Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 0.001953/0.001953, allocations: 107.6 kB / 18.95 MB, free: 2.809 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 0.002421/0.002421, allocations: 210.9 kB / 22.25 MB, free: 5.117 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 1.484/1.484, allocations: 230.6 MB / 256 MB, free: 7.809 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.262/3.262, allocations: 0.5107 GB / 0.8158 GB, free: 17.87 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [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 0.002044/0.002044, allocations: 64.19 kB / 1.186 GB, free: 13.72 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3642/0.3662, allocations: 181.9 MB / 1.363 GB, free: 14.07 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02414/0.3904, allocations: 17.93 MB / 1.381 GB, free: 12.07 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.01251/0.4029, allocations: 6.738 MB / 1.388 GB, free: 5.32 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001647/0.4045, allocations: 63.75 kB / 1.388 GB, free: 5.258 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.003962/0.4085, allocations: 1.488 MB / 1.389 GB, free: 3.766 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.003984/0.4125, allocations: 1.463 MB / 1.391 GB, free: 2.297 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.003392/0.4159, allocations: 1.259 MB / 1.392 GB, free: 1.035 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.006844/0.4227, allocations: 5.468 MB / 1.397 GB, free: 11.55 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005619/0.4283, allocations: 3.393 MB / 1.4 GB, free: 8.066 MB / 1.092 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004587/0.4329, allocations: 2.415 MB / 1.403 GB, free: 5.645 MB / 1.092 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006104/0.439, allocations: 3.007 MB / 1.406 GB, free: 2.629 MB / 1.092 GB Notification: Performance of NFPackage.collectConstants: time 0.001721/0.4407, allocations: 0.5195 MB / 1.406 GB, free: 2.109 MB / 1.092 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003684/0.4444, allocations: 1.202 MB / 1.407 GB, free: 0.9062 MB / 1.092 GB Notification: Performance of NFScalarize.scalarize: time 0.00451/0.4489, allocations: 2.303 MB / 1.41 GB, free: 14.6 MB / 1.107 GB Notification: Performance of NFVerifyModel.verify: time 0.005266/0.4542, allocations: 1.786 MB / 1.411 GB, free: 12.8 MB / 1.107 GB Notification: Performance of NFConvertDAE.convert: time 0.01126/0.4655, allocations: 7.839 MB / 1.419 GB, free: 4.941 MB / 1.107 GB Notification: Performance of FrontEnd - DAE generated: time 6.052e-06/0.4655, allocations: 0 / 1.419 GB, free: 4.941 MB / 1.107 GB Notification: Performance of FrontEnd: time 2.325e-06/0.4655, allocations: 0 / 1.419 GB, free: 4.941 MB / 1.107 GB Notification: Performance of Transformations before backend: time 0.0002334/0.4657, allocations: 0 / 1.419 GB, free: 4.941 MB / 1.107 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 0.01131/0.477, allocations: 3.836 MB / 1.423 GB, free: 1.059 MB / 1.107 GB Notification: Performance of prepare preOptimizeDAE: time 4.637e-05/0.4771, allocations: 11.97 kB / 1.423 GB, free: 1.047 MB / 1.107 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002218/0.4793, allocations: 0.5503 MB / 1.423 GB, free: 500 kB / 1.107 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01424/0.4935, allocations: 2.429 MB / 1.426 GB, free: 14.05 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006654/0.5002, allocations: 2.17 MB / 1.428 GB, free: 11.85 MB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000339/0.5005, allocations: 275.2 kB / 1.428 GB, free: 11.58 MB / 1.123 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00185/0.5024, allocations: 343.9 kB / 1.428 GB, free: 11.25 MB / 1.123 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01948/0.5218, allocations: 7.239 MB / 1.435 GB, free: 3.883 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001442/0.522, allocations: 7.891 kB / 1.435 GB, free: 3.875 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001214/0.5232, allocations: 152 kB / 1.436 GB, free: 3.727 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005835/0.5238, allocations: 334.1 kB / 1.436 GB, free: 3.398 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0186/0.5424, allocations: 7.028 MB / 1.443 GB, free: 12.36 MB / 1.139 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 0.03769/0.5801, allocations: 18.5 MB / 1.461 GB, free: 9.281 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008745/0.5888, allocations: 3.721 MB / 1.465 GB, free: 5.543 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006483/0.5953, allocations: 2.526 MB / 1.467 GB, free: 2.992 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003148/0.5956, allocations: 45.97 kB / 1.467 GB, free: 2.945 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.626e-05/0.5957, allocations: 64.48 kB / 1.467 GB, free: 2.875 MB / 1.154 GB Notification: Performance of pre-optimization done (n=208): time 5.09e-06/0.5957, allocations: 0 / 1.467 GB, free: 2.875 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=271): time 0.1116/0.7073, allocations: 30.81 MB / 1.497 GB, free: 4.07 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000165/0.7074, allocations: 239.6 kB / 1.497 GB, free: 3.785 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00258/0.71, allocations: 1.527 MB / 1.499 GB, free: 2.25 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.0005252/0.7105, allocations: 73.7 kB / 1.499 GB, free: 2.172 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.001176/0.7117, allocations: 1.546 MB / 1.5 GB, free: 0.6094 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.001241/0.7129, allocations: 0.9607 MB / 1.501 GB, free: 15.64 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001182/0.7141, allocations: 0.636 MB / 1.502 GB, free: 14.99 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001251/0.7143, allocations: 308.9 kB / 1.502 GB, free: 14.69 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006271/0.7205, allocations: 2.69 MB / 1.505 GB, free: 11.99 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007384/0.7279, allocations: 3.647 MB / 1.509 GB, free: 7.949 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01411/0.742, allocations: 6.399 MB / 1.515 GB, free: 1.152 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.776e-05/0.7421, allocations: 11.94 kB / 1.515 GB, free: 1.141 MB / 1.201 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 0.03177/0.7738, allocations: 10.79 MB / 1.525 GB, free: 6.281 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 4.803e-05/0.7739, allocations: 20.03 kB / 1.525 GB, free: 6.262 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.686e-05/0.7739, allocations: 31.94 kB / 1.525 GB, free: 6.23 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02079/0.7947, allocations: 5.525 MB / 1.531 GB, free: 0.6914 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004556/0.7993, allocations: 0.9945 MB / 1.532 GB, free: 15.7 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04583/0.8451, allocations: 27.48 MB / 1.559 GB, free: 3.848 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004889/0.85, allocations: 0.5733 MB / 1.559 GB, free: 3.273 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006415/0.8506, allocations: 151.9 kB / 1.559 GB, free: 3.125 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008711/0.8593, allocations: 3.991 MB / 1.563 GB, free: 15.12 MB / 1.264 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007145/0.8665, allocations: 3.611 MB / 1.567 GB, free: 11.12 MB / 1.264 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09125/0.9577, allocations: 24.46 MB / 1.591 GB, free: 2.172 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.087e-05/0.9578, allocations: 8 kB / 1.591 GB, free: 2.164 MB / 1.279 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 0.02691/0.9847, allocations: 10.17 MB / 1.601 GB, free: 7.914 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 3.856e-05/0.9847, allocations: 20.5 kB / 1.601 GB, free: 7.895 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.861e-05/0.9848, allocations: 28 kB / 1.601 GB, free: 7.867 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01525/1, allocations: 4.317 MB / 1.605 GB, free: 3.535 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004737/1.005, allocations: 1.037 MB / 1.606 GB, free: 2.496 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7459/1.751, allocations: 26.24 MB / 1.631 GB, free: 213.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004823/1.755, allocations: 0.5592 MB / 1.632 GB, free: 213 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005579/1.756, allocations: 154 kB / 1.632 GB, free: 213 MB / 1.295 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 0.001003/1.757, allocations: 401.2 kB / 1.632 GB, free: 212.7 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006368/1.758, allocations: 210.1 kB / 1.633 GB, free: 212.7 MB / 1.295 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 0.02717/1.785, allocations: 9.926 MB / 1.642 GB, free: 210.1 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.858e-05/1.785, allocations: 28.22 kB / 1.642 GB, free: 210.1 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.274e-05/1.785, allocations: 16.03 kB / 1.642 GB, free: 210.1 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.243e-05/1.785, allocations: 20.31 kB / 1.642 GB, free: 210.1 MB / 1.295 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 0.03368/1.819, allocations: 15.37 MB / 1.657 GB, free: 204.9 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.431e-05/1.819, allocations: 6.875 kB / 1.657 GB, free: 204.9 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003231/1.822, allocations: 0.7343 MB / 1.658 GB, free: 204.9 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01683/1.839, allocations: 5.172 MB / 1.663 GB, free: 203.5 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006785/1.839, allocations: 72.39 kB / 1.663 GB, free: 203.5 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03174/1.871, allocations: 26.55 MB / 1.689 GB, free: 182.2 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.482e-06/1.871, allocations: 12.03 kB / 1.689 GB, free: 182.2 MB / 1.295 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 0.02202/1.893, allocations: 9.88 MB / 1.699 GB, free: 172.1 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002201/1.895, allocations: 0.6644 MB / 1.7 GB, free: 171.5 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004977/1.896, allocations: 55.98 kB / 1.7 GB, free: 171.4 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003339/1.899, allocations: 0.5031 MB / 1.7 GB, free: 170.9 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007004/1.9, allocations: 234.2 kB / 1.7 GB, free: 170.7 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000208/1.9, allocations: 95.89 kB / 1.7 GB, free: 170.6 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001283/1.901, allocations: 1.005 MB / 1.701 GB, free: 169.6 MB / 1.295 GB Notification: Performance of sort global known variables: time 9.1e-08/1.901, allocations: 0 / 1.701 GB, free: 169.6 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.006154/1.908, allocations: 1.857 MB / 1.703 GB, free: 167.7 MB / 1.295 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)} 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 Backend phase and start with SimCode phase: time 0.02194/1.93, allocations: 10.53 MB / 1.713 GB, free: 157 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02564/1.955, allocations: 12.02 MB / 1.725 GB, free: 144.9 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.53e-05/1.955, allocations: 4.062 kB / 1.725 GB, free: 144.9 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009348/1.965, allocations: 4.257 MB / 1.729 GB, free: 140.6 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00221/1.967, allocations: 297.7 kB / 1.73 GB, free: 140.3 MB / 1.295 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. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08619/2.053, allocations: 42.13 MB / 1.771 GB, free: 96.97 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002776/2.056, allocations: 2.285 MB / 1.773 GB, free: 94.64 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004064/2.06, allocations: 1.659 MB / 1.775 GB, free: 93 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001577/2.061, allocations: 1.226 MB / 1.776 GB, free: 91.77 MB / 1.295 GB Notification: Performance of SimCode: time 1.292e-06/2.061, allocations: 2.516 kB / 1.776 GB, free: 91.77 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1874/2.249, allocations: 104.3 MB / 1.878 GB, free: 3.965 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.37/18.62, allocations: 9.953 kB / 1.878 GB, free: 3.957 MB / 1.311 GB " [Timeout remaining time 281] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 25.586855742149055] Failed to read output from testmodel.py, exit status != 0: 18.791252745781094 18.819175113 18.348006139 Calling exit ...