Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.153/2.153, allocations: 251 MB / 265.9 MB, free: 11.71 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001598/0.001597, allocations: 179 kB / 325.5 MB, free: 2.93 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.374/2.374, allocations: 205.4 MB / 0.5764 GB, free: 21.18 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001154/0.001154, allocations: 100.8 kB / 0.6809 GB, free: 14.09 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0004859/0.000486, allocations: 17.41 kB / 0.7951 GB, free: 135.7 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2239/0.2245, allocations: 106.3 MB / 0.8988 GB, free: 65.97 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9517/1.176, allocations: 192.7 MB / 1.087 GB, free: 54.79 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004295/1.177, allocations: 119.3 kB / 1.087 GB, free: 54.79 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.4661/1.643, allocations: 124.5 MB / 1.209 GB, free: 13.99 MB / 0.7136 GB Notification: Performance of FrontEnd: time 4.709e-06/1.643, allocations: 0 / 1.209 GB, free: 13.99 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0002011/1.643, allocations: 67.94 kB / 1.209 GB, free: 13.93 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.01388/1.657, allocations: 2.861 MB / 1.212 GB, free: 11.02 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 6.091e-05/1.657, allocations: 12.03 kB / 1.212 GB, free: 11.01 MB / 0.7136 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002749/1.66, allocations: 494.8 kB / 1.212 GB, free: 10.52 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02372/1.684, allocations: 2.095 MB / 1.214 GB, free: 8.422 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007351/1.691, allocations: 2.011 MB / 1.216 GB, free: 6.383 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003663/1.691, allocations: 236.9 kB / 1.216 GB, free: 6.16 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001866/1.693, allocations: 302.9 kB / 1.217 GB, free: 5.875 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02471/1.718, allocations: 5.867 MB / 1.222 GB, free: 15.93 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001777/1.718, allocations: 7.938 kB / 1.222 GB, free: 15.92 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001751/1.72, allocations: 130.3 kB / 1.222 GB, free: 15.8 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009993/1.721, allocations: 285.4 kB / 1.223 GB, free: 15.52 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02801/1.749, allocations: 6.028 MB / 1.229 GB, free: 9.477 MB / 0.7292 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05533/1.805, allocations: 24.85 MB / 1.253 GB, free: 14.69 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01915/1.824, allocations: 5.462 MB / 1.258 GB, free: 8.871 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007477/1.825, allocations: 141.8 kB / 1.258 GB, free: 8.73 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001081/1.825, allocations: 72.45 kB / 1.258 GB, free: 8.652 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=230): time 1.259e-05/1.825, allocations: 0 / 1.258 GB, free: 8.652 MB / 0.7605 GB Notification: Performance of matching and sorting (n=311): time 0.2722/2.097, allocations: 36.15 MB / 1.294 GB, free: 4.414 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001577/2.097, allocations: 247.8 kB / 1.294 GB, free: 4.121 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002972/2.1, allocations: 1.156 MB / 1.295 GB, free: 2.953 MB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 0.0008927/2.101, allocations: 77.7 kB / 1.295 GB, free: 2.871 MB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.001386/2.103, allocations: 1.26 MB / 1.296 GB, free: 1.602 MB / 0.7917 GB Notification: Performance of collectInitialBindings (initialization): time 0.002075/2.105, allocations: 1.046 MB / 1.297 GB, free: 0.5625 MB / 0.7917 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007281/2.105, allocations: 64 kB / 1.297 GB, free: 0.5 MB / 0.7917 GB Notification: Performance of setup shared object (initialization): time 0.0003868/2.106, allocations: 440.7 kB / 1.298 GB, free: 64 kB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01199/2.118, allocations: 2.727 MB / 1.301 GB, free: 13.33 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01283/2.131, allocations: 3.43 MB / 1.304 GB, free: 9.637 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01364/2.144, allocations: 3.13 MB / 1.307 GB, free: 6.488 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.859e-05/2.145, allocations: 4 kB / 1.307 GB, free: 6.484 MB / 0.8073 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.04438/2.189, allocations: 9.511 MB / 1.316 GB, free: 12.92 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 0.003012/2.192, allocations: 7.33 MB / 1.323 GB, free: 5.016 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.001e-05/2.192, allocations: 20 kB / 1.323 GB, free: 4.996 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05453/2.247, allocations: 7.271 MB / 1.331 GB, free: 13.71 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007575/2.254, allocations: 0.8189 MB / 1.331 GB, free: 12.89 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0543/2.309, allocations: 17.41 MB / 1.348 GB, free: 11.31 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007375/2.316, allocations: 0.5107 MB / 1.349 GB, free: 10.8 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000974/2.317, allocations: 183.9 kB / 1.349 GB, free: 10.62 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 1.598e-05/2.317, allocations: 4 kB / 1.349 GB, free: 10.61 MB / 0.8542 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1] 2 : line2.i2[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] 3 : line2.i1[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ transformer.conv3.terminal_p.i[1] ; transformer.conv1.terminal_p.i[1] ; transformer.conv2.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i2[1] ; -line2.i1[1] ] might be structurally or numerically singular for variable transformer.conv2.terminal_p.i[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.i3[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2] 2 : line2.i1[2] - transformer.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2] 3 : line2.i2[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ transformer.conv2.terminal_p.i[2] ; transformer.conv1.terminal_p.i[2] ; transformer.conv3.terminal_p.i[2] ] = [ -line2.i3[2] ; -line2.i1[2] ; -line2.i2[2] ] might be structurally or numerically singular for variable transformer.conv3.terminal_p.i[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v1_n[2] - line2.v2_n[2] 2 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 3 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ line2.v2_n[2] ; line2.v3_n[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v1_n[2] since U(3,3) = 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 : transformer.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1] 3 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v3_n[1] ; line2.v2_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.V2[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04118/2.358, allocations: 9.596 MB / 1.358 GB, free: 0.8086 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.122e-05/2.358, allocations: 20 kB / 1.358 GB, free: 0.7891 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02525/2.384, allocations: 3.655 MB / 1.362 GB, free: 13.12 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009234/2.393, allocations: 1.018 MB / 1.363 GB, free: 12.1 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04711/2.44, allocations: 26.14 MB / 1.388 GB, free: 1.039 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007343/2.448, allocations: 0.4953 MB / 1.389 GB, free: 0.543 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001132/2.449, allocations: 183.9 kB / 1.389 GB, free: 372 kB / 0.8855 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 84 * 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 (270): * Single equations (assignments): 268 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of prepare postOptimizeDAE: time 0.6889/3.138, allocations: 1.409 MB / 1.391 GB, free: 252.3 MB / 0.8855 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001004/3.139, allocations: 202.1 kB / 1.391 GB, free: 252.3 MB / 0.8855 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04434/3.183, allocations: 9.792 MB / 1.4 GB, free: 252 MB / 0.8855 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.017e-05/3.183, allocations: 31.03 kB / 1.4 GB, free: 252 MB / 0.8855 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.74e-05/3.183, allocations: 15.22 kB / 1.4 GB, free: 252 MB / 0.8855 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.186e-05/3.183, allocations: 16.61 kB / 1.4 GB, free: 252 MB / 0.8855 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05728/3.241, allocations: 15.16 MB / 1.415 GB, free: 250.7 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.227e-05/3.241, allocations: 10.38 kB / 1.415 GB, free: 250.7 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005956/3.247, allocations: 0.6288 MB / 1.416 GB, free: 250.7 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.05098/3.298, allocations: 7.049 MB / 1.423 GB, free: 250.7 MB / 0.8855 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008234/3.299, allocations: 95.25 kB / 1.423 GB, free: 250.7 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04203/3.341, allocations: 17.03 MB / 1.439 GB, free: 248.8 MB / 0.8855 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.375e-05/3.341, allocations: 14.22 kB / 1.439 GB, free: 248.8 MB / 0.8855 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03724/3.378, allocations: 9.537 MB / 1.449 GB, free: 247.3 MB / 0.8855 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003844/3.382, allocations: 0.8076 MB / 1.449 GB, free: 247.1 MB / 0.8855 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001572/3.384, allocations: 62.78 kB / 1.45 GB, free: 247.1 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.009074/3.393, allocations: 498.8 kB / 1.45 GB, free: 247.1 MB / 0.8855 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001731/3.394, allocations: 242.5 kB / 1.45 GB, free: 247.1 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001026/3.396, allocations: 140.3 kB / 1.45 GB, free: 247.1 MB / 0.8855 GB Notification: Performance of sorting global known variables: time 0.003068/3.399, allocations: 0.931 MB / 1.451 GB, free: 246.8 MB / 0.8855 GB Notification: Performance of sort global known variables: time 9.22e-07/3.399, allocations: 0 / 1.451 GB, free: 246.8 MB / 0.8855 GB Notification: Performance of remove unused functions: time 0.013/3.412, allocations: 1.642 MB / 1.453 GB, free: 246.6 MB / 0.8855 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 (166): * Single equations (assignments): 164 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of Backend phase and start with SimCode phase: time 0.05837/3.47, allocations: 13.27 MB / 1.466 GB, free: 240.1 MB / 0.8855 GB Notification: Performance of simCode: created initialization part: time 0.0604/3.531, allocations: 12.09 MB / 1.478 GB, free: 236.1 MB / 0.8855 GB Notification: Performance of simCode: created event and clocks part: time 1.811e-05/3.531, allocations: 0 / 1.478 GB, free: 236.1 MB / 0.8855 GB Notification: Performance of simCode: created simulation system equations: time 0.02255/3.553, allocations: 4.147 MB / 1.482 GB, free: 234.9 MB / 0.8855 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003667/3.557, allocations: 225.9 kB / 1.482 GB, free: 234.8 MB / 0.8855 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1581/3.715, allocations: 42.9 MB / 1.524 GB, free: 201.7 MB / 0.8855 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004459/3.72, allocations: 2.663 MB / 1.526 GB, free: 199.5 MB / 0.8855 GB Notification: Performance of simCode: alias equations: time 0.0108/3.731, allocations: 1.644 MB / 1.528 GB, free: 198.5 MB / 0.8855 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004835/3.735, allocations: 1.099 MB / 1.529 GB, free: 197.5 MB / 0.8855 GB Notification: Performance of SimCode: time 2.384e-06/3.736, allocations: 0 / 1.529 GB, free: 197.5 MB / 0.8855 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2164/3.952, allocations: 90.54 MB / 1.617 GB, free: 113.8 MB / 0.8855 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001704/3.952, allocations: 269.9 kB / 1.618 GB, free: 113.4 MB / 0.8855 GB Notification: Performance of buildModelFMU: Generate platform static: time 5.234/9.186, allocations: 7.125 kB / 1.618 GB, free: 113.4 MB / 0.8855 GB