Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 0.001354/0.001354, allocations: 103.6 kB / 18.95 MB, free: 2.688 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 0.001654/0.001654, allocations: 215.8 kB / 22.24 MB, free: 5.246 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 1.452/1.452, 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/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002601/0.002601, allocations: 283.2 kB / 312.7 MB, free: 2.672 MB / 238.1 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.306/1.306, allocations: 180.6 MB / 0.5369 GB, free: 14.43 MB / 382.1 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: NcDataReader2 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: BuildingSystems 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 0.003067/0.003067, allocations: 108.3 kB / 0.7396 GB, free: 28.18 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1697/0.1728, allocations: 95.39 MB / 0.8327 GB, free: 8.363 MB / 0.5762 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02482/0.1976, allocations: 17.84 MB / 0.8502 GB, free: 6.453 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.01359/0.2112, allocations: 6.72 MB / 0.8567 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002032/0.2132, allocations: 63.75 kB / 0.8568 GB, free: 15.65 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.004619/0.2179, allocations: 1.479 MB / 0.8582 GB, free: 14.17 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.004366/0.2222, allocations: 1.447 MB / 0.8596 GB, free: 12.71 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.003673/0.2259, allocations: 1.265 MB / 0.8609 GB, free: 11.45 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.00663/0.2325, allocations: 5.445 MB / 0.8662 GB, free: 5.992 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005789/0.2383, allocations: 3.342 MB / 0.8695 GB, free: 2.551 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004087/0.2424, allocations: 2.411 MB / 0.8718 GB, free: 136 kB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005344/0.2478, allocations: 2.995 MB / 0.8747 GB, free: 13.13 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.001366/0.2491, allocations: 0.5117 MB / 0.8752 GB, free: 12.62 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003509/0.2526, allocations: 1.198 MB / 0.8764 GB, free: 11.42 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.004074/0.2567, allocations: 2.296 MB / 0.8787 GB, free: 9.117 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.005427/0.2621, allocations: 1.782 MB / 0.8804 GB, free: 7.328 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.01092/0.273, allocations: 7.788 MB / 0.888 GB, free: 15.51 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 6.232e-06/0.2731, allocations: 0 / 0.888 GB, free: 15.51 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.174e-06/0.2731, allocations: 0 / 0.888 GB, free: 15.51 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 0.0001746/0.2732, allocations: 0 / 0.888 GB, free: 15.51 MB / 0.6387 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 0.007953/0.2812, allocations: 3.8 MB / 0.8917 GB, free: 11.67 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.695e-05/0.2812, allocations: 9.344 kB / 0.8917 GB, free: 11.66 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007645/0.282, allocations: 0.5384 MB / 0.8922 GB, free: 11.11 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01316/0.2952, allocations: 2.436 MB / 0.8946 GB, free: 8.672 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006451/0.3016, allocations: 2.154 MB / 0.8967 GB, free: 6.488 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003005/0.3019, allocations: 267.2 kB / 0.897 GB, free: 6.227 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001384/0.3033, allocations: 344 kB / 0.8973 GB, free: 5.891 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01478/0.3181, allocations: 7.201 MB / 0.9043 GB, free: 14.57 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.618e-05/0.3182, allocations: 11.92 kB / 0.9044 GB, free: 14.56 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004357/0.3186, allocations: 144 kB / 0.9045 GB, free: 14.42 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004984/0.3191, allocations: 334 kB / 0.9048 GB, free: 14.09 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01616/0.3353, allocations: 7.02 MB / 0.9117 GB, free: 7.059 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03048/0.3657, allocations: 18.44 MB / 0.9297 GB, free: 4.035 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008017/0.3738, allocations: 3.718 MB / 0.9333 GB, free: 288 kB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006193/0.38, allocations: 2.53 MB / 0.9358 GB, free: 13.73 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001932/0.3801, allocations: 41.97 kB / 0.9358 GB, free: 13.7 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.979e-05/0.3802, allocations: 64.5 kB / 0.9359 GB, free: 13.62 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.669e-06/0.3802, allocations: 0 / 0.9359 GB, free: 13.62 MB / 0.6856 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 0.1115/0.4917, allocations: 30.74 MB / 0.9659 GB, free: 14.89 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001562/0.4918, allocations: 235.6 kB / 0.9661 GB, free: 14.61 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002526/0.4944, allocations: 1.485 MB / 0.9676 GB, free: 13.11 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0004965/0.4949, allocations: 69.7 kB / 0.9676 GB, free: 13.04 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.00134/0.4962, allocations: 1.534 MB / 0.9691 GB, free: 11.49 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.001354/0.4976, allocations: 0.9644 MB / 0.9701 GB, free: 10.52 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001606/0.4992, allocations: 0.6398 MB / 0.9707 GB, free: 9.867 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001434/0.4993, allocations: 305.1 kB / 0.971 GB, free: 9.566 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006502/0.5058, allocations: 2.69 MB / 0.9736 GB, free: 6.867 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007285/0.5131, allocations: 3.654 MB / 0.9772 GB, free: 2.82 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.3512/0.8643, allocations: 6.406 MB / 0.9835 GB, free: 130.4 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.146e-05/0.8643, allocations: 10 kB / 0.9835 GB, free: 130.4 MB / 0.7169 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 0.02883/0.8932, allocations: 10.75 MB / 0.994 GB, free: 127.6 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.833e-05/0.8932, allocations: 16.38 kB / 0.994 GB, free: 127.6 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.963e-05/0.8933, allocations: 34.09 kB / 0.994 GB, free: 127.6 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01841/0.9117, allocations: 5.552 MB / 0.9994 GB, free: 126.9 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004209/0.9159, allocations: 0.9966 MB / 1 GB, free: 126.8 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03544/0.9513, allocations: 27.46 MB / 1.027 GB, free: 105.4 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004339/0.9557, allocations: 0.5812 MB / 1.028 GB, free: 104.9 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005674/0.9562, allocations: 152 kB / 1.028 GB, free: 104.7 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006987/0.9632, allocations: 3.984 MB / 1.032 GB, free: 100.7 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005566/0.9688, allocations: 3.611 MB / 1.035 GB, free: 96.72 MB / 0.7169 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08039/1.049, allocations: 24.48 MB / 1.059 GB, free: 71.8 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.08e-05/1.049, allocations: 7.047 kB / 1.059 GB, free: 71.8 MB / 0.7169 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 0.02387/1.073, allocations: 10.17 MB / 1.069 GB, free: 61.62 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 2.761e-05/1.073, allocations: 16.94 kB / 1.069 GB, free: 61.61 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.437e-05/1.073, allocations: 28.06 kB / 1.069 GB, free: 61.58 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01387/1.087, allocations: 4.318 MB / 1.073 GB, free: 57.24 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004329/1.091, allocations: 1.044 MB / 1.074 GB, free: 56.2 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02875/1.12, allocations: 26.28 MB / 1.1 GB, free: 29.38 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004256/1.124, allocations: 0.5538 MB / 1.101 GB, free: 28.82 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005292/1.125, allocations: 151.9 kB / 1.101 GB, free: 28.67 MB / 0.7169 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 0.001081/1.126, allocations: 408.3 kB / 1.101 GB, free: 28.29 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006876/1.127, allocations: 206.7 kB / 1.101 GB, free: 28.08 MB / 0.7169 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 0.02378/1.15, allocations: 9.925 MB / 1.111 GB, free: 18.12 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.869e-05/1.15, allocations: 28 kB / 1.111 GB, free: 18.1 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.706e-05/1.15, allocations: 12 kB / 1.111 GB, free: 18.09 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.19e-05/1.151, allocations: 19.94 kB / 1.111 GB, free: 18.07 MB / 0.7169 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 0.03315/1.184, allocations: 15.38 MB / 1.126 GB, free: 2.578 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.05e-05/1.184, allocations: 8 kB / 1.126 GB, free: 2.57 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00312/1.187, allocations: 0.7336 MB / 1.127 GB, free: 1.836 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01843/1.205, allocations: 5.184 MB / 1.132 GB, free: 12.64 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005143/1.206, allocations: 79.89 kB / 1.132 GB, free: 12.56 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04459/1.25, allocations: 26.51 MB / 1.158 GB, free: 1.648 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.411e-05/1.25, allocations: 16.03 kB / 1.158 GB, free: 1.633 MB / 0.7481 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 0.02841/1.279, allocations: 9.894 MB / 1.168 GB, free: 7.535 MB / 0.7637 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002677/1.281, allocations: 0.6534 MB / 1.168 GB, free: 6.883 MB / 0.7637 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008928/1.282, allocations: 59.98 kB / 1.168 GB, free: 6.824 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003985/1.286, allocations: 0.507 MB / 1.169 GB, free: 6.316 MB / 0.7637 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008424/1.287, allocations: 238.2 kB / 1.169 GB, free: 6.082 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003228/1.288, allocations: 91.95 kB / 1.169 GB, free: 5.992 MB / 0.7637 GB Notification: Performance of sorting global known variables: time 0.001708/1.289, allocations: 0.9762 MB / 1.17 GB, free: 5.012 MB / 0.7637 GB Notification: Performance of sort global known variables: time 1e-07/1.289, allocations: 0 / 1.17 GB, free: 5.012 MB / 0.7637 GB Notification: Performance of remove unused functions: time 0.006535/1.296, allocations: 1.846 MB / 1.172 GB, free: 3.168 MB / 0.7637 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 0.02858/1.324, allocations: 10.57 MB / 1.182 GB, free: 8.383 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.03196/1.356, allocations: 12.03 MB / 1.194 GB, free: 12.25 MB / 0.795 GB Notification: Performance of simCode: created event and clocks part: time 1.464e-05/1.356, allocations: 8.25 kB / 1.194 GB, free: 12.24 MB / 0.795 GB Notification: Performance of simCode: created simulation system equations: time 0.01153/1.368, allocations: 4.237 MB / 1.198 GB, free: 7.969 MB / 0.795 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002586/1.37, allocations: 269.7 kB / 1.198 GB, free: 7.719 MB / 0.795 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 0.1071/1.477, allocations: 41.88 MB / 1.239 GB, free: 12.62 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004188/1.482, allocations: 2.275 MB / 1.241 GB, free: 10.31 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.004999/1.487, allocations: 1.653 MB / 1.243 GB, free: 8.652 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002106/1.489, allocations: 1.206 MB / 1.244 GB, free: 7.445 MB / 0.8419 GB Notification: Performance of SimCode: time 1.242e-06/1.489, allocations: 0 / 1.244 GB, free: 7.445 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5282/2.017, allocations: 103.4 MB / 1.345 GB, free: 322.4 MB / 0.92 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.95/17.96, allocations: 7.562 kB / 1.345 GB, free: 322.4 MB / 0.92 GB " [Timeout remaining time 642] (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 22.303250414784998] Failed to read output from testmodel.py, exit status != 0: 18.13134301174432 18.148467717 17.872041752 Calling exit ...