Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001847/0.001847, allocations: 105.8 kB / 18.84 MB, free: 3.023 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002244/0.002244, allocations: 191.2 kB / 22.1 MB, free: 4.301 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.625/1.625, allocations: 225.6 MB / 250.8 MB, free: 2.91 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo): time 3.066/3.066, allocations: 495.8 MB / 0.783 GB, free: 12.32 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002118/0.002118, allocations: 67.91 kB / 1.137 GB, free: 12.11 MB / 0.92 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.276/1.278, allocations: 173.6 MB / 1.307 GB, free: 33.86 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01821/1.296, allocations: 19.16 MB / 1.326 GB, free: 21.46 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.0113/1.308, allocations: 7.023 MB / 1.332 GB, free: 16.76 MB / 1.061 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002064/1.31, allocations: 63.91 kB / 1.332 GB, free: 16.74 MB / 1.061 GB Notification: Performance of NFTyping.typeComponents: time 0.004167/1.314, allocations: 1.537 MB / 1.334 GB, free: 15.87 MB / 1.061 GB Notification: Performance of NFTyping.typeBindings: time 0.004905/1.319, allocations: 1.454 MB / 1.335 GB, free: 15.05 MB / 1.061 GB Notification: Performance of NFTyping.typeClassSections: time 0.003974/1.323, allocations: 1.305 MB / 1.337 GB, free: 14.34 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.009746/1.332, allocations: 5.471 MB / 1.342 GB, free: 12.02 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00579/1.338, allocations: 3.306 MB / 1.345 GB, free: 10.32 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004966/1.343, allocations: 2.406 MB / 1.348 GB, free: 9.242 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006342/1.35, allocations: 3.161 MB / 1.351 GB, free: 8 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.001457/1.351, allocations: 0.5145 MB / 1.351 GB, free: 8 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003437/1.354, allocations: 1.213 MB / 1.352 GB, free: 7.754 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.003168/1.358, allocations: 2.309 MB / 1.355 GB, free: 6.828 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.003756/1.361, allocations: 2.192 MB / 1.357 GB, free: 5.41 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.01321/1.375, allocations: 7.797 MB / 1.364 GB, free: 2.988 MB / 1.061 GB Notification: Performance of FrontEnd - DAE generated: time 8.145e-06/1.375, allocations: 0 / 1.364 GB, free: 2.988 MB / 1.061 GB Notification: Performance of FrontEnd: time 1.883e-06/1.375, allocations: 0 / 1.364 GB, free: 2.988 MB / 1.061 GB Notification: Performance of Transformations before backend: time 0.0003288/1.375, allocations: 0 / 1.364 GB, free: 2.988 MB / 1.061 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01644/1.391, allocations: 3.829 MB / 1.368 GB, free: 0.8828 MB / 1.061 GB Notification: Performance of prepare preOptimizeDAE: time 8.368e-05/1.391, allocations: 9.719 kB / 1.368 GB, free: 0.8828 MB / 1.061 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01604/1.407, allocations: 2.434 MB / 1.37 GB, free: 0.6016 MB / 1.061 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007444/1.415, allocations: 2.16 MB / 1.373 GB, free: 15.55 MB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003529/1.415, allocations: 275.4 kB / 1.373 GB, free: 15.42 MB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001771/1.417, allocations: 356.1 kB / 1.373 GB, free: 15.3 MB / 1.076 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01993/1.437, allocations: 7.162 MB / 1.38 GB, free: 12.89 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.453e-05/1.437, allocations: 5.375 kB / 1.38 GB, free: 12.88 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005479/1.438, allocations: 151.6 kB / 1.38 GB, free: 12.77 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005761/1.438, allocations: 335.9 kB / 1.381 GB, free: 12.73 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0191/1.457, allocations: 7.046 MB / 1.388 GB, free: 10.2 MB / 1.076 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05223/1.51, allocations: 25.99 MB / 1.413 GB, free: 3.707 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009986/1.52, allocations: 3.726 MB / 1.417 GB, free: 1.742 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006242/1.526, allocations: 2.535 MB / 1.419 GB, free: 452 kB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002998/1.526, allocations: 51 kB / 1.419 GB, free: 428 kB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.851e-05/1.526, allocations: 65.3 kB / 1.419 GB, free: 364 kB / 1.092 GB Notification: Performance of pre-optimization done (n=208): time 4.689e-06/1.526, allocations: 1.094 kB / 1.419 GB, free: 364 kB / 1.092 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1088/1.635, allocations: 30.81 MB / 1.449 GB, free: 4.887 MB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001823/1.635, allocations: 235.6 kB / 1.449 GB, free: 4.605 MB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00317/1.638, allocations: 1.477 MB / 1.451 GB, free: 3.121 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 0.000819/1.639, allocations: 65.7 kB / 1.451 GB, free: 3.051 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.001308/1.64, allocations: 1.546 MB / 1.452 GB, free: 1.488 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.001484/1.642, allocations: 0.9683 MB / 1.453 GB, free: 0.5117 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001397/1.643, allocations: 0.636 MB / 1.454 GB, free: 15.87 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001513/1.643, allocations: 309.1 kB / 1.454 GB, free: 15.56 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006538/1.65, allocations: 2.69 MB / 1.457 GB, free: 12.86 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007857/1.658, allocations: 3.571 MB / 1.46 GB, free: 8.918 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01474/1.673, allocations: 6.402 MB / 1.467 GB, free: 2.117 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.441e-05/1.673, allocations: 11.94 kB / 1.467 GB, free: 2.105 MB / 1.139 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03073/1.703, allocations: 10.8 MB / 1.477 GB, free: 7.238 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 5.595e-05/1.703, allocations: 20 kB / 1.477 GB, free: 7.219 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.786e-05/1.703, allocations: 28 kB / 1.477 GB, free: 7.191 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0209/1.724, allocations: 5.536 MB / 1.483 GB, free: 1.645 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004902/1.729, allocations: 0.9905 MB / 1.484 GB, free: 0.6523 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05036/1.78, allocations: 27.9 MB / 1.511 GB, free: 4.379 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005165/1.785, allocations: 0.5771 MB / 1.512 GB, free: 3.801 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005794/1.785, allocations: 155.9 kB / 1.512 GB, free: 3.648 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009173/1.795, allocations: 3.98 MB / 1.516 GB, free: 15.66 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007019/1.802, allocations: 3.528 MB / 1.519 GB, free: 11.75 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09185/1.893, allocations: 24.47 MB / 1.543 GB, free: 2.805 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.977e-05/1.893, allocations: 4.375 kB / 1.543 GB, free: 2.801 MB / 1.217 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 0.03078/1.924, allocations: 10.18 MB / 1.553 GB, free: 8.543 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 5.101e-05/1.924, allocations: 19.94 kB / 1.553 GB, free: 8.523 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.789e-05/1.924, allocations: 27.94 kB / 1.553 GB, free: 8.496 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01583/1.94, allocations: 4.318 MB / 1.557 GB, free: 4.16 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005242/1.945, allocations: 1.045 MB / 1.558 GB, free: 3.113 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04406/1.989, allocations: 26.71 MB / 1.584 GB, free: 7.781 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005556/1.995, allocations: 0.5499 MB / 1.585 GB, free: 7.23 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001017/1.996, allocations: 152 kB / 1.585 GB, free: 7.082 MB / 1.264 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 0.002542/1.999, allocations: 413.1 kB / 1.585 GB, free: 6.672 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001394/2, allocations: 210.7 kB / 1.585 GB, free: 6.465 MB / 1.264 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 0.03014/2.03, allocations: 9.932 MB / 1.595 GB, free: 12.5 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.652e-05/2.03, allocations: 31.94 kB / 1.595 GB, free: 12.47 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.97e-05/2.03, allocations: 15.98 kB / 1.595 GB, free: 12.46 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.354e-05/2.03, allocations: 11.95 kB / 1.595 GB, free: 12.45 MB / 1.279 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 0.04667/2.077, allocations: 16.01 MB / 1.611 GB, free: 12.21 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.804e-05/2.077, allocations: 8 kB / 1.611 GB, free: 12.2 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003779/2.081, allocations: 0.7296 MB / 1.612 GB, free: 11.47 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01931/2.1, allocations: 5.173 MB / 1.617 GB, free: 6.281 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009192/2.101, allocations: 71.95 kB / 1.617 GB, free: 6.211 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04956/2.151, allocations: 26.95 MB / 1.643 GB, free: 10.84 MB / 1.326 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.676e-05/2.151, allocations: 15.97 kB / 1.643 GB, free: 10.82 MB / 1.326 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 0.02912/2.18, allocations: 9.881 MB / 1.653 GB, free: 0.7305 MB / 1.326 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002636/2.182, allocations: 0.6546 MB / 1.653 GB, free: 76 kB / 1.326 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001031/2.183, allocations: 52 kB / 1.653 GB, free: 24 kB / 1.326 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004177/2.188, allocations: 0.5148 MB / 1.654 GB, free: 15.51 MB / 1.342 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001439/2.189, allocations: 234.2 kB / 1.654 GB, free: 15.28 MB / 1.342 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005539/2.19, allocations: 95.95 kB / 1.654 GB, free: 15.18 MB / 1.342 GB Notification: Performance of sorting global known variables: time 0.002654/2.192, allocations: 0.9972 MB / 1.655 GB, free: 14.18 MB / 1.342 GB Notification: Performance of sort global known variables: time 1.3e-07/2.192, allocations: 3.938 kB / 1.655 GB, free: 14.18 MB / 1.342 GB Notification: Performance of remove unused functions: time 0.01004/2.202, allocations: 1.855 MB / 1.657 GB, free: 12.32 MB / 1.342 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 0.0005076/2.203, allocations: 178.9 kB / 1.657 GB, free: 12.14 MB / 1.342 GB Notification: Performance of simCode: created initialization part: time 0.03097/2.234, allocations: 12.02 MB / 1.669 GB, free: 16 kB / 1.342 GB Notification: Performance of simCode: created event and clocks part: time 1.624e-05/2.234, allocations: 0 / 1.669 GB, free: 16 kB / 1.342 GB Notification: Performance of simCode: created simulation system equations: time 0.01195/2.246, allocations: 4.277 MB / 1.673 GB, free: 11.69 MB / 1.357 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003331/2.249, allocations: 289.1 kB / 1.673 GB, free: 11.42 MB / 1.357 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03013/2.279, allocations: 9.674 MB / 1.683 GB, free: 1.613 MB / 1.357 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005214/2.284, allocations: 2.846 MB / 1.686 GB, free: 14.73 MB / 1.373 GB Notification: Performance of simCode: alias equations: time 0.005174/2.29, allocations: 1.661 MB / 1.687 GB, free: 13.07 MB / 1.373 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006884/2.29, allocations: 175.3 kB / 1.687 GB, free: 12.9 MB / 1.373 GB Notification: Performance of SimCode: time 1.694e-06/2.29, allocations: 0 / 1.687 GB, free: 12.9 MB / 1.373 GB Notification: Performance of Templates: time 0.1573/2.448, allocations: 83.2 MB / 1.769 GB, free: 9.832 MB / 1.451 GB " [Timeout remaining time 298] make -j1 -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 400] [Calling os._exit(0), Time elapsed: 13.331907683983445] Failed to read output from testmodel.py, exit status != 0: 2.4594653407111764 2.47664433 1.098463221 Calling exit ... <OMPython.OMCSessionZMQ object at 0x7fd2dc4657b0>