Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 0.00174/0.00174, allocations: 104.3 kB / 19.72 MB, free: 420 kB / 13.93 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 0.002107/0.002107, allocations: 216.3 kB / 23.02 MB, free: 2.969 MB / 13.93 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 1.693/1.693, allocations: 230.6 MB / 256.8 MB, free: 9.59 MB / 202.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 3.387/3.387, allocations: 0.5045 GB / 0.8104 GB, free: 2.73 MB / 0.6511 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.003942/0.003942, allocations: 63.91 kB / 1.177 GB, free: 11.32 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9187/0.9226, allocations: 180 MB / 1.353 GB, free: 1.562 MB / 1.026 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02714/0.9497, allocations: 17.92 MB / 1.37 GB, free: 15.58 MB / 1.057 GB Notification: Performance of NFInst.instExpressions: time 0.01386/0.9636, allocations: 6.746 MB / 1.377 GB, free: 8.82 MB / 1.057 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001796/0.9654, allocations: 63.75 kB / 1.377 GB, free: 8.758 MB / 1.057 GB Notification: Performance of NFTyping.typeComponents: time 0.004405/0.9698, allocations: 1.491 MB / 1.379 GB, free: 7.262 MB / 1.057 GB Notification: Performance of NFTyping.typeBindings: time 0.004126/0.9739, allocations: 1.455 MB / 1.38 GB, free: 5.801 MB / 1.057 GB Notification: Performance of NFTyping.typeClassSections: time 0.00377/0.9777, allocations: 1.273 MB / 1.381 GB, free: 4.527 MB / 1.057 GB Notification: Performance of NFFlatten.flatten: time 0.00758/0.9853, allocations: 5.476 MB / 1.387 GB, free: 15.04 MB / 1.073 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005712/0.991, allocations: 3.366 MB / 1.39 GB, free: 11.58 MB / 1.073 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004413/0.9954, allocations: 2.431 MB / 1.392 GB, free: 9.145 MB / 1.073 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005665/1.001, allocations: 3.007 MB / 1.395 GB, free: 6.129 MB / 1.073 GB Notification: Performance of NFPackage.collectConstants: time 0.001206/1.002, allocations: 0.5117 MB / 1.396 GB, free: 5.617 MB / 1.073 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0028/1.005, allocations: 1.202 MB / 1.397 GB, free: 4.414 MB / 1.073 GB Notification: Performance of NFScalarize.scalarize: time 0.002993/1.008, allocations: 2.315 MB / 1.399 GB, free: 2.094 MB / 1.073 GB Notification: Performance of NFVerifyModel.verify: time 0.002895/1.011, allocations: 1.786 MB / 1.401 GB, free: 308 kB / 1.073 GB Notification: Performance of NFConvertDAE.convert: time 0.01041/1.021, allocations: 7.831 MB / 1.409 GB, free: 8.445 MB / 1.089 GB Notification: Performance of FrontEnd - DAE generated: time 8.676e-06/1.021, allocations: 3.984 kB / 1.409 GB, free: 8.441 MB / 1.089 GB Notification: Performance of FrontEnd: time 2.615e-06/1.021, allocations: 0 / 1.409 GB, free: 8.441 MB / 1.089 GB Notification: Performance of Transformations before backend: time 0.0002073/1.022, allocations: 0 / 1.409 GB, free: 8.441 MB / 1.089 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 0.009353/1.031, allocations: 3.84 MB / 1.412 GB, free: 4.555 MB / 1.089 GB Notification: Performance of prepare preOptimizeDAE: time 4.727e-05/1.031, allocations: 8.922 kB / 1.412 GB, free: 4.547 MB / 1.089 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01271/1.044, allocations: 2.421 MB / 1.415 GB, free: 2.121 MB / 1.089 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006315/1.05, allocations: 2.177 MB / 1.417 GB, free: 15.91 MB / 1.104 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003737/1.05, allocations: 275.4 kB / 1.417 GB, free: 15.64 MB / 1.104 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001559/1.052, allocations: 347.9 kB / 1.417 GB, free: 15.3 MB / 1.104 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02142/1.073, allocations: 7.23 MB / 1.424 GB, free: 7.953 MB / 1.104 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001615/1.074, allocations: 3.953 kB / 1.424 GB, free: 7.949 MB / 1.104 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001447/1.075, allocations: 156 kB / 1.425 GB, free: 7.797 MB / 1.104 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006371/1.076, allocations: 338 kB / 1.425 GB, free: 7.465 MB / 1.104 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01993/1.096, allocations: 7.032 MB / 1.432 GB, free: 428 kB / 1.104 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 0.03847/1.134, allocations: 17.9 MB / 1.449 GB, free: 13.95 MB / 1.135 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008979/1.143, allocations: 3.721 MB / 1.453 GB, free: 10.21 MB / 1.135 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006813/1.15, allocations: 2.526 MB / 1.455 GB, free: 7.66 MB / 1.135 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002927/1.15, allocations: 45.97 kB / 1.455 GB, free: 7.613 MB / 1.135 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.922e-05/1.15, allocations: 60.5 kB / 1.455 GB, free: 7.547 MB / 1.135 GB Notification: Performance of pre-optimization done (n=208): time 6.102e-06/1.15, allocations: 0 / 1.455 GB, free: 7.547 MB / 1.135 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 0.1127/1.263, allocations: 30.8 MB / 1.486 GB, free: 8.766 MB / 1.167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003188/1.263, allocations: 239.6 kB / 1.486 GB, free: 8.48 MB / 1.167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002933/1.266, allocations: 1.436 MB / 1.487 GB, free: 7.031 MB / 1.167 GB Notification: Performance of collectPreVariables (initialization): time 0.0006181/1.267, allocations: 69.7 kB / 1.487 GB, free: 6.957 MB / 1.167 GB Notification: Performance of collectInitialEqns (initialization): time 0.001416/1.268, allocations: 1.561 MB / 1.489 GB, free: 5.379 MB / 1.167 GB Notification: Performance of collectInitialBindings (initialization): time 0.001527/1.27, allocations: 0.9683 MB / 1.49 GB, free: 4.402 MB / 1.167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001948/1.272, allocations: 0.6321 MB / 1.49 GB, free: 3.762 MB / 1.167 GB Notification: Performance of setup shared object (initialization): time 0.0001518/1.272, allocations: 305.1 kB / 1.491 GB, free: 3.461 MB / 1.167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006944/1.279, allocations: 2.686 MB / 1.493 GB, free: 0.7656 MB / 1.167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008017/1.287, allocations: 3.647 MB / 1.497 GB, free: 12.71 MB / 1.182 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01537/1.302, allocations: 6.41 MB / 1.503 GB, free: 5.906 MB / 1.182 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.193e-05/1.302, allocations: 11.94 kB / 1.503 GB, free: 5.895 MB / 1.182 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 0.0332/1.335, allocations: 10.79 MB / 1.514 GB, free: 11.04 MB / 1.198 GB Notification: Performance of prepare postOptimizeDAE: time 6.084e-05/1.335, allocations: 18.19 kB / 1.514 GB, free: 11.02 MB / 1.198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.318e-05/1.336, allocations: 28.56 kB / 1.514 GB, free: 11 MB / 1.198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02224/1.358, allocations: 5.532 MB / 1.519 GB, free: 5.445 MB / 1.198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004729/1.363, allocations: 0.9868 MB / 1.52 GB, free: 4.457 MB / 1.198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05034/1.413, allocations: 27.39 MB / 1.547 GB, free: 8.734 MB / 1.229 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004531/1.417, allocations: 0.5733 MB / 1.547 GB, free: 8.16 MB / 1.229 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006833/1.418, allocations: 155.9 kB / 1.547 GB, free: 8.008 MB / 1.229 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009703/1.428, allocations: 3.984 MB / 1.551 GB, free: 4.016 MB / 1.229 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008208/1.436, allocations: 3.6 MB / 1.555 GB, free: 20 kB / 1.229 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09558/1.532, allocations: 24.47 MB / 1.579 GB, free: 7.074 MB / 1.26 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.021e-05/1.532, allocations: 11.98 kB / 1.579 GB, free: 7.062 MB / 1.26 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 0.02855/1.56, allocations: 10.17 MB / 1.589 GB, free: 12.82 MB / 1.276 GB Notification: Performance of prepare postOptimizeDAE: time 4.491e-05/1.56, allocations: 16 kB / 1.589 GB, free: 12.8 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.701e-05/1.56, allocations: 31.98 kB / 1.589 GB, free: 12.77 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01665/1.577, allocations: 4.314 MB / 1.593 GB, free: 8.441 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004933/1.582, allocations: 1.041 MB / 1.594 GB, free: 7.398 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04275/1.625, allocations: 26.12 MB / 1.62 GB, free: 12.75 MB / 1.307 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00465/1.629, allocations: 0.5615 MB / 1.62 GB, free: 12.18 MB / 1.307 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007054/1.63, allocations: 151.9 kB / 1.62 GB, free: 12.04 MB / 1.307 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 0.001422/1.631, allocations: 403.4 kB / 1.621 GB, free: 11.63 MB / 1.307 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009151/1.632, allocations: 206.8 kB / 1.621 GB, free: 11.43 MB / 1.307 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 0.03079/1.663, allocations: 9.924 MB / 1.63 GB, free: 1.461 MB / 1.307 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.503e-05/1.663, allocations: 28 kB / 1.631 GB, free: 1.434 MB / 1.307 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.598e-05/1.663, allocations: 12 kB / 1.631 GB, free: 1.422 MB / 1.307 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.297e-05/1.663, allocations: 15.94 kB / 1.631 GB, free: 1.406 MB / 1.307 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 0.04068/1.704, allocations: 14.77 MB / 1.645 GB, free: 2.473 MB / 1.323 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.605e-05/1.704, allocations: 8 kB / 1.645 GB, free: 2.465 MB / 1.323 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003636/1.708, allocations: 0.7378 MB / 1.646 GB, free: 1.727 MB / 1.323 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02106/1.729, allocations: 5.173 MB / 1.651 GB, free: 12.54 MB / 1.339 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006927/1.729, allocations: 75.89 kB / 1.651 GB, free: 12.46 MB / 1.339 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04862/1.778, allocations: 26.45 MB / 1.677 GB, free: 1.617 MB / 1.354 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.584e-05/1.778, allocations: 12.03 kB / 1.677 GB, free: 1.605 MB / 1.354 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 0.02823/1.806, allocations: 9.861 MB / 1.686 GB, free: 7.531 MB / 1.37 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002118/1.808, allocations: 0.6545 MB / 1.687 GB, free: 6.875 MB / 1.37 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008033/1.809, allocations: 59.89 kB / 1.687 GB, free: 6.816 MB / 1.37 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003884/1.813, allocations: 0.507 MB / 1.687 GB, free: 6.309 MB / 1.37 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001015/1.814, allocations: 238.3 kB / 1.688 GB, free: 6.074 MB / 1.37 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004044/1.814, allocations: 91.89 kB / 1.688 GB, free: 5.984 MB / 1.37 GB Notification: Performance of sorting global known variables: time 0.00196/1.816, allocations: 0.944 MB / 1.689 GB, free: 5.035 MB / 1.37 GB Notification: Performance of sort global known variables: time 1e-07/1.816, allocations: 0 / 1.689 GB, free: 5.035 MB / 1.37 GB Notification: Performance of remove unused functions: time 0.007323/1.824, allocations: 1.848 MB / 1.691 GB, free: 3.188 MB / 1.37 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 0.0006242/1.824, allocations: 178.9 kB / 1.691 GB, free: 3.004 MB / 1.37 GB Notification: Performance of simCode: created initialization part: time 0.03548/1.86, allocations: 12.01 MB / 1.702 GB, free: 6.879 MB / 1.385 GB Notification: Performance of simCode: created event and clocks part: time 1.705e-05/1.86, allocations: 1.938 kB / 1.702 GB, free: 6.879 MB / 1.385 GB Notification: Performance of simCode: created simulation system equations: time 0.01195/1.872, allocations: 4.288 MB / 1.707 GB, free: 2.555 MB / 1.385 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002891/1.875, allocations: 259 kB / 1.707 GB, free: 2.309 MB / 1.385 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.8119/2.687, allocations: 9.669 MB / 1.716 GB, free: 328.4 MB / 1.385 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004038/2.691, allocations: 2.287 MB / 1.719 GB, free: 328.2 MB / 1.385 GB Notification: Performance of simCode: alias equations: time 0.004655/2.695, allocations: 1.648 MB / 1.72 GB, free: 328.1 MB / 1.385 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006509/2.696, allocations: 167.4 kB / 1.72 GB, free: 328.1 MB / 1.385 GB Notification: Performance of SimCode: time 1.312e-06/2.696, allocations: 0 / 1.72 GB, free: 328.1 MB / 1.385 GB Notification: Performance of Templates: time 0.08942/2.785, allocations: 80.32 MB / 1.799 GB, free: 268.7 MB / 1.385 GB " [Timeout remaining time 297] make -j1 -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 13.513390901498497]