Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.0008236/0.0008236, allocations: 104.3 kB / 19.72 MB, free: 420 kB / 13.93 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001307/0.001307, allocations: 209.2 kB / 23.02 MB, free: 2.961 MB / 13.93 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9606/0.9606, allocations: 230.6 MB / 256.8 MB, free: 9.59 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 2.051/2.051, allocations: 0.5045 GB / 0.8104 GB, free: 2.762 MB / 0.6511 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_13_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_13_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001027/0.001027, allocations: 63.89 kB / 1.177 GB, free: 11.9 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7862/0.7872, allocations: 180 MB / 1.353 GB, free: 1.641 MB / 1.026 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01576/0.8029, allocations: 17.92 MB / 1.37 GB, free: 15.66 MB / 1.057 GB Notification: Performance of NFInst.instExpressions: time 0.01115/0.8141, allocations: 6.785 MB / 1.377 GB, free: 8.859 MB / 1.057 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002335/0.8164, allocations: 63.75 kB / 1.377 GB, free: 8.797 MB / 1.057 GB Notification: Performance of NFTyping.typeComponents: time 0.003761/0.8202, allocations: 1.495 MB / 1.378 GB, free: 7.301 MB / 1.057 GB Notification: Performance of NFTyping.typeBindings: time 0.004443/0.8246, allocations: 1.471 MB / 1.38 GB, free: 5.824 MB / 1.057 GB Notification: Performance of NFTyping.typeClassSections: time 0.003653/0.8283, allocations: 1.263 MB / 1.381 GB, free: 4.559 MB / 1.057 GB Notification: Performance of NFFlatten.flatten: time 0.00749/0.8358, allocations: 5.476 MB / 1.386 GB, free: 15.07 MB / 1.073 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005258/0.841, allocations: 3.377 MB / 1.39 GB, free: 11.6 MB / 1.073 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004975/0.846, allocations: 2.423 MB / 1.392 GB, free: 9.172 MB / 1.073 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004864/0.8509, allocations: 3.022 MB / 1.395 GB, free: 6.141 MB / 1.073 GB Notification: Performance of NFPackage.collectConstants: time 0.001112/0.852, allocations: 0.5117 MB / 1.395 GB, free: 5.629 MB / 1.073 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002415/0.8544, allocations: 1.205 MB / 1.397 GB, free: 4.422 MB / 1.073 GB Notification: Performance of NFScalarize.scalarize: time 0.002484/0.8569, allocations: 2.303 MB / 1.399 GB, free: 2.113 MB / 1.073 GB Notification: Performance of NFVerifyModel.verify: time 0.003821/0.8607, allocations: 1.79 MB / 1.4 GB, free: 324 kB / 1.073 GB Notification: Performance of NFConvertDAE.convert: time 0.008287/0.869, allocations: 7.827 MB / 1.408 GB, free: 8.465 MB / 1.089 GB Notification: Performance of FrontEnd - DAE generated: time 7.194e-06/0.869, allocations: 0 / 1.408 GB, free: 8.465 MB / 1.089 GB Notification: Performance of FrontEnd: time 3.076e-06/0.869, allocations: 0 / 1.408 GB, free: 8.465 MB / 1.089 GB Notification: Performance of Transformations before backend: time 0.0002416/0.8692, allocations: 0 / 1.408 GB, free: 8.465 MB / 1.089 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.007546/0.8768, allocations: 3.84 MB / 1.412 GB, free: 4.578 MB / 1.089 GB Notification: Performance of prepare preOptimizeDAE: time 5.296e-05/0.8768, allocations: 12.92 kB / 1.412 GB, free: 4.566 MB / 1.089 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007944/0.8776, allocations: 0.5465 MB / 1.412 GB, free: 4.012 MB / 1.089 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007514/0.8851, allocations: 2.429 MB / 1.415 GB, free: 1.578 MB / 1.089 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004314/0.8895, allocations: 2.177 MB / 1.417 GB, free: 15.36 MB / 1.104 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001784/0.8896, allocations: 271.2 kB / 1.417 GB, free: 15.1 MB / 1.104 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001097/0.8907, allocations: 348 kB / 1.418 GB, free: 14.76 MB / 1.104 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01273/0.9035, allocations: 7.23 MB / 1.425 GB, free: 7.414 MB / 1.104 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.177e-05/0.9035, allocations: 11.89 kB / 1.425 GB, free: 7.402 MB / 1.104 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006025/0.9041, allocations: 148 kB / 1.425 GB, free: 7.258 MB / 1.104 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003288/0.9045, allocations: 326.1 kB / 1.425 GB, free: 6.938 MB / 1.104 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01146/0.9159, allocations: 7.043 MB / 1.432 GB, free: 15.88 MB / 1.12 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02445/0.9404, allocations: 18.5 MB / 1.45 GB, free: 12.79 MB / 1.135 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004969/0.9453, allocations: 3.713 MB / 1.454 GB, free: 9.055 MB / 1.135 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003933/0.9493, allocations: 2.53 MB / 1.456 GB, free: 6.504 MB / 1.135 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001841/0.9495, allocations: 49.91 kB / 1.456 GB, free: 6.453 MB / 1.135 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.75e-05/0.9495, allocations: 56.56 kB / 1.456 GB, free: 6.391 MB / 1.135 GB Notification: Performance of pre-optimization done (n=208): time 5.019e-06/0.9495, allocations: 0 / 1.456 GB, free: 6.391 MB / 1.135 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.05812/1.008, allocations: 30.79 MB / 1.486 GB, free: 7.613 MB / 1.167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001055/1.008, allocations: 247.5 kB / 1.487 GB, free: 7.32 MB / 1.167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001758/1.009, allocations: 1.519 MB / 1.488 GB, free: 5.793 MB / 1.167 GB Notification: Performance of collectPreVariables (initialization): time 0.0005186/1.01, allocations: 73.7 kB / 1.488 GB, free: 5.715 MB / 1.167 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007796/1.011, allocations: 1.546 MB / 1.49 GB, free: 4.152 MB / 1.167 GB Notification: Performance of collectInitialBindings (initialization): time 0.001136/1.012, allocations: 0.9644 MB / 1.491 GB, free: 3.18 MB / 1.167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008841/1.013, allocations: 0.6399 MB / 1.491 GB, free: 2.531 MB / 1.167 GB Notification: Performance of setup shared object (initialization): time 7.663e-05/1.013, allocations: 309.1 kB / 1.491 GB, free: 2.227 MB / 1.167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003821/1.017, allocations: 2.69 MB / 1.494 GB, free: 15.52 MB / 1.182 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004603/1.021, allocations: 3.639 MB / 1.498 GB, free: 11.48 MB / 1.182 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008876/1.03, allocations: 6.399 MB / 1.504 GB, free: 4.688 MB / 1.182 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.81e-05/1.03, allocations: 8 kB / 1.504 GB, free: 4.68 MB / 1.182 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.01772/1.048, allocations: 10.76 MB / 1.514 GB, free: 9.848 MB / 1.198 GB Notification: Performance of prepare postOptimizeDAE: time 3.405e-05/1.048, allocations: 18.5 kB / 1.514 GB, free: 9.832 MB / 1.198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.901e-05/1.048, allocations: 24 kB / 1.514 GB, free: 9.809 MB / 1.198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01097/1.059, allocations: 5.564 MB / 1.52 GB, free: 4.23 MB / 1.198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002678/1.062, allocations: 0.9984 MB / 1.521 GB, free: 3.23 MB / 1.198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02884/1.09, allocations: 27.48 MB / 1.548 GB, free: 7.383 MB / 1.229 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003004/1.093, allocations: 0.5693 MB / 1.548 GB, free: 6.812 MB / 1.229 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003774/1.094, allocations: 155.9 kB / 1.548 GB, free: 6.66 MB / 1.229 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005645/1.1, allocations: 3.98 MB / 1.552 GB, free: 2.672 MB / 1.229 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004726/1.104, allocations: 3.611 MB / 1.556 GB, free: 14.66 MB / 1.245 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04872/1.153, allocations: 24.46 MB / 1.58 GB, free: 5.723 MB / 1.26 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.679e-05/1.153, allocations: 8 kB / 1.58 GB, free: 5.715 MB / 1.26 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 0.01665/1.17, allocations: 10.17 MB / 1.59 GB, free: 11.47 MB / 1.276 GB Notification: Performance of prepare postOptimizeDAE: time 3.264e-05/1.17, allocations: 22.28 kB / 1.59 GB, free: 11.45 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.411e-05/1.17, allocations: 24 kB / 1.59 GB, free: 11.43 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.008785/1.178, allocations: 4.322 MB / 1.594 GB, free: 7.086 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003288/1.182, allocations: 1.037 MB / 1.595 GB, free: 6.047 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02456/1.206, allocations: 26.27 MB / 1.621 GB, free: 11.2 MB / 1.307 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002887/1.209, allocations: 0.5538 MB / 1.621 GB, free: 10.64 MB / 1.307 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004728/1.21, allocations: 155.9 kB / 1.621 GB, free: 10.49 MB / 1.307 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.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 0.0008901/1.211, allocations: 403.2 kB / 1.622 GB, free: 10.09 MB / 1.307 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004979/1.211, allocations: 210.7 kB / 1.622 GB, free: 9.883 MB / 1.307 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : 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 0.01546/1.227, allocations: 9.934 MB / 1.632 GB, free: 15.91 MB / 1.323 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.644e-05/1.227, allocations: 28 kB / 1.632 GB, free: 15.88 MB / 1.323 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.263e-05/1.227, allocations: 12 kB / 1.632 GB, free: 15.87 MB / 1.323 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.802e-05/1.227, allocations: 27.86 kB / 1.632 GB, free: 15.84 MB / 1.323 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 0.02437/1.251, allocations: 15.39 MB / 1.647 GB, free: 276 kB / 1.323 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.326e-05/1.251, allocations: 8 kB / 1.647 GB, free: 268 kB / 1.323 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002202/1.253, allocations: 0.7379 MB / 1.647 GB, free: 15.52 MB / 1.339 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01035/1.264, allocations: 5.165 MB / 1.652 GB, free: 10.34 MB / 1.339 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006425/1.264, allocations: 79.94 kB / 1.652 GB, free: 10.27 MB / 1.339 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0264/1.291, allocations: 26.53 MB / 1.678 GB, free: 15.31 MB / 1.37 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.472e-06/1.291, allocations: 12.03 kB / 1.678 GB, free: 15.3 MB / 1.37 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 0.01538/1.306, allocations: 9.92 MB / 1.688 GB, free: 5.16 MB / 1.37 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001582/1.308, allocations: 0.6507 MB / 1.689 GB, free: 4.508 MB / 1.37 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003603/1.308, allocations: 56 kB / 1.689 GB, free: 4.453 MB / 1.37 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002056/1.31, allocations: 0.507 MB / 1.689 GB, free: 3.945 MB / 1.37 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009113/1.311, allocations: 242.2 kB / 1.689 GB, free: 3.707 MB / 1.37 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001757/1.311, allocations: 91.95 kB / 1.69 GB, free: 3.617 MB / 1.37 GB Notification: Performance of sorting global known variables: time 0.001192/1.312, allocations: 0.9972 MB / 1.691 GB, free: 2.617 MB / 1.37 GB Notification: Performance of sort global known variables: time 2.7e-07/1.312, allocations: 0 / 1.691 GB, free: 2.617 MB / 1.37 GB Notification: Performance of remove unused functions: time 0.00498/1.317, allocations: 1.855 MB / 1.692 GB, free: 0.7617 MB / 1.37 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} 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 0.0152/1.333, allocations: 10.57 MB / 1.703 GB, free: 5.973 MB / 1.385 GB Notification: Performance of simCode: created initialization part: time 0.6475/1.98, allocations: 12.01 MB / 1.714 GB, free: 335.5 MB / 1.385 GB Notification: Performance of simCode: created event and clocks part: time 1.181e-05/1.98, allocations: 3.062 kB / 1.714 GB, free: 335.5 MB / 1.385 GB Notification: Performance of simCode: created simulation system equations: time 0.008025/1.988, allocations: 4.242 MB / 1.719 GB, free: 335 MB / 1.385 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001887/1.99, allocations: 285.7 kB / 1.719 GB, free: 335 MB / 1.385 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. 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 simCode: created linear, non-linear and system jacobian parts: time 0.05891/2.049, allocations: 42.07 MB / 1.76 GB, free: 310.9 MB / 1.385 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002307/2.051, allocations: 2.291 MB / 1.762 GB, free: 308.6 MB / 1.385 GB Notification: Performance of simCode: alias equations: time 0.002767/2.054, allocations: 1.659 MB / 1.764 GB, free: 306.9 MB / 1.385 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00111/2.055, allocations: 1.233 MB / 1.765 GB, free: 305.7 MB / 1.385 GB Notification: Performance of SimCode: time 1.473e-06/2.055, allocations: 0 / 1.765 GB, free: 305.7 MB / 1.385 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1938/2.249, allocations: 104.3 MB / 1.867 GB, free: 202 MB / 1.385 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.42/12.67, allocations: 11.94 kB / 1.867 GB, free: 201.9 MB / 1.385 GB " [Timeout remaining time 287] (rm -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --stripRoot --tempDir=temp_Buildings_13_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu) > Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 52.5] OMSimulator failed or timed out simulating it; the others still get to run it (rm -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 ../Buildings_13_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu) > Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_fmpy.pipe 2>&1) [Timeout 52.5] fmpy timed out simulating the FMU [Calling sys.exit(0), Time elapsed: 17.939524725079536]