559 GB, free: 11.22 MB / 490.7 MB 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 0.008159/0.121, allocations: 4.546 MB / 0.5635 GB, free: 6.609 MB / 490.7 MB Notification: Performance of prepare postOptimizeDAE: time 3.317e-05/0.1211, allocations: 19.94 kB / 0.5635 GB, free: 6.59 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.221e-05/0.1211, allocations: 28 kB / 0.5635 GB, free: 6.562 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01508/0.1362, allocations: 4.704 MB / 0.5681 GB, free: 1.84 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002029/0.1382, allocations: 0.6826 MB / 0.5688 GB, free: 1.156 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01506/0.1533, allocations: 14.57 MB / 0.583 GB, free: 2.23 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001983/0.1553, allocations: 163.8 kB / 0.5832 GB, free: 2.07 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000217/0.1555, allocations: 127.9 kB / 0.5833 GB, free: 1.945 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001588/0.1571, allocations: 0.7469 MB / 0.584 GB, free: 1.191 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001386/0.1585, allocations: 1.927 MB / 0.5859 GB, free: 14.73 MB / 0.5105 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003561/0.162, allocations: 3.677 MB / 0.5895 GB, free: 10.48 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.961e-05/0.162, allocations: 8 kB / 0.5895 GB, free: 10.47 MB / 0.5105 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 0.007453/0.1695, allocations: 4.328 MB / 0.5937 GB, free: 6.062 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 3.231e-05/0.1695, allocations: 20.56 kB / 0.5937 GB, free: 6.043 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.893e-05/0.1696, allocations: 28 kB / 0.5938 GB, free: 6.016 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009423/0.179, allocations: 3.023 MB / 0.5967 GB, free: 2.977 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002099/0.1811, allocations: 0.7294 MB / 0.5974 GB, free: 2.246 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0139/0.195, allocations: 17.6 MB / 0.6146 GB, free: 64 kB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002052/0.197, allocations: 155.8 kB / 0.6148 GB, free: 15.91 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002364/0.1973, allocations: 124 kB / 0.6149 GB, free: 15.79 MB / 0.5417 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.0007783/0.198, allocations: 490.5 kB / 0.6153 GB, free: 15.3 MB / 0.5417 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000516/0.1986, allocations: 286.8 kB / 0.6156 GB, free: 15.02 MB / 0.5417 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 0.007937/0.2065, allocations: 4.13 MB / 0.6197 GB, free: 10.86 MB / 0.5417 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.336e-05/0.2065, allocations: 28 kB / 0.6197 GB, free: 10.83 MB / 0.5417 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.385e-05/0.2065, allocations: 12 kB / 0.6197 GB, free: 10.82 MB / 0.5417 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.406e-05/0.2066, allocations: 19.88 kB / 0.6197 GB, free: 10.8 MB / 0.5417 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 0.01269/0.2193, allocations: 7.752 MB / 0.6273 GB, free: 2.852 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.817e-05/0.2193, allocations: 8 kB / 0.6273 GB, free: 2.844 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00135/0.2206, allocations: 447.8 kB / 0.6277 GB, free: 2.406 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01309/0.2337, allocations: 4.321 MB / 0.6319 GB, free: 14.07 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006249/0.2343, allocations: 71.95 kB / 0.632 GB, free: 14 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2411/0.4754, allocations: 14.31 MB / 0.646 GB, free: 134.9 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.14e-05/0.4754, allocations: 12.56 kB / 0.646 GB, free: 134.9 MB / 0.5573 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 0.008764/0.4842, allocations: 4.599 MB / 0.6505 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009482/0.4851, allocations: 0.5301 MB / 0.651 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003483/0.4855, allocations: 55.88 kB / 0.6511 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001242/0.4867, allocations: 90.62 kB / 0.6511 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005476/0.4873, allocations: 242.5 kB / 0.6514 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001379/0.4874, allocations: 81.08 kB / 0.6514 GB, free: 133.8 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0005613/0.488, allocations: 0.5967 MB / 0.652 GB, free: 133.6 MB / 0.5573 GB Notification: Performance of sort global known variables: time 8e-08/0.488, allocations: 0.75 kB / 0.652 GB, free: 133.6 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.004404/0.4924, allocations: 1.825 MB / 0.6538 GB, free: 133.6 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004299/0.4928, allocations: 180 kB / 0.654 GB, free: 133.5 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.01079/0.5036, allocations: 6.122 MB / 0.66 GB, free: 132 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 1.095e-05/0.5036, allocations: 2.406 kB / 0.66 GB, free: 132 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.003467/0.5071, allocations: 2.378 MB / 0.6623 GB, free: 131.3 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001393/0.5085, allocations: 286.2 kB / 0.6626 GB, free: 131.3 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01011/0.5186, allocations: 6.312 MB / 0.6687 GB, free: 128.9 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001697/0.5203, allocations: 1.111 MB / 0.6698 GB, free: 128.8 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.001902/0.5222, allocations: 0.5579 MB / 0.6704 GB, free: 128.7 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007986/0.523, allocations: 375.9 kB / 0.6707 GB, free: 128.6 MB / 0.5573 GB Notification: Performance of SimCode: time 1.442e-06/0.523, allocations: 0 / 0.6707 GB, free: 128.6 MB / 0.5573 GB Notification: Performance of Templates: time 0.07601/0.599, allocations: 81.06 MB / 0.7499 GB, free: 66.86 MB / 0.5573 GB " [Timeout remaining time 659] make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 5.2994910017587245]