Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0002702/0.0002702, allocations: 0 / 0, free: 0 / 0 " [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 0.0002341/0.0002341, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.1487/0.1487, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo): time 0.4118/0.4118, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 179] Using package Buildings with version 12.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: simulate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,startTime=0,stopTime=1,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|err_V2.[0-9,]+.|err_V3.[0-9,]+.|err_V4.[0-9,]+.|err_Theta2.[0-9,]+.|err_Theta3.[0-9,]+.|err_Theta4.[0-9,]+.",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD",simflags="-abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS") simulate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,startTime=0,stopTime=1,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|err_V2.[0-9,]+.|err_V3.[0-9,]+.|err_V4.[0-9,]+.|err_Theta2.[0-9,]+.|err_Theta3.[0-9,]+.|err_Theta4.[0-9,]+.",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD",simflags="-abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS") [Timeout 540] "Notification: Performance of FrontEnd - loaded program: time 1.954e-06/1.954e-06, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 2.428e-05/2.623e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01087/0.01089, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.007414/0.01831, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.0008294/0.01914, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.001052/0.02019, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.001965/0.02216, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.001736/0.02389, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.003218/0.02711, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.003388/0.0305, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.006234/0.03673, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.002438/0.03917, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 0.000362/0.03953, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0007327/0.04027, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.001638/0.0419, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.001355/0.04326, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.003778/0.04704, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 0.0004088/0.04745, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 1.563e-06/0.04745, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 2.769e-05/0.04747, allocations: 0 / 0, free: 0 / 0 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 0.004594/0.05207, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 0.0001252/0.05219, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00447/0.05666, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.001659/0.05832, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001955/0.05852, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005192/0.05904, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.006001/0.06504, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 5.432e-05/0.06509, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004033/0.0655, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003735/0.06587, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002758/0.06863, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01227/0.0809, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.001899/0.0828, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.001105/0.0839, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 0.0001239/0.08403, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.307e-05/0.08408, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=208): time 1.09e-05/0.08409, allocations: 0 / 0, free: 0 / 0 Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : 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] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : 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] [ -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.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -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.conv1.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] ] 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 matching and sorting (n=211): time 0.02238/0.1065, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 7.748e-05/0.1065, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002461/0.109, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 0.0006413/0.1096, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.0006909/0.1103, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.0004741/0.1108, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008131/0.1116, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 3.019e-05/0.1117, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.000671/0.1123, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008812/0.1132, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.001607/0.1148, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.73e-05/0.1148, allocations: 0 / 0, free: 0 / 0 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.conv1.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.conv1.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 matching and sorting (n=350) (initialization): time 0.006488/0.1213, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 2.979e-05/0.1213, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.266e-05/0.1214, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 0.00584/0.1273, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001748/0.129, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006876/0.1359, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00123/0.1371, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002682/0.1374, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001416/0.1388, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009248/0.1397, allocations: 0 / 0, free: 0 / 0 Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002231/0.1419, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.999e-05/0.142, allocations: 0 / 0, free: 0 / 0 Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : 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] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : 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] [ -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.v3_n[2] ; line2.v3_p[2] ; line2.v1_p[2] ; line2.v1_n[2] ] = [ -transformer.conv3.V2[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] ; -loadRL.load3.v[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] ] might be structurally or numerically singular for variable line2.v1_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : 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] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : 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] [ -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.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ] = [ -transformer.conv1.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] ; 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] ] 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 matching and sorting (n=350) (initialization_lambda0): time 0.003062/0.145, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 2.459e-05/0.1451, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.033e-05/0.1451, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 0.001126/0.1462, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001347/0.1475, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004169/0.1517, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001161/0.1529, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003412/0.1532, allocations: 0 / 0, free: 0 / 0 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.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 (294): * Single equations (assignments): 292 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001023/0.1542, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004868/0.1547, allocations: 0 / 0, free: 0 / 0 Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.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] ; 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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00384/0.1586, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.338e-05/0.1586, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 5.15e-06/0.1586, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.069e-05/0.1586, allocations: 0 / 0, free: 0 / 0 Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.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] ; 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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007463/0.1661, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.347e-05/0.1661, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001029/0.1671, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 0.004253/0.1714, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003053/0.1717, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006838/0.1785, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.022e-05/0.1785, allocations: 0 / 0, free: 0 / 0 Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : 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] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : 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] [ -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.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ] = [ -transformer.conv1.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] ; 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] ] 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 0.00373/0.1822, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.0006439/0.1829, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004667/0.1833, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008714/0.1842, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007242/0.1849, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001459/0.1851, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.0005251/0.1856, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 4.346e-05/0.1857, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.004018/0.1897, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * 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 (158): * Single equations (assignments): 156 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(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 0.001438/0.1911, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.005927/0.197, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 8.676e-06/0.197, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.001946/0.199, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002386/0.2014, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00735/0.2087, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001212/0.2099, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.001166/0.2111, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007161/0.2118, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 4.743e-05/0.2119, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Templates: time 0.01018/0.222, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 540] [Calling sys.exit(0), Time elapsed: 1.4264990091323853]