Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.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 0.0007819/0.0007819, allocations: 109.9 kB / 18.93 MB, free: 1.27 MB / 13.93 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 0.0008899/0.0008899, allocations: 221.7 kB / 22.26 MB, free: 3.688 MB / 13.93 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 0.9565/0.9565, allocations: 230.6 MB / 256 MB, free: 9.805 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:190:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:198:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.8062/0.8062, allocations: 203.8 MB / 0.5042 GB, free: 10.75 MB / 410.7 MB " [Timeout remaining time 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 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: "" <> buildModelFMU(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,fileNamePrefix="IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,fileNamePrefix="IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IDEAS requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001032/0.001032, allocations: 62.88 kB / 0.7182 GB, free: 4.352 MB / 0.5261 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4923/0.4933, allocations: 102 MB / 0.8178 GB, free: 1.246 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth): time 0.005778/0.4991, allocations: 5.48 MB / 0.8232 GB, free: 13.34 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.1406/0.6397, allocations: 154.3 MB / 0.9739 GB, free: 5.68 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009301/0.6406, allocations: 23.81 kB / 0.9739 GB, free: 5.656 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.0005939/0.6412, allocations: 218 kB / 0.9741 GB, free: 5.441 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.001757/0.6429, allocations: 0.6202 MB / 0.9747 GB, free: 4.82 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.001851/0.6448, allocations: 0.9276 MB / 0.9756 GB, free: 3.902 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.001457/0.6462, allocations: 1.58 MB / 0.9772 GB, free: 2.312 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006237/0.6469, allocations: 485.4 kB / 0.9776 GB, free: 1.816 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001003/0.6479, allocations: 0.5996 MB / 0.9782 GB, free: 1.215 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005899/0.6485, allocations: 0.6067 MB / 0.9788 GB, free: 0.6055 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.0001615/0.6486, allocations: 136 kB / 0.979 GB, free: 484 kB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008751/0.6495, allocations: 0.5543 MB / 0.9795 GB, free: 15.92 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0002215/0.6497, allocations: 342.9 kB / 0.9798 GB, free: 15.58 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.0004028/0.6501, allocations: 0.6569 MB / 0.9805 GB, free: 14.92 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.001648/0.6518, allocations: 1.913 MB / 0.9823 GB, free: 13 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 4.829e-06/0.6518, allocations: 0 / 0.9823 GB, free: 13 MB / 0.7605 GB Notification: Performance of FrontEnd: time 1.563e-06/0.6518, allocations: 0 / 0.9823 GB, free: 13 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 3.542e-05/0.6518, allocations: 3.938 kB / 0.9823 GB, free: 13 MB / 0.7605 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 255 * Number of variables: 255 Notification: Performance of Generate backend data structure: time 0.00193/0.6537, allocations: 1.57 MB / 0.9839 GB, free: 11.39 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 4.469e-05/0.6538, allocations: 16.03 kB / 0.9839 GB, free: 11.38 MB / 0.7605 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001233/0.6539, allocations: 156.5 kB / 0.984 GB, free: 11.22 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004013/0.6579, allocations: 0.8935 MB / 0.9849 GB, free: 10.32 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001025/0.6589, allocations: 0.7841 MB / 0.9857 GB, free: 9.508 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.557e-05/0.659, allocations: 74.02 kB / 0.9857 GB, free: 9.434 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.16e-05/0.6591, allocations: 99.98 kB / 0.9858 GB, free: 9.336 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002042/0.6611, allocations: 1.359 MB / 0.9872 GB, free: 7.91 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.68e-05/0.6611, allocations: 4 kB / 0.9872 GB, free: 7.906 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.697e-05/0.6612, allocations: 44 kB / 0.9872 GB, free: 7.863 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.763e-05/0.6612, allocations: 24 kB / 0.9872 GB, free: 7.84 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00284/0.6641, allocations: 1.69 MB / 0.9889 GB, free: 6.145 MB / 0.7605 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004093/0.6682, allocations: 3.574 MB / 0.9924 GB, free: 2.418 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00344/0.6716, allocations: 1.487 MB / 0.9938 GB, free: 0.9258 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001175/0.6728, allocations: 0.5424 MB / 0.9944 GB, free: 388 kB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 5.754e-05/0.6728, allocations: 33.03 kB / 0.9944 GB, free: 356 kB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00148/0.6743, allocations: 0.8204 MB / 0.9952 GB, free: 15.5 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=92): time 2.535e-06/0.6743, allocations: 0 / 0.9952 GB, free: 15.5 MB / 0.7761 GB Notification: Performance of matching and sorting (n=92): time 0.004499/0.6788, allocations: 1.949 MB / 0.9971 GB, free: 13.55 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.768e-05/0.6789, allocations: 192.9 kB / 0.9973 GB, free: 13.32 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006812/0.6796, allocations: 0.7077 MB / 0.998 GB, free: 12.61 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 6.911e-05/0.6797, allocations: 53.58 kB / 0.998 GB, free: 12.55 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002691/0.6799, allocations: 457.1 kB / 0.9985 GB, free: 12.09 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003387/0.6803, allocations: 313.3 kB / 0.9988 GB, free: 11.79 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001911/0.6805, allocations: 182.5 kB / 0.9989 GB, free: 11.6 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 8.342e-05/0.6805, allocations: 345.9 kB / 0.9993 GB, free: 11.25 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001144/0.6817, allocations: 0.5132 MB / 0.9998 GB, free: 10.74 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001202/0.6829, allocations: 0.6194 MB / 1 GB, free: 10.09 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002161/0.685, allocations: 1.049 MB / 1.001 GB, free: 9.031 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.256e-06/0.685, allocations: 0 / 1.001 GB, free: 9.031 MB / 0.7761 GB Notification: Performance of matching and sorting (n=103) (initialization): time 0.002831/0.6879, allocations: 1.356 MB / 1.003 GB, free: 7.668 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 1.884e-05/0.6879, allocations: 6.5 kB / 1.003 GB, free: 7.664 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.424e-06/0.6879, allocations: 0 / 1.003 GB, free: 7.664 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002976/0.6882, allocations: 84.84 kB / 1.003 GB, free: 7.578 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007831/0.689, allocations: 275.6 kB / 1.003 GB, free: 7.309 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001317/0.6903, allocations: 1.542 MB / 1.005 GB, free: 5.645 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007917/0.6911, allocations: 183.4 kB / 1.005 GB, free: 5.465 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.585e-05/0.6911, allocations: 43.95 kB / 1.005 GB, free: 5.422 MB / 0.7761 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 18 (weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,incAng.decAng.tNext,$PRE.incAng.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (101): * Single equations (assignments): 100 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0003841/0.6915, allocations: 279.4 kB / 1.005 GB, free: 5.141 MB / 0.7761 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001293/0.6917, allocations: 95.39 kB / 1.005 GB, free: 5.047 MB / 0.7761 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00374/0.6954, allocations: 1.819 MB / 1.007 GB, free: 3.215 MB / 0.7761 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.534e-06/0.6954, allocations: 12 kB / 1.007 GB, free: 3.203 MB / 0.7761 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.534e-06/0.6954, allocations: 0 / 1.007 GB, free: 3.203 MB / 0.7761 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.845e-06/0.6954, allocations: 3.984 kB / 1.007 GB, free: 3.199 MB / 0.7761 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009643/0.6964, allocations: 1.138 MB / 1.008 GB, free: 2.016 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.208e-06/0.6964, allocations: 0 / 1.008 GB, free: 2.016 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007474/0.6971, allocations: 263.6 kB / 1.008 GB, free: 1.758 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002174/0.6974, allocations: 72.8 kB / 1.008 GB, free: 1.684 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.579e-05/0.6974, allocations: 35.95 kB / 1.008 GB, free: 1.648 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001128/0.6985, allocations: 1.559 MB / 1.01 GB, free: 15.97 MB / 0.7917 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.71e-07/0.6985, allocations: 0 / 1.01 GB, free: 15.97 MB / 0.7917 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002884/0.7014, allocations: 1.486 MB / 1.011 GB, free: 14.46 MB / 0.7917 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003449/0.7018, allocations: 235 kB / 1.012 GB, free: 14.23 MB / 0.7917 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.575e-05/0.7019, allocations: 24 kB / 1.012 GB, free: 14.21 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006991/0.7026, allocations: 151.8 kB / 1.012 GB, free: 14.06 MB / 0.7917 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001122/0.7027, allocations: 80.84 kB / 1.012 GB, free: 13.98 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.132e-05/0.7027, allocations: 47.95 kB / 1.012 GB, free: 13.93 MB / 0.7917 GB Notification: Performance of sorting global known variables: time 0.0004435/0.7032, allocations: 0.5107 MB / 1.012 GB, free: 13.43 MB / 0.7917 GB Notification: Performance of sort global known variables: time 7e-08/0.7032, allocations: 0 / 1.012 GB, free: 13.43 MB / 0.7917 GB Notification: Performance of remove unused functions: time 0.0008302/0.704, allocations: 371.1 kB / 1.013 GB, free: 13.06 MB / 0.7917 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 12 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of discrete states: 6 (incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (105): * Single equations (assignments): 98 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00388/0.7079, allocations: 2.546 MB / 1.015 GB, free: 10.7 MB / 0.7917 GB Notification: Performance of simCode: created initialization part: time 0.002734/0.7106, allocations: 1.339 MB / 1.017 GB, free: 9.348 MB / 0.7917 GB Notification: Performance of simCode: created event and clocks part: time 2.294e-06/0.7106, allocations: 0 / 1.017 GB, free: 9.348 MB / 0.7917 GB Notification: Performance of simCode: created simulation system equations: time 0.001388/0.712, allocations: 0.7695 MB / 1.017 GB, free: 8.566 MB / 0.7917 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006982/0.7127, allocations: 326.6 kB / 1.018 GB, free: 8.273 MB / 0.7917 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01213/0.7248, allocations: 8.31 MB / 1.026 GB, free: 15.81 MB / 0.8073 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004599/0.7253, allocations: 1.071 MB / 1.027 GB, free: 14.71 MB / 0.8073 GB Notification: Performance of simCode: alias equations: time 0.001088/0.7264, allocations: 383.4 kB / 1.027 GB, free: 14.33 MB / 0.8073 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005057/0.7269, allocations: 467.2 kB / 1.028 GB, free: 13.87 MB / 0.8073 GB Notification: Performance of SimCode: time 8.42e-07/0.7269, allocations: 0 / 1.028 GB, free: 13.87 MB / 0.8073 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04871/0.7756, allocations: 26.57 MB / 1.054 GB, free: 3.469 MB / 0.823 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.204/9.979, allocations: 3.938 kB / 1.054 GB, free: 3.465 MB / 0.823 GB " [Timeout remaining time 650] (rm -f IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; mkfifo IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe >> ../files/IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth_fmu --startTime=0 --stopTime=86400 --stepSize=34.56 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth.fmu > IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 13.030409903032705] Failed to read output from testmodel.py, exit status != 0: 10.138731799088418 10.146947245 9.493279898 Calling exit ...