Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001895/0.001895, allocations: 102.7 kB / 16.45 MB, free: 6.445 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002131/0.002131, allocations: 188.6 kB / 19.4 MB, free: 3.66 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 225.6 MB / 247.8 MB, free: 3.75 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.728/2.728, allocations: 497.2 MB / 0.7812 GB, free: 12 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_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_latest_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 0.001897/0.001897, allocations: 60.09 kB / 1.134 GB, free: 13.06 MB / 0.92 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8745/0.8764, allocations: 173.9 MB / 1.304 GB, free: 32.18 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01585/0.8922, allocations: 18.6 MB / 1.322 GB, free: 19.81 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.008777/0.901, allocations: 6.953 MB / 1.329 GB, free: 15.08 MB / 1.061 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001313/0.9023, allocations: 54.19 kB / 1.329 GB, free: 15.07 MB / 1.061 GB Notification: Performance of NFTyping.typeComponents: time 0.003318/0.9056, allocations: 1.488 MB / 1.331 GB, free: 14.23 MB / 1.061 GB Notification: Performance of NFTyping.typeBindings: time 0.003312/0.9089, allocations: 1.467 MB / 1.332 GB, free: 13.4 MB / 1.061 GB Notification: Performance of NFTyping.typeClassSections: time 0.002931/0.9119, allocations: 1.279 MB / 1.333 GB, free: 12.71 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.007102/0.919, allocations: 5.469 MB / 1.339 GB, free: 10.4 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006788/0.9258, allocations: 5.183 MB / 1.344 GB, free: 8.387 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004529/0.9303, allocations: 2.383 MB / 1.346 GB, free: 7.312 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005233/0.9355, allocations: 3.174 MB / 1.349 GB, free: 6.062 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.00159/0.9371, allocations: 0.5139 MB / 1.35 GB, free: 6.062 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00415/0.9413, allocations: 1.295 MB / 1.351 GB, free: 5.785 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.004701/0.946, allocations: 2.308 MB / 1.353 GB, free: 4.859 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.005448/0.9514, allocations: 2.188 MB / 1.355 GB, free: 3.445 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.01173/0.9632, allocations: 7.8 MB / 1.363 GB, free: 1.02 MB / 1.061 GB Notification: Performance of FrontEnd - DAE generated: time 4.859e-06/0.9632, allocations: 0 / 1.363 GB, free: 1.02 MB / 1.061 GB Notification: Performance of FrontEnd: time 1.774e-06/0.9632, allocations: 0 / 1.363 GB, free: 1.02 MB / 1.061 GB Notification: Performance of Transformations before backend: time 0.0002452/0.9634, allocations: 0 / 1.363 GB, free: 1.02 MB / 1.061 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 0.01415/0.9776, allocations: 3.911 MB / 1.367 GB, free: 14.81 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 4.797e-05/0.9776, allocations: 9.094 kB / 1.367 GB, free: 14.81 MB / 1.076 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002243/0.9798, allocations: 0.5443 MB / 1.367 GB, free: 14.52 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01424/0.9941, allocations: 2.434 MB / 1.37 GB, free: 14.24 MB / 1.076 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007395/1.001, allocations: 2.196 MB / 1.372 GB, free: 13.12 MB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003673/1.002, allocations: 269.8 kB / 1.372 GB, free: 13 MB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001999/1.004, allocations: 346.6 kB / 1.372 GB, free: 12.88 MB / 1.076 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02334/1.027, allocations: 7.158 MB / 1.379 GB, free: 10.47 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001341/1.027, allocations: 6.25 kB / 1.379 GB, free: 10.46 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001221/1.029, allocations: 152.7 kB / 1.379 GB, free: 10.35 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005524/1.029, allocations: 334.8 kB / 1.38 GB, free: 10.31 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01875/1.048, allocations: 7.051 MB / 1.387 GB, free: 8.125 MB / 1.076 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04902/1.097, allocations: 26.54 MB / 1.413 GB, free: 1.16 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009538/1.106, allocations: 4.867 MB / 1.417 GB, free: 13.79 MB / 1.107 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006496/1.113, allocations: 2.534 MB / 1.42 GB, free: 12.49 MB / 1.107 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003655/1.113, allocations: 136 kB / 1.42 GB, free: 12.37 MB / 1.107 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.777e-05/1.113, allocations: 58.62 kB / 1.42 GB, free: 12.31 MB / 1.107 GB Notification: Performance of pre-optimization done (n=208): time 5.731e-06/1.113, allocations: 0 / 1.42 GB, free: 12.31 MB / 1.107 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.1123/1.226, allocations: 31.1 MB / 1.45 GB, free: 15.37 MB / 1.139 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001641/1.226, allocations: 243.6 kB / 1.451 GB, free: 15.08 MB / 1.139 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002865/1.229, allocations: 1.469 MB / 1.452 GB, free: 13.6 MB / 1.139 GB Notification: Performance of collectPreVariables (initialization): time 0.0006125/1.229, allocations: 69.7 kB / 1.452 GB, free: 13.53 MB / 1.139 GB Notification: Performance of collectInitialEqns (initialization): time 0.001329/1.231, allocations: 1.557 MB / 1.454 GB, free: 11.95 MB / 1.139 GB Notification: Performance of collectInitialBindings (initialization): time 0.001471/1.232, allocations: 0.9566 MB / 1.455 GB, free: 10.99 MB / 1.139 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001915/1.234, allocations: 0.6359 MB / 1.455 GB, free: 10.34 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001361/1.234, allocations: 305.1 kB / 1.455 GB, free: 10.04 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006574/1.241, allocations: 2.686 MB / 1.458 GB, free: 7.348 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007719/1.248, allocations: 3.567 MB / 1.462 GB, free: 3.402 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01391/1.262, allocations: 6.406 MB / 1.468 GB, free: 12.6 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.857e-05/1.262, allocations: 8 kB / 1.468 GB, free: 12.59 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=410) (initialization): time 0.03071/1.293, allocations: 10.92 MB / 1.478 GB, free: 1.562 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.834e-05/1.293, allocations: 19.94 kB / 1.478 GB, free: 1.543 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.97e-05/1.293, allocations: 28 kB / 1.479 GB, free: 1.516 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02103/1.314, allocations: 5.56 MB / 1.484 GB, free: 11.94 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004645/1.319, allocations: 0.9906 MB / 1.485 GB, free: 10.95 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04908/1.368, allocations: 28.2 MB / 1.512 GB, free: 14.29 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004816/1.373, allocations: 0.5732 MB / 1.513 GB, free: 13.71 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008014/1.374, allocations: 159.9 kB / 1.513 GB, free: 13.56 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01025/1.384, allocations: 3.984 MB / 1.517 GB, free: 9.566 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00797/1.392, allocations: 3.532 MB / 1.521 GB, free: 5.656 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09425/1.486, allocations: 24.61 MB / 1.545 GB, free: 12.53 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.759e-05/1.486, allocations: 8 kB / 1.545 GB, free: 12.52 MB / 1.232 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 0.02892/1.515, allocations: 10.46 MB / 1.555 GB, free: 1.922 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 4.687e-05/1.515, allocations: 22.06 kB / 1.555 GB, free: 1.902 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.946e-05/1.515, allocations: 35.92 kB / 1.555 GB, free: 1.867 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01663/1.532, allocations: 4.325 MB / 1.559 GB, free: 13.52 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004977/1.537, allocations: 1.041 MB / 1.56 GB, free: 12.48 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04183/1.579, allocations: 27.16 MB / 1.587 GB, free: 0.5859 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004804/1.583, allocations: 0.5615 MB / 1.587 GB, free: 24 kB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00082/1.584, allocations: 147.9 kB / 1.587 GB, free: 15.88 MB / 1.279 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 0.001481/1.586, allocations: 403.2 kB / 1.588 GB, free: 15.48 MB / 1.279 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009426/1.587, allocations: 206.7 kB / 1.588 GB, free: 15.27 MB / 1.279 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 0.0293/1.616, allocations: 10.08 MB / 1.598 GB, free: 5.121 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.403e-05/1.616, allocations: 32 kB / 1.598 GB, free: 5.09 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.763e-05/1.616, allocations: 15.94 kB / 1.598 GB, free: 5.074 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.615e-05/1.616, allocations: 19.94 kB / 1.598 GB, free: 5.055 MB / 1.279 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 0.04121/1.657, allocations: 16.23 MB / 1.614 GB, free: 4.574 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.368e-05/1.657, allocations: 12.19 kB / 1.614 GB, free: 4.562 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003536/1.661, allocations: 0.7332 MB / 1.614 GB, free: 3.828 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01939/1.68, allocations: 5.173 MB / 1.619 GB, free: 14.64 MB / 1.311 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006795/1.681, allocations: 75.95 kB / 1.619 GB, free: 14.56 MB / 1.311 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04493/1.726, allocations: 27.23 MB / 1.646 GB, free: 2.832 MB / 1.326 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.356e-05/1.726, allocations: 12.03 kB / 1.646 GB, free: 2.82 MB / 1.326 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 0.02756/1.753, allocations: 10.06 MB / 1.656 GB, free: 8.516 MB / 1.342 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002522/1.756, allocations: 0.7416 MB / 1.657 GB, free: 7.754 MB / 1.342 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008563/1.757, allocations: 56 kB / 1.657 GB, free: 7.699 MB / 1.342 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003917/1.761, allocations: 0.5031 MB / 1.657 GB, free: 7.195 MB / 1.342 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009267/1.762, allocations: 226.4 kB / 1.657 GB, free: 6.969 MB / 1.342 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003975/1.762, allocations: 95.89 kB / 1.657 GB, free: 6.875 MB / 1.342 GB Notification: Performance of sorting global known variables: time 0.002033/1.764, allocations: 1.001 MB / 1.658 GB, free: 5.871 MB / 1.342 GB Notification: Performance of sort global known variables: time 1.11e-07/1.764, allocations: 0 / 1.658 GB, free: 5.871 MB / 1.342 GB Notification: Performance of remove unused functions: time 0.00768/1.772, allocations: 1.855 MB / 1.66 GB, free: 4.016 MB / 1.342 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} 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 0.0277/1.799, allocations: 10.72 MB / 1.671 GB, free: 9.035 MB / 1.357 GB Notification: Performance of simCode: created initialization part: time 0.03111/1.831, allocations: 12.03 MB / 1.682 GB, free: 12.9 MB / 1.373 GB Notification: Performance of simCode: created event and clocks part: time 1.492e-05/1.831, allocations: 4 kB / 1.682 GB, free: 12.9 MB / 1.373 GB Notification: Performance of simCode: created simulation system equations: time 0.0114/1.842, allocations: 4.246 MB / 1.687 GB, free: 8.605 MB / 1.373 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003122/1.845, allocations: 283 kB / 1.687 GB, free: 8.336 MB / 1.373 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 0.1096/1.955, allocations: 42.29 MB / 1.728 GB, free: 12.73 MB / 1.42 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005454/1.96, allocations: 2.857 MB / 1.731 GB, free: 9.84 MB / 1.42 GB Notification: Performance of simCode: alias equations: time 0.005727/1.966, allocations: 1.653 MB / 1.733 GB, free: 8.184 MB / 1.42 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002482/1.968, allocations: 1.226 MB / 1.734 GB, free: 6.957 MB / 1.42 GB Notification: Performance of SimCode: time 1.502e-06/1.968, allocations: 0 / 1.734 GB, free: 6.957 MB / 1.42 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1882/2.157, allocations: 104.2 MB / 1.836 GB, free: 15.12 MB / 1.529 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.62/18.78, allocations: 6.094 kB / 1.836 GB, free: 15.12 MB / 1.529 GB " [Timeout remaining time 281] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 24.787104515358806] Failed to read output from testmodel.py, exit status != 0: 18.923829326871783 18.945290996 17.97882697 Calling exit ...