Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 0.00184/0.00184, allocations: 100.3 kB / 19.69 MB, free: 1.805 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 0.001918/0.001918, allocations: 210.5 kB / 22.99 MB, free: 4.605 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 1.518/1.518, allocations: 230.6 MB / 256.8 MB, free: 7.797 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.9697/0.9697, allocations: 149.9 MB / 463.1 MB, free: 10.3 MB / 366.1 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IBPSA 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 0.002224/0.002224, allocations: 66.5 kB / 0.6412 GB, free: 10.03 MB / 478.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1975/0.1997, allocations: 89.18 MB / 0.7283 GB, free: 0.918 MB / 0.545 GB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02604/0.2258, allocations: 17.82 MB / 0.7457 GB, free: 15.03 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.01338/0.2392, allocations: 6.719 MB / 0.7522 GB, free: 8.293 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001999/0.2412, allocations: 63.75 kB / 0.7523 GB, free: 8.23 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004589/0.2457, allocations: 1.489 MB / 0.7537 GB, free: 6.738 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.005408/0.2512, allocations: 1.44 MB / 0.7551 GB, free: 5.293 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.004215/0.2554, allocations: 1.267 MB / 0.7564 GB, free: 4.023 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.3867/0.6421, allocations: 5.434 MB / 0.7617 GB, free: 10.64 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004602/0.6467, allocations: 3.339 MB / 0.765 GB, free: 10.31 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004674/0.6513, allocations: 2.412 MB / 0.7673 GB, free: 10.17 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006284/0.6576, allocations: 2.996 MB / 0.7702 GB, free: 9.93 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.002844/0.6605, allocations: 0.5113 MB / 0.7707 GB, free: 9.93 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004962/0.6654, allocations: 1.196 MB / 0.7719 GB, free: 9.93 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.004813/0.6702, allocations: 2.293 MB / 0.7741 GB, free: 9.742 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.006314/0.6765, allocations: 1.775 MB / 0.7759 GB, free: 9.359 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.01413/0.6907, allocations: 7.795 MB / 0.7835 GB, free: 8.648 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 7.454e-06/0.6907, allocations: 1.219 kB / 0.7835 GB, free: 8.648 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.996e-06/0.6907, allocations: 1.469 kB / 0.7835 GB, free: 8.648 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0003183/0.691, allocations: 0 / 0.7835 GB, free: 8.648 MB / 0.5762 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 0.0144/0.7054, allocations: 3.803 MB / 0.7872 GB, free: 7.211 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.865e-05/0.7054, allocations: 10.38 kB / 0.7872 GB, free: 7.211 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002376/0.7078, allocations: 0.5338 MB / 0.7877 GB, free: 7.152 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0139/0.7217, allocations: 2.434 MB / 0.7901 GB, free: 6.922 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008176/0.7299, allocations: 2.165 MB / 0.7922 GB, free: 6.297 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003714/0.7303, allocations: 266.8 kB / 0.7925 GB, free: 6.289 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002379/0.7326, allocations: 340.6 kB / 0.7928 GB, free: 6.289 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02027/0.7529, allocations: 7.206 MB / 0.7998 GB, free: 2.434 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001434/0.7531, allocations: 5.562 kB / 0.7998 GB, free: 2.434 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001262/0.7543, allocations: 145 kB / 0.8 GB, free: 2.332 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005229/0.7549, allocations: 337 kB / 0.8003 GB, free: 2.234 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01738/0.7722, allocations: 7.022 MB / 0.8072 GB, free: 14.71 MB / 0.5919 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04174/0.814, allocations: 18.42 MB / 0.8252 GB, free: 0.6445 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009611/0.8236, allocations: 3.727 MB / 0.8288 GB, free: 12.93 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006824/0.8304, allocations: 2.527 MB / 0.8313 GB, free: 10.39 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003445/0.8307, allocations: 45.97 kB / 0.8313 GB, free: 10.35 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.359e-05/0.8308, allocations: 63.19 kB / 0.8314 GB, free: 10.28 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=208): time 7.634e-06/0.8308, allocations: 6.609 kB / 0.8314 GB, free: 10.27 MB / 0.6075 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 0.1177/0.9485, allocations: 30.75 MB / 0.8614 GB, free: 11.75 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001539/0.9487, allocations: 246.8 kB / 0.8616 GB, free: 11.47 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002876/0.9516, allocations: 1.478 MB / 0.8631 GB, free: 9.98 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 0.0006208/0.9522, allocations: 73.7 kB / 0.8631 GB, free: 9.902 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.001286/0.9535, allocations: 1.535 MB / 0.8646 GB, free: 8.363 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.001457/0.9549, allocations: 0.9602 MB / 0.8656 GB, free: 7.414 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001774/0.9567, allocations: 0.636 MB / 0.8662 GB, free: 6.77 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001362/0.9568, allocations: 301.1 kB / 0.8665 GB, free: 6.473 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00651/0.9634, allocations: 2.698 MB / 0.8691 GB, free: 3.766 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007541/0.9709, allocations: 3.646 MB / 0.8727 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01423/0.9851, allocations: 6.4 MB / 0.8789 GB, free: 9.043 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.061e-05/0.9852, allocations: 8.656 kB / 0.8789 GB, free: 9.035 MB / 0.6544 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 0.03239/1.018, allocations: 10.78 MB / 0.8895 GB, free: 14.43 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 4.665e-05/1.018, allocations: 16 kB / 0.8895 GB, free: 14.41 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.364e-05/1.018, allocations: 28 kB / 0.8895 GB, free: 14.39 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02124/1.039, allocations: 5.551 MB / 0.8949 GB, free: 8.82 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005038/1.044, allocations: 0.9957 MB / 0.8959 GB, free: 7.863 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06522/1.109, allocations: 27.47 MB / 0.9227 GB, free: 12.12 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005579/1.115, allocations: 0.5733 MB / 0.9233 GB, free: 11.54 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00102/1.116, allocations: 152 kB / 0.9234 GB, free: 11.39 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01029/1.126, allocations: 3.984 MB / 0.9273 GB, free: 7.402 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007962/1.134, allocations: 3.609 MB / 0.9308 GB, free: 3.414 MB / 0.7012 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09624/1.23, allocations: 24.49 MB / 0.9548 GB, free: 10.56 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.897e-05/1.23, allocations: 8 kB / 0.9548 GB, free: 10.55 MB / 0.7325 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 0.0299/1.26, allocations: 10.17 MB / 0.9647 GB, free: 412 kB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.772e-05/1.26, allocations: 17.22 kB / 0.9647 GB, free: 396 kB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.06e-05/1.26, allocations: 28 kB / 0.9647 GB, free: 368 kB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01639/1.277, allocations: 4.32 MB / 0.969 GB, free: 12.02 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005253/1.282, allocations: 1.057 MB / 0.97 GB, free: 10.96 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04253/1.324, allocations: 26.26 MB / 0.9956 GB, free: 156 kB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00545/1.33, allocations: 0.5615 MB / 0.9962 GB, free: 15.59 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00115/1.331, allocations: 151.9 kB / 0.9963 GB, free: 15.44 MB / 0.7794 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 0.001947/1.333, allocations: 399.3 kB / 0.9967 GB, free: 15.04 MB / 0.7794 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00122/1.334, allocations: 206.8 kB / 0.9969 GB, free: 14.84 MB / 0.7794 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 0.03226/1.366, allocations: 9.925 MB / 1.007 GB, free: 4.879 MB / 0.7794 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.492e-05/1.367, allocations: 28 kB / 1.007 GB, free: 4.852 MB / 0.7794 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.735e-05/1.367, allocations: 12 kB / 1.007 GB, free: 4.84 MB / 0.7794 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.356e-05/1.367, allocations: 19.95 kB / 1.007 GB, free: 4.82 MB / 0.7794 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 0.04374/1.41, allocations: 15.4 MB / 1.022 GB, free: 5.305 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.311e-05/1.41, allocations: 11.94 kB / 1.022 GB, free: 5.293 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00383/1.414, allocations: 0.7341 MB / 1.022 GB, free: 4.559 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02015/1.434, allocations: 5.176 MB / 1.027 GB, free: 15.37 MB / 0.8106 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007915/1.435, allocations: 75.95 kB / 1.028 GB, free: 15.3 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06145/1.497, allocations: 26.51 MB / 1.053 GB, free: 4.371 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.692e-05/1.497, allocations: 12.03 kB / 1.053 GB, free: 4.359 MB / 0.8262 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 0.04126/1.538, allocations: 9.904 MB / 1.063 GB, free: 10.25 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003463/1.541, allocations: 0.6584 MB / 1.064 GB, free: 9.594 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001333/1.543, allocations: 56 kB / 1.064 GB, free: 9.539 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00579/1.548, allocations: 0.5031 MB / 1.064 GB, free: 9.035 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001561/1.55, allocations: 246.2 kB / 1.065 GB, free: 8.797 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007745/1.551, allocations: 91.95 kB / 1.065 GB, free: 8.707 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.003409/1.554, allocations: 0.9723 MB / 1.066 GB, free: 7.73 MB / 0.8419 GB Notification: Performance of sort global known variables: time 9e-08/1.554, allocations: 0 / 1.066 GB, free: 7.73 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.01202/1.566, allocations: 1.844 MB / 1.067 GB, free: 5.887 MB / 0.8419 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 0.03568/1.602, allocations: 10.56 MB / 1.078 GB, free: 11.1 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.383/1.985, allocations: 12.03 MB / 1.089 GB, free: 299.7 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 1.543e-05/1.985, allocations: 1.656 kB / 1.089 GB, free: 299.7 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.01045/1.995, allocations: 4.235 MB / 1.094 GB, free: 299.3 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002275/1.998, allocations: 263.5 kB / 1.094 GB, free: 299.3 MB / 0.8575 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 0.1064/2.104, allocations: 41.87 MB / 1.135 GB, free: 288.3 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004133/2.108, allocations: 2.277 MB / 1.137 GB, free: 287.1 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 0.00456/2.113, allocations: 1.657 MB / 1.139 GB, free: 286.4 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00189/2.115, allocations: 1.208 MB / 1.14 GB, free: 285.3 MB / 0.8575 GB Notification: Performance of SimCode: time 1.072e-06/2.115, allocations: 3.938 kB / 1.14 GB, free: 285.3 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1485/2.263, allocations: 103.3 MB / 1.241 GB, free: 184.9 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.11/18.37, allocations: 2.969 kB / 1.241 GB, free: 184.9 MB / 0.8575 GB " [Timeout remaining time 641] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.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 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 22.54597601806745] Failed to read output from testmodel.py, exit status != 0: 18.538004651200026 18.556486309 17.861675593 Calling exit ...