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 0.001276/0.001276, allocations: 92.22 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 0.001336/0.001336, allocations: 165 kB / 23.8 MB, free: 0.7695 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 1.118/1.118, allocations: 177.1 MB / 204.2 MB, free: 5.652 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 0.6761/0.6761, allocations: 115 MB / 375.7 MB, free: 7.656 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 1.403e-06/1.403e-06, allocations: 0 / 481.6 MB, free: 11.82 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.985e-05/2.125e-05, allocations: 3.078 kB / 481.6 MB, free: 11.82 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.009018/0.009039, allocations: 9.493 MB / 491.1 MB, free: 5.895 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.006572/0.01561, allocations: 3.799 MB / 494.9 MB, free: 3.328 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001076/0.01669, allocations: 62.84 kB / 495 MB, free: 3.312 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.000987/0.01767, allocations: 462.8 kB / 495.4 MB, free: 3.102 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001915/0.01959, allocations: 1.205 MB / 496.6 MB, free: 2.41 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001736/0.02132, allocations: 0.9432 MB / 497.6 MB, free: 1.914 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.005601/0.02693, allocations: 5.413 MB / 0.4912 GB, free: 15.58 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005209/0.03213, allocations: 3.361 MB / 0.4945 GB, free: 13.72 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005379/0.03751, allocations: 3.284 MB / 0.4977 GB, free: 10.97 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00508/0.04259, allocations: 3.016 MB / 0.5006 GB, free: 8.66 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001341/0.04393, allocations: 0.5117 MB / 0.5011 GB, free: 8.148 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001573/0.04551, allocations: 0.7036 MB / 0.5018 GB, free: 7.488 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002144/0.04765, allocations: 2.445 MB / 0.5042 GB, free: 5.164 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002453/0.0501, allocations: 1.549 MB / 0.5057 GB, free: 3.613 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003987/0.05409, allocations: 4.132 MB / 0.5097 GB, free: 15.47 MB / 442.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.527e-06/0.05409, allocations: 0 / 0.5097 GB, free: 15.47 MB / 442.7 MB Notification: Performance of FrontEnd: time 1.483e-06/0.0541, allocations: 0 / 0.5097 GB, free: 15.47 MB / 442.7 MB Notification: Performance of Transformations before backend: time 0.0001659/0.05426, allocations: 0 / 0.5097 GB, free: 15.47 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 0.005582/0.05984, allocations: 3.975 MB / 0.5136 GB, free: 11.45 MB / 442.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.324e-05/0.0599, allocations: 17.02 kB / 0.5136 GB, free: 11.43 MB / 442.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00837/0.06827, allocations: 2.524 MB / 0.5161 GB, free: 8.914 MB / 442.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004212/0.07248, allocations: 1.964 MB / 0.518 GB, free: 6.922 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002095/0.07269, allocations: 263.4 kB / 0.5183 GB, free: 6.664 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008434/0.07353, allocations: 349 kB / 0.5186 GB, free: 6.324 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00733/0.08086, allocations: 3.726 MB / 0.5222 GB, free: 2.457 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.866e-05/0.08092, allocations: 0 / 0.5222 GB, free: 2.457 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003057/0.08123, allocations: 144 kB / 0.5224 GB, free: 2.316 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003442/0.08157, allocations: 338.7 kB / 0.5227 GB, free: 1.984 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004132/0.0857, allocations: 1.786 MB / 0.5245 GB, free: 204 kB / 442.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02119/0.1069, allocations: 16.42 MB / 0.5405 GB, free: 15.2 MB / 474.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003008/0.1099, allocations: 2.051 MB / 0.5425 GB, free: 13.11 MB / 474.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001857/0.1118, allocations: 1.084 MB / 0.5436 GB, free: 12.01 MB / 474.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001894/0.1119, allocations: 60.11 kB / 0.5436 GB, free: 11.95 MB / 474.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.619e-05/0.112, allocations: 71.31 kB / 0.5437 GB, free: 11.87 MB / 474.7 MB Notification: Performance of pre-optimization done (n=208): time 5.74e-06/0.112, allocations: 0 / 0.5437 GB, free: 11.87 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 0.02797/0.14, allocations: 13.88 MB / 0.5572 GB, free: 14.03 MB / 490.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001395/0.1401, allocations: 243.5 kB / 0.5575 GB, free: 13.74 MB / 490.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001766/0.1419, allocations: 1.261 MB / 0.5587 GB, free: 12.47 MB / 490.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0005681/0.1425, allocations: 69.7 kB / 0.5588 GB, free: 12.39 MB / 490.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001085/0.1436, allocations: 1.619 MB / 0.5603 GB, free: 10.76 MB / 490.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.001128/0.1447, allocations: 0.9801 MB / 0.5613 GB, free: 9.77 MB / 490.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009175/0.1456, allocations: 0.647 MB / 0.5619 GB, free: 9.109 MB / 490.7 MB Notification: Performance of setup shared object (initialization): time 0.0001359/0.1457, allocations: 484.7 kB / 0.5624 GB, free: 8.633 MB / 490.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001478/0.1472, allocations: 0.7428 MB / 0.5631 GB, free: 7.879 MB / 490.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002107/0.1493, allocations: 2.091 MB / 0.5652 GB, free: 5.254 MB / 490.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003959/0.1533, allocations: 2.95 MB / 0.568 GB, free: 1.773 MB / 490.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.123e-05/0.1533, allocations: 8 kB / 0.568 GB, free: 1.766 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 0.01315/0.1665, allocations: 6.223 MB / 0.5741 GB, free: 11.47 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 4.96e-05/0.1665, allocations: 22.59 kB / 0.5741 GB, free: 11.45 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.422e-05/0.1665, allocations: 24 kB / 0.5742 GB, free: 11.43 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02102/0.1876, allocations: 7.157 MB / 0.5812 GB, free: 4.25 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002548/0.1901, allocations: 0.8541 MB / 0.582 GB, free: 3.395 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.023/0.2131, allocations: 16.57 MB / 0.5982 GB, free: 2.434 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003104/0.2162, allocations: 439.2 kB / 0.5986 GB, free: 2.004 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006521/0.2169, allocations: 155.9 kB / 0.5987 GB, free: 1.852 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002439/0.2193, allocations: 0.8993 MB / 0.5996 GB, free: 0.9453 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00203/0.2213, allocations: 2.071 MB / 0.6016 GB, free: 14.34 MB / 0.5261 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005363/0.2267, allocations: 4.08 MB / 0.6056 GB, free: 9.684 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.367e-05/0.2267, allocations: 8 kB / 0.6056 GB, free: 9.676 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 0.01087/0.2376, allocations: 5.732 MB / 0.6112 GB, free: 3.871 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 4.365e-05/0.2376, allocations: 19.94 kB / 0.6112 GB, free: 3.852 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.369e-05/0.2377, allocations: 28 kB / 0.6113 GB, free: 3.824 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01285/0.2505, allocations: 4.696 MB / 0.6159 GB, free: 15.11 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002668/0.2532, allocations: 0.9126 MB / 0.6168 GB, free: 14.2 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01933/0.2725, allocations: 19.11 MB / 0.6354 GB, free: 10.47 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003176/0.2757, allocations: 423.3 kB / 0.6358 GB, free: 10.05 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004275/0.2761, allocations: 148 kB / 0.636 GB, free: 9.91 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 0.000983/0.2771, allocations: 479.2 kB / 0.6364 GB, free: 9.434 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006183/0.2777, allocations: 290.7 kB / 0.6367 GB, free: 9.148 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 0.01057/0.2883, allocations: 5.665 MB / 0.6422 GB, free: 3.445 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.743e-05/0.2884, allocations: 31.98 kB / 0.6423 GB, free: 3.414 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.361e-05/0.2884, allocations: 12 kB / 0.6423 GB, free: 3.402 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.992e-05/0.2884, allocations: 19.95 kB / 0.6423 GB, free: 3.383 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 0.2965/0.585, allocations: 10.07 MB / 0.6521 GB, free: 136.9 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.014e-05/0.585, allocations: 11.47 kB / 0.6521 GB, free: 136.9 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001785/0.5868, allocations: 0.6027 MB / 0.6527 GB, free: 136.9 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02013/0.6069, allocations: 6.565 MB / 0.6591 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007172/0.6076, allocations: 75.67 kB / 0.6592 GB, free: 136.8 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02113/0.6287, allocations: 16.1 MB / 0.6749 GB, free: 129 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.074e-05/0.6288, allocations: 14.56 kB / 0.6749 GB, free: 129 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 0.01212/0.6409, allocations: 6.121 MB / 0.6809 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001698/0.6426, allocations: 0.6061 MB / 0.6815 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004414/0.643, allocations: 61.41 kB / 0.6816 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001827/0.6448, allocations: 380.9 kB / 0.6819 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008267/0.6457, allocations: 235.8 kB / 0.6821 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00019/0.6459, allocations: 93.69 kB / 0.6822 GB, free: 127.7 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0008499/0.6467, allocations: 0.659 MB / 0.6829 GB, free: 127.5 MB / 0.5573 GB Notification: Performance of sort global known variables: time 2.7e-07/0.6467, allocations: 0 / 0.6829 GB, free: 127.5 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.005935/0.6526, allocations: 1.852 MB / 0.6847 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 0.0005294/0.6532, allocations: 176.9 kB / 0.6849 GB, free: 127.4 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.01255/0.6657, allocations: 7.291 MB / 0.692 GB, free: 125.8 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 1.942e-05/0.6657, allocations: 0 / 0.692 GB, free: 125.8 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.005146/0.6709, allocations: 2.909 MB / 0.6948 GB, free: 125.1 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001975/0.6729, allocations: 297.9 kB / 0.6951 GB, free: 125.1 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01176/0.6846, allocations: 6.764 MB / 0.7017 GB, free: 120.5 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001661/0.6863, allocations: 1.116 MB / 0.7028 GB, free: 119.6 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.002957/0.6892, allocations: 1.405 MB / 0.7042 GB, free: 118.2 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005944/0.6898, allocations: 168.4 kB / 0.7043 GB, free: 118.1 MB / 0.5573 GB Notification: Performance of SimCode: time 2.294e-06/0.6898, allocations: 0 / 0.7043 GB, free: 118.1 MB / 0.5573 GB Notification: Performance of Templates: time 0.07578/0.7656, allocations: 78.54 MB / 0.781 GB, free: 40 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: 5.741155607160181]