Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001043/0.001043, allocations: 96.09 kB / 20.43 MB, free: 4.141 MB / 18.57 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 0.001678/0.001678, allocations: 165 kB / 23.8 MB, free: 0.7734 MB / 18.57 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 0.9989/0.9989, allocations: 177.1 MB / 204.2 MB, free: 5.629 MB / 186.7 MB " [Timeout remaining time 179] 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 0.5941/0.5941, allocations: 115 MB / 375.7 MB, free: 7.645 MB / 346.7 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: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.683e-06/1.683e-06, allocations: 0 / 481.6 MB, free: 11.77 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.615e-05/2.783e-05, allocations: 4.766 kB / 481.6 MB, free: 11.77 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.008293/0.00832, allocations: 9.493 MB / 491.1 MB, free: 5.848 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.005326/0.01365, allocations: 3.788 MB / 494.9 MB, free: 3.289 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006249/0.01427, allocations: 65 kB / 495 MB, free: 3.273 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0008642/0.01514, allocations: 460.9 kB / 495.4 MB, free: 3.066 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001455/0.01659, allocations: 1.215 MB / 496.6 MB, free: 2.363 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001241/0.01783, allocations: 0.9418 MB / 497.6 MB, free: 1.867 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.004206/0.02204, allocations: 5.414 MB / 0.4912 GB, free: 15.53 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004183/0.02622, allocations: 3.361 MB / 0.4945 GB, free: 13.66 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00416/0.03038, allocations: 3.321 MB / 0.4977 GB, free: 10.88 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004295/0.03468, allocations: 2.952 MB / 0.5006 GB, free: 8.617 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001068/0.03574, allocations: 0.5039 MB / 0.5011 GB, free: 8.113 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001477/0.03722, allocations: 0.6993 MB / 0.5018 GB, free: 7.457 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.00183/0.03905, allocations: 2.427 MB / 0.5042 GB, free: 5.211 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001863/0.04091, allocations: 1.533 MB / 0.5056 GB, free: 3.676 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003621/0.04454, allocations: 4.107 MB / 0.5097 GB, free: 15.55 MB / 442.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.546e-06/0.04454, allocations: 0 / 0.5097 GB, free: 15.55 MB / 442.7 MB Notification: Performance of FrontEnd: time 1.392e-06/0.04454, allocations: 0.75 kB / 0.5097 GB, free: 15.55 MB / 442.7 MB Notification: Performance of Transformations before backend: time 0.0001346/0.04467, allocations: 0 / 0.5097 GB, free: 15.55 MB / 442.7 MB 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 0.004401/0.04908, allocations: 3.959 MB / 0.5135 GB, free: 11.55 MB / 442.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.636e-05/0.04911, allocations: 9.531 kB / 0.5135 GB, free: 11.54 MB / 442.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005684/0.0548, allocations: 2.532 MB / 0.516 GB, free: 9.016 MB / 442.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001874/0.05667, allocations: 1.824 MB / 0.5178 GB, free: 7.164 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001242/0.05679, allocations: 264.4 kB / 0.518 GB, free: 6.906 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003803/0.05717, allocations: 352.3 kB / 0.5184 GB, free: 6.562 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005076/0.06225, allocations: 3.73 MB / 0.522 GB, free: 2.688 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.178e-05/0.0623, allocations: 9.375 kB / 0.522 GB, free: 2.68 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002766/0.06258, allocations: 148 kB / 0.5222 GB, free: 2.535 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002764/0.06285, allocations: 330 kB / 0.5225 GB, free: 2.211 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003069/0.06592, allocations: 1.794 MB / 0.5242 GB, free: 428 kB / 442.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01485/0.08077, allocations: 16.41 MB / 0.5403 GB, free: 15.43 MB / 474.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002537/0.08331, allocations: 2.062 MB / 0.5423 GB, free: 13.33 MB / 474.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001456/0.08477, allocations: 1.084 MB / 0.5433 GB, free: 12.23 MB / 474.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001462/0.08491, allocations: 67.27 kB / 0.5434 GB, free: 12.17 MB / 474.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.176e-05/0.08495, allocations: 67.27 kB / 0.5435 GB, free: 12.09 MB / 474.7 MB Notification: Performance of pre-optimization done (n=208): time 4.829e-06/0.08496, allocations: 0 / 0.5435 GB, free: 12.09 MB / 474.7 MB 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.conv1.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.conv1.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 0.02286/0.1078, allocations: 13.87 MB / 0.557 GB, free: 14.25 MB / 490.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.357e-05/0.1079, allocations: 243.6 kB / 0.5572 GB, free: 13.96 MB / 490.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001141/0.109, allocations: 1.245 MB / 0.5585 GB, free: 12.71 MB / 490.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001555/0.1092, allocations: 73.7 kB / 0.5585 GB, free: 12.63 MB / 490.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0006956/0.1099, allocations: 1.619 MB / 0.5601 GB, free: 10.99 MB / 490.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000584/0.1105, allocations: 0.9801 MB / 0.5611 GB, free: 10 MB / 490.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007184/0.1112, allocations: 0.6392 MB / 0.5617 GB, free: 9.352 MB / 490.7 MB Notification: Performance of setup shared object (initialization): time 0.0001039/0.1113, allocations: 484.7 kB / 0.5621 GB, free: 8.875 MB / 490.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001151/0.1124, allocations: 0.7506 MB / 0.5629 GB, free: 8.113 MB / 490.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001937/0.1144, allocations: 2.083 MB / 0.5649 GB, free: 5.496 MB / 490.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002916/0.1173, allocations: 2.957 MB / 0.5678 GB, free: 2.008 MB / 490.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.067e-05/0.1173, allocations: 8 kB / 0.5678 GB, free: 2 MB / 490.7 MB 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.conv1.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.conv1.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 0.01064/0.128, allocations: 6.212 MB / 0.5739 GB, free: 11.71 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 3.132e-05/0.128, allocations: 28.48 kB / 0.5739 GB, free: 11.69 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.836e-05/0.128, allocations: 28 kB / 0.5739 GB, free: 11.66 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0177/0.1457, allocations: 7.001 MB / 0.5808 GB, free: 4.645 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002145/0.1479, allocations: 0.8541 MB / 0.5816 GB, free: 3.789 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01839/0.1662, allocations: 16.55 MB / 0.5978 GB, free: 2.848 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002279/0.1685, allocations: 439.2 kB / 0.5982 GB, free: 2.418 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002086/0.1687, allocations: 159.9 kB / 0.5983 GB, free: 2.262 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001989/0.1707, allocations: 0.8954 MB / 0.5992 GB, free: 1.359 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001773/0.1725, allocations: 2.075 MB / 0.6012 GB, free: 14.75 MB / 0.5261 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004597/0.1771, allocations: 4.08 MB / 0.6052 GB, free: 10.09 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.104e-05/0.1771, allocations: 8 kB / 0.6052 GB, free: 10.09 MB / 0.5261 GB Warning: The linear system: 1 : transformer.conv3.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.conv3.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 : 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 matching and sorting (n=410) (initialization_lambda0): time 0.009521/0.1866, allocations: 5.737 MB / 0.6108 GB, free: 4.273 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 2e-05/0.1866, allocations: 19.98 kB / 0.6109 GB, free: 4.254 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.323e-05/0.1867, allocations: 28 kB / 0.6109 GB, free: 4.227 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01129/0.198, allocations: 4.598 MB / 0.6154 GB, free: 15.61 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00206/0.2, allocations: 0.897 MB / 0.6162 GB, free: 14.71 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01587/0.2159, allocations: 19.09 MB / 0.6349 GB, free: 11 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001999/0.2179, allocations: 427.3 kB / 0.6353 GB, free: 10.59 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002016/0.2181, allocations: 152 kB / 0.6354 GB, free: 10.44 MB / 0.5573 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.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 (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 0.000735/0.2188, allocations: 479.2 kB / 0.6359 GB, free: 9.961 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004505/0.2193, allocations: 282.8 kB / 0.6362 GB, free: 9.684 MB / 0.5573 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.conv1.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.conv1.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 postOpt wrapFunctionCalls (simulation): time 0.0103/0.2296, allocations: 5.661 MB / 0.6417 GB, free: 3.984 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.165e-05/0.2296, allocations: 28 kB / 0.6417 GB, free: 3.957 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.167e-05/0.2296, allocations: 16 kB / 0.6417 GB, free: 3.941 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.917e-05/0.2296, allocations: 11.95 kB / 0.6417 GB, free: 3.93 MB / 0.5573 GB 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 postOpt removeSimpleEquations (simulation): time 0.2349/0.4646, allocations: 10.08 MB / 0.6516 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.142e-05/0.4646, allocations: 8.844 kB / 0.6516 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001255/0.4658, allocations: 0.6016 MB / 0.6522 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01586/0.4817, allocations: 6.42 MB / 0.6585 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002012/0.4819, allocations: 71.5 kB / 0.6585 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01781/0.4997, allocations: 16.09 MB / 0.6742 GB, free: 128.9 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.116e-06/0.4997, allocations: 17.28 kB / 0.6743 GB, free: 128.9 MB / 0.5573 GB 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 symbolicJacobian (simulation): time 0.01083/0.5106, allocations: 6.11 MB / 0.6802 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009205/0.5115, allocations: 0.6038 MB / 0.6808 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002519/0.5117, allocations: 53.06 kB / 0.6809 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00136/0.5131, allocations: 381.8 kB / 0.6812 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005166/0.5136, allocations: 236.6 kB / 0.6815 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001673/0.5138, allocations: 95.84 kB / 0.6815 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0007097/0.5145, allocations: 0.6444 MB / 0.6822 GB, free: 127.5 MB / 0.5573 GB Notification: Performance of sort global known variables: time 8e-08/0.5145, allocations: 0 / 0.6822 GB, free: 127.5 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.003838/0.5183, allocations: 1.819 MB / 0.684 GB, free: 127.5 MB / 0.5573 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 0.0003186/0.5186, allocations: 190.1 kB / 0.6841 GB, free: 127.4 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.009053/0.5277, allocations: 7.29 MB / 0.6913 GB, free: 125.8 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 5.299e-06/0.5277, allocations: 0 / 0.6913 GB, free: 125.8 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.003429/0.5311, allocations: 2.894 MB / 0.6941 GB, free: 125 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001084/0.5322, allocations: 293.2 kB / 0.6944 GB, free: 125 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007976/0.5402, allocations: 6.77 MB / 0.701 GB, free: 121.1 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008567/0.541, allocations: 1.116 MB / 0.7021 GB, free: 120.3 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.002098/0.5431, allocations: 1.398 MB / 0.7034 GB, free: 119 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004273/0.5436, allocations: 164.4 kB / 0.7036 GB, free: 118.9 MB / 0.5573 GB Notification: Performance of SimCode: time 1.383e-06/0.5436, allocations: 0 / 0.7036 GB, free: 118.9 MB / 0.5573 GB Notification: Performance of Templates: time 0.06304/0.6066, allocations: 79.94 MB / 0.7816 GB, free: 39.44 MB / 0.5573 GB " [Timeout remaining time 659] make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 5.0787839740514755]