Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 0.0008203/0.0008203, allocations: 81.17 kB / 19.87 MB, free: 4.621 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 0.0008934/0.0008934, allocations: 169 kB / 23.27 MB, free: 1.223 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 0.9304/0.9304, allocations: 177.1 MB / 203.7 MB, free: 5.523 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.278/2.278, allocations: 438.1 MB / 0.682 GB, free: 14.15 MB / 0.6511 GB " [Timeout remaining time 177] Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.713e-06/1.713e-06, allocations: 0 / 0.8899 GB, free: 9.625 MB / 0.8542 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.736e-05/1.908e-05, allocations: 5.406 kB / 0.8899 GB, free: 9.621 MB / 0.8542 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01903/0.01905, allocations: 9.345 MB / 0.899 GB, free: 236 kB / 0.8542 GB Notification: Performance of NFInst.instExpressions: time 0.01176/0.03081, allocations: 3.804 MB / 0.9027 GB, free: 12.42 MB / 0.8698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007544/0.03156, allocations: 63.75 kB / 0.9028 GB, free: 12.36 MB / 0.8698 GB Notification: Performance of NFTyping.typeComponents: time 0.0007525/0.03231, allocations: 453.2 kB / 0.9032 GB, free: 11.91 MB / 0.8698 GB Notification: Performance of NFTyping.typeBindings: time 0.001456/0.03377, allocations: 1.236 MB / 0.9044 GB, free: 10.67 MB / 0.8698 GB Notification: Performance of NFTyping.typeClassSections: time 0.001325/0.0351, allocations: 0.9513 MB / 0.9053 GB, free: 9.715 MB / 0.8698 GB Notification: Performance of NFFlatten.flatten: time 0.003507/0.0386, allocations: 5.432 MB / 0.9106 GB, free: 4.27 MB / 0.8698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002721/0.04132, allocations: 3.386 MB / 0.9139 GB, free: 0.7852 MB / 0.8698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003057/0.04438, allocations: 3.345 MB / 0.9172 GB, free: 13.43 MB / 0.8855 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002695/0.04707, allocations: 2.962 MB / 0.9201 GB, free: 10.46 MB / 0.8855 GB Notification: Performance of NFPackage.collectConstants: time 0.0006744/0.04775, allocations: 0.5078 MB / 0.9206 GB, free: 9.957 MB / 0.8855 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009203/0.04867, allocations: 0.7026 MB / 0.9213 GB, free: 9.254 MB / 0.8855 GB Notification: Performance of NFScalarize.scalarize: time 0.001366/0.05004, allocations: 2.428 MB / 0.9237 GB, free: 6.82 MB / 0.8855 GB Notification: Performance of NFVerifyModel.verify: time 0.001296/0.05133, allocations: 1.552 MB / 0.9252 GB, free: 5.266 MB / 0.8855 GB Notification: Performance of NFConvertDAE.convert: time 0.002625/0.05396, allocations: 4.129 MB / 0.9292 GB, free: 1.129 MB / 0.8855 GB Notification: Performance of FrontEnd - DAE generated: time 2.996e-06/0.05396, allocations: 0 / 0.9292 GB, free: 1.129 MB / 0.8855 GB Notification: Performance of FrontEnd: time 1.503e-06/0.05396, allocations: 0 / 0.9292 GB, free: 1.129 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 4.97e-05/0.05401, allocations: 7.938 kB / 0.9292 GB, free: 1.121 MB / 0.8855 GB 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 0.003793/0.0578, allocations: 3.95 MB / 0.9331 GB, free: 13.12 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 3.383e-05/0.05784, allocations: 12.62 kB / 0.9331 GB, free: 13.11 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004272/0.06211, allocations: 1.579 MB / 0.9346 GB, free: 11.52 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001646/0.06376, allocations: 1.598 MB / 0.9362 GB, free: 9.895 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001312/0.06389, allocations: 275.5 kB / 0.9364 GB, free: 9.625 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004129/0.0643, allocations: 356.2 kB / 0.9368 GB, free: 9.277 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004045/0.06834, allocations: 3.329 MB / 0.94 GB, free: 5.797 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.314e-05/0.06839, allocations: 3.938 kB / 0.94 GB, free: 5.793 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002621/0.06865, allocations: 151.9 kB / 0.9402 GB, free: 5.645 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002377/0.06889, allocations: 314.1 kB / 0.9405 GB, free: 5.336 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001941/0.07083, allocations: 1.411 MB / 0.9419 GB, free: 3.914 MB / 0.9011 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01246/0.08329, allocations: 16.03 MB / 0.9575 GB, free: 3.27 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001935/0.08523, allocations: 1.854 MB / 0.9593 GB, free: 1.363 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001063/0.08629, allocations: 0.9709 MB / 0.9603 GB, free: 372 kB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001214/0.08641, allocations: 73.94 kB / 0.9603 GB, free: 300 kB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.343e-05/0.08644, allocations: 67.33 kB / 0.9604 GB, free: 220 kB / 0.9167 GB Notification: Performance of pre-optimization done (n=208): time 3.276e-06/0.08645, allocations: 4 kB / 0.9604 GB, free: 216 kB / 0.9167 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 matching and sorting (n=271): time 0.01633/0.1028, allocations: 8.103 MB / 0.9683 GB, free: 8.172 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.96e-05/0.1028, allocations: 235.6 kB / 0.9686 GB, free: 7.895 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008909/0.1037, allocations: 1.241 MB / 0.9698 GB, free: 6.641 MB / 0.9323 GB Notification: Performance of collectPreVariables (initialization): time 0.0001374/0.1039, allocations: 69.7 kB / 0.9698 GB, free: 6.566 MB / 0.9323 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006289/0.1045, allocations: 1.638 MB / 0.9714 GB, free: 4.91 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005241/0.105, allocations: 0.9877 MB / 0.9724 GB, free: 3.914 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000845/0.1059, allocations: 0.6584 MB / 0.973 GB, free: 3.242 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 8.632e-05/0.106, allocations: 480.7 kB / 0.9735 GB, free: 2.77 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007275/0.1067, allocations: 0.5866 MB / 0.9741 GB, free: 2.172 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0013/0.108, allocations: 1.927 MB / 0.976 GB, free: 15.71 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002194/0.1102, allocations: 2.668 MB / 0.9786 GB, free: 12.51 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.838e-06/0.1102, allocations: 8 kB / 0.9786 GB, free: 12.5 MB / 0.948 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 matching and sorting (n=410) (initialization): time 0.007799/0.118, allocations: 4.554 MB / 0.983 GB, free: 7.883 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 2.047e-05/0.118, allocations: 16 kB / 0.983 GB, free: 7.867 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.952e-05/0.118, allocations: 24 kB / 0.983 GB, free: 7.844 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01179/0.1298, allocations: 4.303 MB / 0.9873 GB, free: 3.523 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001439/0.1313, allocations: 0.6826 MB / 0.9879 GB, free: 2.84 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01377/0.145, allocations: 14.58 MB / 1.002 GB, free: 3.895 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001425/0.1465, allocations: 163.8 kB / 1.002 GB, free: 3.734 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001752/0.1466, allocations: 127.9 kB / 1.002 GB, free: 3.609 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001391/0.148, allocations: 0.7391 MB / 1.003 GB, free: 2.863 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001315/0.1493, allocations: 1.923 MB / 1.005 GB, free: 412 kB / 0.9636 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003376/0.1527, allocations: 3.666 MB / 1.009 GB, free: 12.16 MB / 0.9792 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.013e-05/0.1527, allocations: 8 kB / 1.009 GB, free: 12.15 MB / 0.9792 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 0.006812/0.1595, allocations: 4.339 MB / 1.013 GB, free: 7.742 MB / 0.9792 GB Notification: Performance of prepare postOptimizeDAE: time 1.656e-05/0.1596, allocations: 20.06 kB / 1.013 GB, free: 7.723 MB / 0.9792 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.883e-05/0.1596, allocations: 24.19 kB / 1.013 GB, free: 7.699 MB / 0.9792 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007774/0.1673, allocations: 2.843 MB / 1.016 GB, free: 4.836 MB / 0.9792 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001506/0.1688, allocations: 0.7372 MB / 1.016 GB, free: 4.098 MB / 0.9792 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.012/0.1809, allocations: 17.58 MB / 1.034 GB, free: 1.945 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001324/0.1822, allocations: 155.8 kB / 1.034 GB, free: 1.793 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001727/0.1823, allocations: 131.9 kB / 1.034 GB, free: 1.664 MB / 0.9948 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 0.0005992/0.1829, allocations: 483.1 kB / 1.034 GB, free: 1.184 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004164/0.1834, allocations: 290.7 kB / 1.035 GB, free: 0.8984 MB / 0.9948 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 0.007218/0.1906, allocations: 4.133 MB / 1.039 GB, free: 12.73 MB / 1.01 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.479e-05/0.1906, allocations: 32 kB / 1.039 GB, free: 12.7 MB / 1.01 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.208e-05/0.1906, allocations: 12 kB / 1.039 GB, free: 12.68 MB / 1.01 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.642e-05/0.1906, allocations: 19.94 kB / 1.039 GB, free: 12.66 MB / 1.01 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 0.01084/0.2015, allocations: 7.771 MB / 1.046 GB, free: 4.699 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.025e-06/0.2015, allocations: 8 kB / 1.046 GB, free: 4.691 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001001/0.2025, allocations: 447.4 kB / 1.047 GB, free: 4.254 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01041/0.2129, allocations: 3.989 MB / 1.051 GB, free: 256 kB / 1.01 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000145/0.213, allocations: 67.95 kB / 1.051 GB, free: 188 kB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4515/0.6646, allocations: 14.31 MB / 1.065 GB, free: 160.5 MB / 1.01 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.031e-06/0.6646, allocations: 12.03 kB / 1.065 GB, free: 160.5 MB / 1.01 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 0.007486/0.6721, allocations: 4.598 MB / 1.069 GB, free: 159.3 MB / 1.01 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001058/0.6731, allocations: 0.5308 MB / 1.07 GB, free: 159.2 MB / 1.01 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00025/0.6734, allocations: 48.25 kB / 1.07 GB, free: 159.2 MB / 1.01 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001012/0.6744, allocations: 94.59 kB / 1.07 GB, free: 159.2 MB / 1.01 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004189/0.6748, allocations: 240.3 kB / 1.07 GB, free: 159.2 MB / 1.01 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001276/0.6749, allocations: 79.72 kB / 1.07 GB, free: 159.2 MB / 1.01 GB Notification: Performance of sorting global known variables: time 0.0005371/0.6755, allocations: 0.603 MB / 1.071 GB, free: 159 MB / 1.01 GB Notification: Performance of sort global known variables: time 2.6e-07/0.6755, allocations: 0 / 1.071 GB, free: 159 MB / 1.01 GB Notification: Performance of remove unused functions: time 0.003989/0.6794, allocations: 1.835 MB / 1.072 GB, free: 159 MB / 1.01 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 0.0002773/0.6797, allocations: 180.5 kB / 1.073 GB, free: 158.9 MB / 1.01 GB Notification: Performance of simCode: created initialization part: time 0.006893/0.6866, allocations: 6.122 MB / 1.079 GB, free: 157.3 MB / 1.01 GB Notification: Performance of simCode: created event and clocks part: time 4.449e-06/0.6866, allocations: 0 / 1.079 GB, free: 157.3 MB / 1.01 GB Notification: Performance of simCode: created simulation system equations: time 0.002573/0.6892, allocations: 2.394 MB / 1.081 GB, free: 156.6 MB / 1.01 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000975/0.6902, allocations: 288.4 kB / 1.081 GB, free: 156.6 MB / 1.01 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008463/0.6986, allocations: 6.427 MB / 1.088 GB, free: 154.2 MB / 1.01 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001097/0.6997, allocations: 1.121 MB / 1.089 GB, free: 154 MB / 1.01 GB Notification: Performance of simCode: alias equations: time 0.001452/0.7012, allocations: 0.554 MB / 1.089 GB, free: 153.8 MB / 1.01 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007508/0.7019, allocations: 373.6 kB / 1.09 GB, free: 153.8 MB / 1.01 GB Notification: Performance of SimCode: time 9.32e-07/0.7019, allocations: 0 / 1.09 GB, free: 153.8 MB / 1.01 GB Notification: Performance of Templates: time 0.07639/0.7783, allocations: 81.09 MB / 1.169 GB, free: 112.6 MB / 1.01 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 7.042388882953674]