Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001492/0.001492, allocations: 103.7 kB / 15.98 MB, free: 6.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001699/0.001699, allocations: 202.3 kB / 16.91 MB, free: 6.188 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.417/1.417, allocations: 222.9 MB / 240.6 MB, free: 15.45 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7678/0.7678, allocations: 122.9 MB / 413.6 MB, free: 8 kB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001971/0.001971, allocations: 59.91 kB / 0.4907 GB, free: 7.746 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4362/0.4382, allocations: 77.93 MB / 0.5668 GB, free: 32.6 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01955/0.4578, allocations: 18.13 MB / 0.5845 GB, free: 20.55 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0104/0.4682, allocations: 6.818 MB / 0.5911 GB, free: 15.23 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001724/0.47, allocations: 45.75 kB / 0.5912 GB, free: 15.23 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003544/0.4735, allocations: 1.363 MB / 0.5925 GB, free: 14.19 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003423/0.477, allocations: 1.332 MB / 0.5938 GB, free: 13.16 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002968/0.4799, allocations: 1.169 MB / 0.5949 GB, free: 12.28 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.005788/0.4858, allocations: 5.488 MB / 0.6003 GB, free: 8.52 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01011/0.4959, allocations: 8.534 MB / 0.6086 GB, free: 15.95 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003838/0.4998, allocations: 2.38 MB / 0.611 GB, free: 13.55 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004782/0.5046, allocations: 3.152 MB / 0.614 GB, free: 10.39 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0009838/0.5056, allocations: 0.5156 MB / 0.6145 GB, free: 9.879 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002556/0.5081, allocations: 1.272 MB / 0.6158 GB, free: 8.605 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002225/0.5104, allocations: 2.242 MB / 0.618 GB, free: 6.359 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002619/0.513, allocations: 2.187 MB / 0.6201 GB, free: 4.164 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007667/0.5207, allocations: 7.795 MB / 0.6277 GB, free: 12.35 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.375e-06/0.5207, allocations: 7.984 kB / 0.6277 GB, free: 12.34 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.964e-06/0.5207, allocations: 0 / 0.6277 GB, free: 12.34 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0001685/0.5209, allocations: 0 / 0.6277 GB, free: 12.34 MB / 478.1 MB 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 0.008145/0.529, allocations: 3.823 MB / 0.6315 GB, free: 8.457 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.699e-05/0.5291, allocations: 8.625 kB / 0.6315 GB, free: 8.449 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01313/0.5422, allocations: 2.407 MB / 0.6338 GB, free: 6.035 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004631/0.5469, allocations: 2.174 MB / 0.6359 GB, free: 3.816 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001999/0.5471, allocations: 263.5 kB / 0.6362 GB, free: 3.559 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000914/0.548, allocations: 355.9 kB / 0.6365 GB, free: 3.211 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0153/0.5633, allocations: 7.151 MB / 0.6435 GB, free: 11.96 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.074e-05/0.5635, allocations: 4 kB / 0.6435 GB, free: 11.96 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004544/0.5639, allocations: 148 kB / 0.6437 GB, free: 11.81 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004485/0.5644, allocations: 338.1 kB / 0.644 GB, free: 11.48 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01591/0.5803, allocations: 7.047 MB / 0.6509 GB, free: 4.418 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03321/0.6135, allocations: 26.69 MB / 0.6769 GB, free: 7.555 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008108/0.6217, allocations: 4.984 MB / 0.6818 GB, free: 2.266 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005837/0.6276, allocations: 2.6 MB / 0.6843 GB, free: 15.65 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002569/0.6278, allocations: 131 kB / 0.6845 GB, free: 15.5 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.285e-05/0.6279, allocations: 64.44 kB / 0.6845 GB, free: 15.43 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 4.298e-06/0.6279, allocations: 0 / 0.6845 GB, free: 15.43 MB / 0.5294 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 0.1056/0.7335, allocations: 30.95 MB / 0.7148 GB, free: 388 kB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001375/0.7337, allocations: 239.6 kB / 0.715 GB, free: 100 kB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002337/0.736, allocations: 1.469 MB / 0.7164 GB, free: 14.62 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005942/0.7366, allocations: 65.7 kB / 0.7165 GB, free: 14.55 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001111/0.7377, allocations: 1.501 MB / 0.7179 GB, free: 13.03 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001125/0.7389, allocations: 0.9242 MB / 0.7188 GB, free: 12.09 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001236/0.7401, allocations: 0.6396 MB / 0.7195 GB, free: 11.44 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001222/0.7402, allocations: 305.1 kB / 0.7198 GB, free: 11.14 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005988/0.7462, allocations: 2.69 MB / 0.7224 GB, free: 8.441 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007034/0.7533, allocations: 3.567 MB / 0.7259 GB, free: 4.5 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01317/0.7665, allocations: 6.402 MB / 0.7321 GB, free: 13.7 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.623e-05/0.7665, allocations: 8 kB / 0.7321 GB, free: 13.69 MB / 0.5762 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 0.02849/0.795, allocations: 10.98 MB / 0.7429 GB, free: 2.609 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.149e-05/0.7951, allocations: 16 kB / 0.7429 GB, free: 2.594 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.832e-05/0.7952, allocations: 24 kB / 0.7429 GB, free: 2.57 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3176/1.113, allocations: 5.571 MB / 0.7483 GB, free: 152.9 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004925/1.118, allocations: 1 MB / 0.7493 GB, free: 152.9 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04056/1.158, allocations: 28.19 MB / 0.7768 GB, free: 138.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00445/1.163, allocations: 0.5713 MB / 0.7774 GB, free: 138.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004363/1.163, allocations: 153.4 kB / 0.7776 GB, free: 138.8 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007173/1.17, allocations: 3.978 MB / 0.7814 GB, free: 137 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005539/1.176, allocations: 3.531 MB / 0.7849 GB, free: 134.6 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07888/1.255, allocations: 24.66 MB / 0.809 GB, free: 111.4 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.917e-05/1.255, allocations: 8 kB / 0.809 GB, free: 111.4 MB / 0.5762 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 0.02176/1.277, allocations: 10.53 MB / 0.8193 GB, free: 100.8 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.806e-05/1.277, allocations: 22.19 kB / 0.8193 GB, free: 100.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.431e-05/1.277, allocations: 24 kB / 0.8193 GB, free: 100.8 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01326/1.29, allocations: 4.339 MB / 0.8235 GB, free: 96.43 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004295/1.294, allocations: 1.041 MB / 0.8246 GB, free: 95.39 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02709/1.322, allocations: 27.16 MB / 0.8511 GB, free: 67.57 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004435/1.326, allocations: 0.558 MB / 0.8516 GB, free: 67.02 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003724/1.326, allocations: 151.9 kB / 0.8518 GB, free: 66.87 MB / 0.5762 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.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[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 0.0009381/1.327, allocations: 392.6 kB / 0.8521 GB, free: 66.49 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005121/1.328, allocations: 197.7 kB / 0.8523 GB, free: 66.3 MB / 0.5762 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 0.02329/1.351, allocations: 10.17 MB / 0.8623 GB, free: 56.05 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.451e-05/1.351, allocations: 28 kB / 0.8623 GB, free: 56.02 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.611e-05/1.351, allocations: 17.08 kB / 0.8623 GB, free: 56.01 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.839e-05/1.351, allocations: 11.95 kB / 0.8623 GB, free: 56 MB / 0.5762 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 0.0306/1.382, allocations: 16.35 MB / 0.8783 GB, free: 39.48 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.704e-05/1.382, allocations: 11.94 kB / 0.8783 GB, free: 39.47 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00313/1.385, allocations: 0.7381 MB / 0.879 GB, free: 38.73 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0166/1.402, allocations: 5.2 MB / 0.8841 GB, free: 33.51 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000597/1.402, allocations: 71.95 kB / 0.8842 GB, free: 33.44 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03177/1.434, allocations: 27.23 MB / 0.9107 GB, free: 5.727 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.043e-06/1.434, allocations: 12.03 kB / 0.9108 GB, free: 5.715 MB / 0.5762 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 0.02519/1.459, allocations: 10.13 MB / 0.9207 GB, free: 11.33 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00182/1.461, allocations: 0.7313 MB / 0.9214 GB, free: 10.58 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004054/1.462, allocations: 56 kB / 0.9214 GB, free: 10.53 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003313/1.465, allocations: 0.507 MB / 0.9219 GB, free: 10.02 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007839/1.466, allocations: 226.4 kB / 0.9221 GB, free: 9.801 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000234/1.466, allocations: 95.89 kB / 0.9222 GB, free: 9.707 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.00147/1.468, allocations: 1.001 MB / 0.9232 GB, free: 8.703 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.81e-07/1.468, allocations: 0 / 0.9232 GB, free: 8.703 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.00637/1.474, allocations: 1.855 MB / 0.925 GB, free: 6.848 MB / 0.5919 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004385/1.474, allocations: 180.4 kB / 0.9252 GB, free: 6.668 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.03375/1.508, allocations: 14.39 MB / 0.9392 GB, free: 8.195 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 1.206e-05/1.508, allocations: 1.875 kB / 0.9392 GB, free: 8.195 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.01095/1.519, allocations: 4.387 MB / 0.9435 GB, free: 3.773 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002374/1.522, allocations: 283.3 kB / 0.9438 GB, free: 3.504 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02524/1.547, allocations: 11.14 MB / 0.9547 GB, free: 8.258 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003253/1.55, allocations: 2.849 MB / 0.9574 GB, free: 5.371 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.005576/1.556, allocations: 1.661 MB / 0.9591 GB, free: 3.707 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006814/1.556, allocations: 171.3 kB / 0.9592 GB, free: 3.539 MB / 0.6231 GB Notification: Performance of SimCode: time 2.424e-06/1.556, allocations: 0 / 0.9592 GB, free: 3.539 MB / 0.6231 GB Notification: Performance of Templates: time 0.3858/1.942, allocations: 78.41 MB / 1.036 GB, free: 202.2 MB / 0.6544 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)