Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.001745/0.001745, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.002171/0.002171, allocations: 212.3 kB / 22.25 MB, free: 4.859 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 1.481/1.481, allocations: 230.6 MB / 256 MB, free: 7.785 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 3.24/3.24, allocations: 0.5107 GB / 0.8158 GB, free: 17.8 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.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.002176/0.002176, allocations: 71.42 kB / 1.186 GB, free: 13.64 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3146/0.3167, allocations: 181.8 MB / 1.363 GB, free: 14.02 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02345/0.3402, allocations: 17.86 MB / 1.381 GB, free: 12.1 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.01182/0.352, allocations: 6.731 MB / 1.387 GB, free: 5.355 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001055/0.3531, allocations: 63.75 kB / 1.388 GB, free: 5.293 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.003795/0.3569, allocations: 1.481 MB / 1.389 GB, free: 3.809 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.003165/0.36, allocations: 1.447 MB / 1.39 GB, free: 2.355 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.002982/0.363, allocations: 1.255 MB / 1.392 GB, free: 1.098 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.00599/0.369, allocations: 5.445 MB / 1.397 GB, free: 11.64 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004683/0.3737, allocations: 3.339 MB / 1.4 GB, free: 8.203 MB / 1.092 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003602/0.3773, allocations: 2.408 MB / 1.403 GB, free: 5.789 MB / 1.092 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004449/0.3817, allocations: 2.999 MB / 1.405 GB, free: 2.781 MB / 1.092 GB Notification: Performance of NFPackage.collectConstants: time 0.0008836/0.3826, allocations: 0.5117 MB / 1.406 GB, free: 2.27 MB / 1.092 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002303/0.3849, allocations: 1.205 MB / 1.407 GB, free: 1.062 MB / 1.092 GB Notification: Performance of NFScalarize.scalarize: time 0.002532/0.3874, allocations: 2.296 MB / 1.409 GB, free: 14.76 MB / 1.107 GB Notification: Performance of NFVerifyModel.verify: time 0.002477/0.3899, allocations: 1.771 MB / 1.411 GB, free: 12.98 MB / 1.107 GB Notification: Performance of NFConvertDAE.convert: time 0.00824/0.3982, allocations: 7.796 MB / 1.419 GB, free: 5.164 MB / 1.107 GB Notification: Performance of FrontEnd - DAE generated: time 4.518e-06/0.3982, allocations: 0 / 1.419 GB, free: 5.164 MB / 1.107 GB Notification: Performance of FrontEnd: time 1.472e-06/0.3982, allocations: 0 / 1.419 GB, free: 5.164 MB / 1.107 GB Notification: Performance of Transformations before backend: time 0.0001476/0.3983, allocations: 0 / 1.419 GB, free: 5.164 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.008035/0.4063, allocations: 3.793 MB / 1.422 GB, free: 1.324 MB / 1.107 GB Notification: Performance of prepare preOptimizeDAE: time 4.966e-05/0.4064, allocations: 16.03 kB / 1.422 GB, free: 1.309 MB / 1.107 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009009/0.4073, allocations: 0.5384 MB / 1.423 GB, free: 0.7617 MB / 1.107 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01307/0.4204, allocations: 2.421 MB / 1.425 GB, free: 14.34 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006445/0.4268, allocations: 2.169 MB / 1.427 GB, free: 12.13 MB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002664/0.4271, allocations: 267.2 kB / 1.428 GB, free: 11.87 MB / 1.123 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001348/0.4284, allocations: 348 kB / 1.428 GB, free: 11.53 MB / 1.123 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01558/0.444, allocations: 7.205 MB / 1.435 GB, free: 4.199 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.397e-05/0.4441, allocations: 3.938 kB / 1.435 GB, free: 4.195 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005139/0.4446, allocations: 144 kB / 1.435 GB, free: 4.055 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005133/0.4451, allocations: 338 kB / 1.436 GB, free: 3.723 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0167/0.4618, allocations: 7.02 MB / 1.442 GB, free: 12.7 MB / 1.139 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03353/0.4954, allocations: 18.44 MB / 1.46 GB, free: 9.672 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007835/0.5032, allocations: 3.721 MB / 1.464 GB, free: 5.934 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00599/0.5092, allocations: 2.518 MB / 1.467 GB, free: 3.391 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001997/0.5094, allocations: 49.91 kB / 1.467 GB, free: 3.34 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.329e-05/0.5094, allocations: 64.52 kB / 1.467 GB, free: 3.27 MB / 1.154 GB Notification: Performance of pre-optimization done (n=208): time 5.039e-06/0.5094, allocations: 0 / 1.467 GB, free: 3.27 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.106/0.6154, allocations: 30.75 MB / 1.497 GB, free: 4.527 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001571/0.6156, allocations: 239.6 kB / 1.497 GB, free: 4.242 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002274/0.6178, allocations: 1.478 MB / 1.498 GB, free: 2.754 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.0004518/0.6183, allocations: 73.7 kB / 1.498 GB, free: 2.676 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.001085/0.6194, allocations: 1.534 MB / 1.5 GB, free: 1.125 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.001113/0.6205, allocations: 0.9644 MB / 1.501 GB, free: 156 kB / 1.186 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001221/0.6217, allocations: 0.636 MB / 1.501 GB, free: 15.5 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001259/0.6218, allocations: 301.1 kB / 1.502 GB, free: 15.21 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006131/0.628, allocations: 2.698 MB / 1.504 GB, free: 12.5 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00683/0.6348, allocations: 3.65 MB / 1.508 GB, free: 8.453 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01305/0.6478, allocations: 6.395 MB / 1.514 GB, free: 1.66 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.46e-05/0.6479, allocations: 12 kB / 1.514 GB, free: 1.648 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02886/0.6767, allocations: 10.76 MB / 1.525 GB, free: 6.816 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 3.713e-05/0.6768, allocations: 16 kB / 1.525 GB, free: 6.801 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.727e-05/0.6768, allocations: 28 kB / 1.525 GB, free: 6.773 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01987/0.6967, allocations: 5.556 MB / 1.53 GB, free: 1.207 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004355/0.701, allocations: 0.9945 MB / 1.531 GB, free: 216 kB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04445/0.7455, allocations: 27.48 MB / 1.558 GB, free: 4.359 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004564/0.7501, allocations: 0.5733 MB / 1.559 GB, free: 3.785 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000511/0.7506, allocations: 148 kB / 1.559 GB, free: 3.641 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008193/0.7588, allocations: 3.988 MB / 1.563 GB, free: 15.64 MB / 1.264 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006794/0.7656, allocations: 3.611 MB / 1.566 GB, free: 11.64 MB / 1.264 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09052/0.8561, allocations: 24.48 MB / 1.59 GB, free: 2.676 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.313e-05/0.8561, allocations: 8 kB / 1.59 GB, free: 2.668 MB / 1.279 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02735/0.8835, allocations: 10.16 MB / 1.6 GB, free: 8.426 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 3.732e-05/0.8835, allocations: 25.91 kB / 1.6 GB, free: 8.402 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.65e-05/0.8835, allocations: 28 kB / 1.6 GB, free: 8.375 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01557/0.8991, allocations: 4.322 MB / 1.604 GB, free: 4.039 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004672/0.9038, allocations: 1.041 MB / 1.605 GB, free: 2.996 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6674/1.571, allocations: 26.26 MB / 1.631 GB, free: 212.9 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004767/1.576, allocations: 0.5549 MB / 1.631 GB, free: 212.8 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004531/1.576, allocations: 150.7 kB / 1.632 GB, free: 212.8 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (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 0.0008558/1.577, allocations: 400.8 kB / 1.632 GB, free: 212.5 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000553/1.578, allocations: 206.3 kB / 1.632 GB, free: 212.5 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02661/1.604, allocations: 9.919 MB / 1.642 GB, free: 209.9 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.043e-05/1.604, allocations: 31.08 kB / 1.642 GB, free: 209.9 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.064e-05/1.605, allocations: 19.45 kB / 1.642 GB, free: 209.9 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.125e-05/1.605, allocations: 16.34 kB / 1.642 GB, free: 209.9 MB / 1.295 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] 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 0.03416/1.639, allocations: 15.39 MB / 1.657 GB, free: 204.8 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.173e-05/1.639, allocations: 8.281 kB / 1.657 GB, free: 204.8 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003336/1.642, allocations: 0.7337 MB / 1.658 GB, free: 204.7 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01684/1.659, allocations: 5.176 MB / 1.663 GB, free: 203.6 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004713/1.659, allocations: 74.48 kB / 1.663 GB, free: 203.6 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03175/1.691, allocations: 26.52 MB / 1.689 GB, free: 182.5 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.715e-06/1.691, allocations: 12.78 kB / 1.689 GB, free: 182.5 MB / 1.295 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02237/1.714, allocations: 9.91 MB / 1.698 GB, free: 172.4 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00209/1.716, allocations: 0.6604 MB / 1.699 GB, free: 171.7 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004599/1.716, allocations: 58.09 kB / 1.699 GB, free: 171.7 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003452/1.72, allocations: 0.5099 MB / 1.7 GB, free: 171.2 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006766/1.72, allocations: 236.3 kB / 1.7 GB, free: 170.9 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002269/1.72, allocations: 95.88 kB / 1.7 GB, free: 170.8 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001273/1.722, allocations: 0.9723 MB / 1.701 GB, free: 169.9 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.3e-07/1.722, allocations: 0 / 1.701 GB, free: 169.9 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.005693/1.727, allocations: 1.848 MB / 1.703 GB, free: 168 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 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02351/1.751, allocations: 10.56 MB / 1.713 GB, free: 157.2 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02532/1.776, allocations: 12.02 MB / 1.725 GB, free: 145.1 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.586e-05/1.776, allocations: 0 / 1.725 GB, free: 145.1 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009237/1.785, allocations: 4.247 MB / 1.729 GB, free: 140.8 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002206/1.788, allocations: 267.4 kB / 1.729 GB, free: 140.6 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08304/1.871, allocations: 41.88 MB / 1.77 GB, free: 97.5 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002311/1.873, allocations: 2.275 MB / 1.772 GB, free: 95.19 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.003931/1.877, allocations: 1.651 MB / 1.774 GB, free: 93.54 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001453/1.878, allocations: 1.206 MB / 1.775 GB, free: 92.34 MB / 1.295 GB Notification: Performance of SimCode: time 1.432e-06/1.878, allocations: 0 / 1.775 GB, free: 92.34 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1376/2.016, allocations: 103.4 MB / 1.876 GB, free: 5.457 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.44/18.45, allocations: 7.938 kB / 1.876 GB, free: 5.449 MB / 1.311 GB " [Timeout remaining time 281] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 25.29790838016197] Failed to read output from testmodel.py, exit status != 0: 18.624714645091444 18.65187225 18.248669529 Calling exit ...