Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.0009239/0.0009239, allocations: 72.95 kB / 20.72 MB, free: 3.77 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 0.0008912/0.0008912, allocations: 169.3 kB / 24.14 MB, free: 356 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 1.004/1.004, allocations: 177.2 MB / 204.6 MB, free: 5.477 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 0.6731/0.6731, allocations: 115 MB / 376 MB, free: 7.492 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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.182e-06/1.182e-06, allocations: 0 / 428.9 MB, free: 2.633 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.725e-05/1.843e-05, allocations: 6.25 kB / 428.9 MB, free: 2.625 MB / 394.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.007755/0.007773, allocations: 9.375 MB / 438.3 MB, free: 9.203 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.005445/0.01322, allocations: 3.897 MB / 442.2 MB, free: 5.297 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005672/0.01379, allocations: 63.75 kB / 442.2 MB, free: 5.234 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0007814/0.01457, allocations: 457.1 kB / 442.7 MB, free: 4.785 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001336/0.0159, allocations: 1.228 MB / 443.9 MB, free: 3.551 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001265/0.01717, allocations: 0.9397 MB / 444.8 MB, free: 2.609 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.2375/0.2547, allocations: 5.431 MB / 450.3 MB, free: 18.13 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004956/0.2596, allocations: 3.645 MB / 453.9 MB, free: 17.71 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004693/0.2643, allocations: 3.334 MB / 457.2 MB, free: 17.5 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004041/0.2683, allocations: 2.849 MB / 460.1 MB, free: 16.91 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.00109/0.2694, allocations: 0.5093 MB / 460.6 MB, free: 16.91 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001234/0.2707, allocations: 0.7167 MB / 461.3 MB, free: 16.88 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001576/0.2722, allocations: 2.426 MB / 463.7 MB, free: 15.87 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001756/0.274, allocations: 1.55 MB / 465.3 MB, free: 15.18 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003004/0.277, allocations: 4.128 MB / 469.4 MB, free: 11.9 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.741e-06/0.277, allocations: 0.6875 kB / 469.4 MB, free: 11.9 MB / 410.7 MB Notification: Performance of FrontEnd: time 2.785e-06/0.277, allocations: 3.984 kB / 469.4 MB, free: 11.89 MB / 410.7 MB Notification: Performance of Transformations before backend: time 9.477e-05/0.2771, allocations: 2.375 kB / 469.4 MB, free: 11.89 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.003667/0.2808, allocations: 3.512 MB / 472.9 MB, free: 8.574 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.704e-05/0.2808, allocations: 8.656 kB / 472.9 MB, free: 8.566 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004266/0.2851, allocations: 1.446 MB / 474.4 MB, free: 7.16 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001478/0.2866, allocations: 1.511 MB / 475.9 MB, free: 5.734 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.371e-05/0.2867, allocations: 270.6 kB / 476.2 MB, free: 5.48 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003478/0.287, allocations: 359.4 kB / 476.5 MB, free: 5.141 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003258/0.2903, allocations: 3.328 MB / 479.8 MB, free: 1.902 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.479e-05/0.2903, allocations: 7.969 kB / 479.9 MB, free: 1.898 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002753/0.2906, allocations: 149.4 kB / 480 MB, free: 1.762 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002204/0.2908, allocations: 317.1 kB / 480.3 MB, free: 1.453 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001945/0.2928, allocations: 1.413 MB / 481.7 MB, free: 64 kB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01291/0.3057, allocations: 12.93 MB / 494.7 MB, free: 3.332 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002073/0.3077, allocations: 1.701 MB / 496.4 MB, free: 1.699 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001422/0.3092, allocations: 0.8789 MB / 497.2 MB, free: 0.8359 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001548/0.3093, allocations: 59.06 kB / 497.3 MB, free: 0.7773 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.582e-05/0.3094, allocations: 63.36 kB / 497.4 MB, free: 0.7148 MB / 426.7 MB Notification: Performance of pre-optimization done (n=208): time 5.13e-06/0.3094, allocations: 0 / 497.4 MB, free: 0.7148 MB / 426.7 MB Warning: The linear system: 1 : transformer.conv2.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.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] ; 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=211): time 0.009217/0.3186, allocations: 4.536 MB / 0.4901 GB, free: 12.36 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.844e-05/0.3187, allocations: 227.6 kB / 0.4904 GB, free: 12.08 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007123/0.3194, allocations: 0.9929 MB / 0.4913 GB, free: 11.27 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001217/0.3195, allocations: 61.7 kB / 0.4914 GB, free: 11.2 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0007374/0.3202, allocations: 1.444 MB / 0.4928 GB, free: 9.801 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004229/0.3207, allocations: 0.7478 MB / 0.4935 GB, free: 9.098 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000558/0.3212, allocations: 0.5071 MB / 0.494 GB, free: 8.641 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 6.951e-05/0.3213, allocations: 305.1 kB / 0.4943 GB, free: 8.34 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006199/0.3219, allocations: 454.5 kB / 0.4947 GB, free: 7.895 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009732/0.3229, allocations: 1.3 MB / 0.496 GB, free: 6.27 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001738/0.3246, allocations: 1.905 MB / 0.4979 GB, free: 4.211 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.191e-05/0.3246, allocations: 8 kB / 0.4979 GB, free: 4.203 MB / 442.7 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 : 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 matching and sorting (n=350) (initialization): time 0.004259/0.3289, allocations: 2.723 MB / 0.5005 GB, free: 1.68 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.977e-05/0.3289, allocations: 16 kB / 0.5006 GB, free: 1.664 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.214e-05/0.3289, allocations: 28 kB / 0.5006 GB, free: 1.637 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.005271/0.3342, allocations: 1.983 MB / 0.5025 GB, free: 15.67 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001722/0.3359, allocations: 0.7488 MB / 0.5032 GB, free: 14.92 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007691/0.3436, allocations: 7.303 MB / 0.5104 GB, free: 7.496 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001335/0.345, allocations: 219 kB / 0.5106 GB, free: 7.281 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001649/0.3451, allocations: 111.9 kB / 0.5107 GB, free: 7.172 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00128/0.3464, allocations: 0.5509 MB / 0.5112 GB, free: 6.613 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009797/0.3474, allocations: 1.323 MB / 0.5125 GB, free: 4.949 MB / 458.7 MB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002705/0.3501, allocations: 2.684 MB / 0.5151 GB, free: 1.914 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.364e-05/0.3501, allocations: 8 kB / 0.5152 GB, free: 1.906 MB / 458.7 MB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : 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] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : 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] [ -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.v3_n[2] ; line2.v3_p[2] ; line2.v1_p[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[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] ; -loadRL.load3.v[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] ] might be structurally or numerically singular for variable line2.v1_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=350) (initialization_lambda0): time 0.003254/0.3534, allocations: 2.512 MB / 0.5176 GB, free: 15.38 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.039e-05/0.3534, allocations: 19.94 kB / 0.5176 GB, free: 15.36 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.36e-05/0.3534, allocations: 32.06 kB / 0.5177 GB, free: 15.33 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001214/0.3546, allocations: 0.5475 MB / 0.5182 GB, free: 14.77 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00182/0.3564, allocations: 0.8112 MB / 0.519 GB, free: 13.96 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005472/0.3619, allocations: 9.027 MB / 0.5278 GB, free: 4.527 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001129/0.363, allocations: 215 kB / 0.528 GB, free: 4.316 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001574/0.3632, allocations: 111.9 kB / 0.5281 GB, free: 4.207 MB / 474.7 MB 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 (294): * Single equations (assignments): 292 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0004921/0.3637, allocations: 388.5 kB / 0.5285 GB, free: 3.824 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003297/0.364, allocations: 179.8 kB / 0.5287 GB, free: 3.648 MB / 474.7 MB 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 wrapFunctionCalls (simulation): time 0.003615/0.3676, allocations: 2.397 MB / 0.531 GB, free: 1.227 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.277e-05/0.3676, allocations: 20 kB / 0.531 GB, free: 1.207 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.115e-06/0.3677, allocations: 4 kB / 0.531 GB, free: 1.203 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.35e-05/0.3677, allocations: 11.97 kB / 0.531 GB, free: 1.191 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.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 postOpt removeSimpleEquations (simulation): time 0.00683/0.3745, allocations: 5.126 MB / 0.536 GB, free: 11.95 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.045e-06/0.3745, allocations: 12 kB / 0.536 GB, free: 11.93 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001243/0.3757, allocations: 0.4917 MB / 0.5365 GB, free: 11.44 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003994/0.3797, allocations: 1.799 MB / 0.5383 GB, free: 9.633 MB / 490.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001334/0.3799, allocations: 55.94 kB / 0.5383 GB, free: 9.578 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006319/0.3862, allocations: 7.049 MB / 0.5452 GB, free: 2.273 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.993e-06/0.3862, allocations: 13.06 kB / 0.5452 GB, free: 2.262 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 : 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 symbolicJacobian (simulation): time 0.003526/0.3897, allocations: 2.788 MB / 0.548 GB, free: 15.36 MB / 0.4948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005356/0.3903, allocations: 426.2 kB / 0.5484 GB, free: 14.95 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001689/0.3904, allocations: 43.92 kB / 0.5484 GB, free: 14.9 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009216/0.3914, allocations: 83.97 kB / 0.5485 GB, free: 14.82 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002491/0.3916, allocations: 167.6 kB / 0.5486 GB, free: 14.66 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001055/0.3917, allocations: 55.95 kB / 0.5487 GB, free: 14.6 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 0.0003909/0.3921, allocations: 453.9 kB / 0.5491 GB, free: 14.15 MB / 0.4948 GB Notification: Performance of sort global known variables: time 8e-08/0.3921, allocations: 0 / 0.5491 GB, free: 14.15 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.003528/0.3956, allocations: 1.465 MB / 0.5506 GB, free: 12.69 MB / 0.4948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * 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 (158): * Single equations (assignments): 156 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(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 0.0002641/0.3959, allocations: 148 kB / 0.5507 GB, free: 12.53 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.004312/0.4002, allocations: 3.597 MB / 0.5542 GB, free: 8.879 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 3.987e-05/0.4002, allocations: 27.84 kB / 0.5542 GB, free: 8.848 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.001574/0.4018, allocations: 1.289 MB / 0.5555 GB, free: 7.543 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001287/0.4031, allocations: 499.4 kB / 0.556 GB, free: 7.062 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007057/0.4102, allocations: 5.594 MB / 0.5614 GB, free: 1.34 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008566/0.411, allocations: 0.9725 MB / 0.5624 GB, free: 356 kB / 0.4948 GB Notification: Performance of simCode: alias equations: time 0.001685/0.4127, allocations: 0.5499 MB / 0.5629 GB, free: 15.82 MB / 0.5105 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007369/0.4134, allocations: 327.2 kB / 0.5632 GB, free: 15.5 MB / 0.5105 GB Notification: Performance of SimCode: time 1.202e-06/0.4134, allocations: 0 / 0.5632 GB, free: 15.5 MB / 0.5105 GB Notification: Performance of Templates: time 0.05003/0.4635, allocations: 48.52 MB / 0.6106 GB, free: 15.41 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 4.4133369899354875]