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 4.1.0+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 0.001736/0.001736, allocations: 79.73 kB / 19.76 MB, free: 1.871 MB / 14.72 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 0.002066/0.002066, allocations: 158.5 kB / 23.01 MB, free: 4.598 MB / 14.72 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 1.425/1.425, allocations: 177.2 MB / 203.4 MB, free: 9.004 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.777/2.777, allocations: 377.9 MB / 0.6228 GB, free: 12.59 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.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="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: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00222/0.00222, allocations: 67.91 kB / 0.982 GB, free: 12.09 MB / 0.9356 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.875/0.8772, allocations: 176.1 MB / 1.154 GB, free: 33.34 MB / 1.076 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01709/0.8943, allocations: 17.92 MB / 1.172 GB, free: 22.29 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.01115/0.9055, allocations: 6.752 MB / 1.178 GB, free: 17.92 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001698/0.9072, allocations: 64.56 kB / 1.178 GB, free: 17.9 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.00341/0.9106, allocations: 1.488 MB / 1.18 GB, free: 17.09 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.003273/0.9139, allocations: 1.446 MB / 1.181 GB, free: 16.28 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.003138/0.917, allocations: 1.274 MB / 1.182 GB, free: 15.6 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.00643/0.9234, allocations: 5.483 MB / 1.188 GB, free: 13.27 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004714/0.9281, allocations: 3.359 MB / 1.191 GB, free: 11.58 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004162/0.9323, allocations: 2.428 MB / 1.193 GB, free: 10.5 MB / 1.076 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00535/0.9377, allocations: 3.003 MB / 1.196 GB, free: 9.418 MB / 1.076 GB Notification: Performance of NFPackage.collectConstants: time 0.001085/0.9387, allocations: 0.5171 MB / 1.197 GB, free: 9.414 MB / 1.076 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002788/0.9415, allocations: 1.202 MB / 1.198 GB, free: 9.18 MB / 1.076 GB Notification: Performance of NFScalarize.scalarize: time 0.003058/0.9446, allocations: 2.305 MB / 1.2 GB, free: 8.258 MB / 1.076 GB Notification: Performance of NFVerifyModel.verify: time 0.003392/0.948, allocations: 1.786 MB / 1.202 GB, free: 7.246 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.01256/0.9605, allocations: 7.834 MB / 1.21 GB, free: 4.828 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 7.614e-06/0.9606, allocations: 8.594 kB / 1.21 GB, free: 4.82 MB / 1.076 GB Notification: Performance of FrontEnd: time 2.365e-06/0.9606, allocations: 0 / 1.21 GB, free: 4.82 MB / 1.076 GB Notification: Performance of Transformations before backend: time 0.0002912/0.9608, allocations: 0 / 1.21 GB, free: 4.82 MB / 1.076 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 0.01454/0.9754, allocations: 3.837 MB / 1.213 GB, free: 2.707 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 4.361e-05/0.9754, allocations: 13.53 kB / 1.213 GB, free: 2.703 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01449/0.9899, allocations: 2.432 MB / 1.216 GB, free: 2.43 MB / 1.076 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006927/0.9968, allocations: 2.17 MB / 1.218 GB, free: 1.367 MB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002887/0.9971, allocations: 271.8 kB / 1.218 GB, free: 1.242 MB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001862/0.999, allocations: 351.8 kB / 1.218 GB, free: 1.125 MB / 1.076 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02024/1.019, allocations: 7.234 MB / 1.225 GB, free: 14.62 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000148/1.019, allocations: 1.375 kB / 1.225 GB, free: 14.62 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001153/1.021, allocations: 147.6 kB / 1.226 GB, free: 14.51 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005625/1.021, allocations: 335.3 kB / 1.226 GB, free: 14.47 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02209/1.043, allocations: 7.037 MB / 1.233 GB, free: 12.17 MB / 1.092 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 0.0451/1.088, allocations: 17.92 MB / 1.25 GB, free: 15.07 MB / 1.107 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009697/1.098, allocations: 3.728 MB / 1.254 GB, free: 13.1 MB / 1.107 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006702/1.105, allocations: 2.526 MB / 1.256 GB, free: 11.81 MB / 1.107 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003212/1.105, allocations: 45.41 kB / 1.256 GB, free: 11.79 MB / 1.107 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.873e-05/1.105, allocations: 67.23 kB / 1.257 GB, free: 11.73 MB / 1.107 GB Notification: Performance of pre-optimization done (n=208): time 6.562e-06/1.105, allocations: 0 / 1.257 GB, free: 11.73 MB / 1.107 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 0.1153/1.22, allocations: 30.8 MB / 1.287 GB, free: 456 kB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001737/1.221, allocations: 239.6 kB / 1.287 GB, free: 164 kB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002992/1.224, allocations: 1.433 MB / 1.288 GB, free: 14.71 MB / 1.139 GB Notification: Performance of collectPreVariables (initialization): time 0.0006233/1.224, allocations: 73.7 kB / 1.288 GB, free: 14.64 MB / 1.139 GB Notification: Performance of collectInitialEqns (initialization): time 0.001346/1.226, allocations: 1.554 MB / 1.29 GB, free: 13.07 MB / 1.139 GB Notification: Performance of collectInitialBindings (initialization): time 0.001465/1.227, allocations: 0.9644 MB / 1.291 GB, free: 12.09 MB / 1.139 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002078/1.229, allocations: 0.6398 MB / 1.291 GB, free: 11.45 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001517/1.229, allocations: 301.1 kB / 1.292 GB, free: 11.15 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006695/1.236, allocations: 2.694 MB / 1.294 GB, free: 8.445 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007568/1.244, allocations: 3.647 MB / 1.298 GB, free: 4.402 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01424/1.258, allocations: 6.395 MB / 1.304 GB, free: 13.61 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.545e-05/1.258, allocations: 11.94 kB / 1.304 GB, free: 13.6 MB / 1.154 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 0.03092/1.289, allocations: 10.79 MB / 1.315 GB, free: 2.75 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.51e-05/1.289, allocations: 20 kB / 1.315 GB, free: 2.73 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.745e-05/1.289, allocations: 28 kB / 1.315 GB, free: 2.703 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02103/1.31, allocations: 5.547 MB / 1.32 GB, free: 13.14 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004829/1.315, allocations: 0.9906 MB / 1.321 GB, free: 12.14 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04972/1.364, allocations: 27.38 MB / 1.348 GB, free: 436 kB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005332/1.37, allocations: 0.5694 MB / 1.348 GB, free: 15.86 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008344/1.371, allocations: 151.9 kB / 1.349 GB, free: 15.71 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01055/1.381, allocations: 3.988 MB / 1.352 GB, free: 11.71 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007919/1.389, allocations: 3.607 MB / 1.356 GB, free: 7.707 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09516/1.484, allocations: 24.47 MB / 1.38 GB, free: 14.76 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.617e-05/1.484, allocations: 11.98 kB / 1.38 GB, free: 14.75 MB / 1.232 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 0.02994/1.514, allocations: 10.17 MB / 1.39 GB, free: 4.512 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 4.852e-05/1.514, allocations: 16 kB / 1.39 GB, free: 4.496 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.916e-05/1.514, allocations: 24 kB / 1.39 GB, free: 4.473 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01618/1.53, allocations: 4.303 MB / 1.394 GB, free: 156 kB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005326/1.536, allocations: 1.045 MB / 1.395 GB, free: 15.11 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04109/1.577, allocations: 26.16 MB / 1.421 GB, free: 4.414 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005016/1.582, allocations: 0.5499 MB / 1.421 GB, free: 3.863 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007673/1.583, allocations: 156.2 kB / 1.421 GB, free: 3.711 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 0.001454/1.584, allocations: 400.5 kB / 1.422 GB, free: 3.312 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008898/1.585, allocations: 202.8 kB / 1.422 GB, free: 3.113 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 0.0287/1.614, allocations: 9.938 MB / 1.432 GB, free: 9.125 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.052e-05/1.614, allocations: 28 kB / 1.432 GB, free: 9.098 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.422e-05/1.614, allocations: 12 kB / 1.432 GB, free: 9.086 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.056e-05/1.614, allocations: 15.95 kB / 1.432 GB, free: 9.07 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 0.04118/1.655, allocations: 14.77 MB / 1.446 GB, free: 10.14 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.751e-05/1.655, allocations: 12.03 kB / 1.446 GB, free: 10.13 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003573/1.659, allocations: 0.7255 MB / 1.447 GB, free: 9.406 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01922/1.678, allocations: 5.172 MB / 1.452 GB, free: 4.215 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006025/1.678, allocations: 79.89 kB / 1.452 GB, free: 4.137 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04561/1.724, allocations: 26.45 MB / 1.478 GB, free: 9.301 MB / 1.326 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.381e-05/1.724, allocations: 12.03 kB / 1.478 GB, free: 9.289 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 0.02834/1.752, allocations: 9.866 MB / 1.487 GB, free: 15.21 MB / 1.342 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002418/1.755, allocations: 0.6506 MB / 1.488 GB, free: 14.56 MB / 1.342 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009255/1.756, allocations: 55.98 kB / 1.488 GB, free: 14.5 MB / 1.342 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004177/1.76, allocations: 0.507 MB / 1.489 GB, free: 14 MB / 1.342 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001066/1.761, allocations: 230.4 kB / 1.489 GB, free: 13.77 MB / 1.342 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004249/1.761, allocations: 99.89 kB / 1.489 GB, free: 13.67 MB / 1.342 GB Notification: Performance of sorting global known variables: time 0.002023/1.763, allocations: 0.944 MB / 1.49 GB, free: 12.72 MB / 1.342 GB Notification: Performance of sort global known variables: time 1e-07/1.763, allocations: 3.938 kB / 1.49 GB, free: 12.71 MB / 1.342 GB Notification: Performance of remove unused functions: time 0.008763/1.772, allocations: 1.852 MB / 1.492 GB, free: 10.86 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 0.0005847/1.773, allocations: 178.9 kB / 1.492 GB, free: 10.68 MB / 1.342 GB Notification: Performance of simCode: created initialization part: time 0.03156/1.804, allocations: 12.03 MB / 1.503 GB, free: 14.55 MB / 1.357 GB Notification: Performance of simCode: created event and clocks part: time 1.327e-05/1.804, allocations: 8.062 kB / 1.503 GB, free: 14.54 MB / 1.357 GB Notification: Performance of simCode: created simulation system equations: time 0.01165/1.816, allocations: 4.262 MB / 1.508 GB, free: 10.23 MB / 1.357 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002852/1.819, allocations: 267.9 kB / 1.508 GB, free: 9.98 MB / 1.357 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03116/1.85, allocations: 9.678 MB / 1.517 GB, free: 172 kB / 1.357 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005133/1.855, allocations: 2.285 MB / 1.52 GB, free: 13.84 MB / 1.373 GB Notification: Performance of simCode: alias equations: time 0.005583/1.861, allocations: 1.652 MB / 1.521 GB, free: 12.19 MB / 1.373 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009009/1.862, allocations: 172.4 kB / 1.521 GB, free: 12.02 MB / 1.373 GB Notification: Performance of SimCode: time 1.383e-06/1.862, allocations: 0 / 1.521 GB, free: 12.02 MB / 1.373 GB Notification: Performance of Templates: time 0.1264/1.988, allocations: 76.71 MB / 1.596 GB, free: 15.63 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 -s ida -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: 11.5576846919721] Failed to read output from testmodel.py, exit status != 0: 1.9997073449194431 2.015330527 1.051356215 Calling exit ...