Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.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 0.0008293/0.0008293, allocations: 105.5 kB / 18.95 MB, free: 1.188 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 0.0009478/0.0009478, allocations: 208.6 kB / 22.25 MB, free: 3.59 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 0.9693/0.9693, allocations: 230.6 MB / 256 MB, free: 9.602 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.0384/0.0384, allocations: 12.2 MB / 324.6 MB, free: 6.082 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.000461/0.000461, allocations: 23.91 kB / 384.1 MB, free: 10.51 MB / 314.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.0/package.mo): time 1.708/1.708, allocations: 353.8 MB / 0.7787 GB, free: 4.605 MB / 0.5105 GB " [Timeout remaining time 178] Using package AixLib with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.0/package.mo) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/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(AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage,fileNamePrefix="AixLib_AixLib_Controls_OBC_CDL_Reals_Validation_MovingAverage",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage,fileNamePrefix="AixLib_AixLib_Controls_OBC_CDL_Reals_Validation_MovingAverage",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: AixLib requested package Modelica_DeviceDrivers of version 2.1.1. Modelica_DeviceDrivers 2.2.0 is used instead which states that it is fully compatible without conversion script needed. Notification: AixLib 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 0.00141/0.00141, allocations: 113.9 kB / 1.06 GB, free: 24.88 MB / 0.7137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.226/0.2274, allocations: 134.9 MB / 1.192 GB, free: 7.477 MB / 0.823 GB Notification: Performance of NFInst.instantiate(AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage): time 0.001651/0.229, allocations: 1.015 MB / 1.193 GB, free: 6.461 MB / 0.823 GB Notification: Performance of NFInst.instExpressions: time 0.001005/0.23, allocations: 1.137 MB / 1.194 GB, free: 5.312 MB / 0.823 GB Notification: Performance of NFInst.updateImplicitVariability: time 6.759e-05/0.2301, allocations: 4 kB / 1.194 GB, free: 5.309 MB / 0.823 GB Notification: Performance of NFTyping.typeComponents: time 4.383e-05/0.2301, allocations: 19.69 kB / 1.194 GB, free: 5.289 MB / 0.823 GB Notification: Performance of NFTyping.typeBindings: time 8.385e-05/0.2302, allocations: 43.58 kB / 1.194 GB, free: 5.246 MB / 0.823 GB Notification: Performance of NFTyping.typeClassSections: time 0.0003812/0.2306, allocations: 155.7 kB / 1.194 GB, free: 5.094 MB / 0.823 GB Notification: Performance of NFFlatten.flatten: time 0.0002366/0.2308, allocations: 331.1 kB / 1.194 GB, free: 4.77 MB / 0.823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001293/0.231, allocations: 32.56 kB / 1.194 GB, free: 4.734 MB / 0.823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002083/0.2312, allocations: 139.7 kB / 1.195 GB, free: 4.598 MB / 0.823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001364/0.2313, allocations: 135.3 kB / 1.195 GB, free: 4.465 MB / 0.823 GB Notification: Performance of NFPackage.collectConstants: time 3.081e-05/0.2313, allocations: 28 kB / 1.195 GB, free: 4.438 MB / 0.823 GB Notification: Performance of NFFlatten.collectFunctions: time 5.127e-05/0.2314, allocations: 32 kB / 1.195 GB, free: 4.406 MB / 0.823 GB Notification: Performance of NFScalarize.scalarize: time 4.501e-05/0.2314, allocations: 75.8 kB / 1.195 GB, free: 4.332 MB / 0.823 GB Notification: Performance of NFVerifyModel.verify: time 7.197e-05/0.2315, allocations: 123.5 kB / 1.195 GB, free: 4.211 MB / 0.823 GB Notification: Performance of NFConvertDAE.convert: time 0.0002496/0.2318, allocations: 319 kB / 1.195 GB, free: 3.898 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 3.186e-06/0.2318, allocations: 0 / 1.195 GB, free: 3.898 MB / 0.823 GB Notification: Performance of FrontEnd: time 1.502e-06/0.2318, allocations: 0 / 1.195 GB, free: 3.898 MB / 0.823 GB Notification: Performance of Transformations before backend: time 6.722e-06/0.2318, allocations: 0 / 1.195 GB, free: 3.898 MB / 0.823 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 48 * Number of variables: 48 Notification: Performance of Generate backend data structure: time 0.0007634/0.2325, allocations: 0.5598 MB / 1.196 GB, free: 3.309 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 4.104e-05/0.2326, allocations: 12.03 kB / 1.196 GB, free: 3.297 MB / 0.823 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.511e-05/0.2326, allocations: 54.73 kB / 1.196 GB, free: 3.234 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001839/0.2328, allocations: 64.64 kB / 1.196 GB, free: 3.172 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 9.247e-05/0.2329, allocations: 143 kB / 1.196 GB, free: 3.004 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002089/0.2331, allocations: 0.4996 MB / 1.197 GB, free: 2.395 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001832/0.2333, allocations: 24.38 kB / 1.197 GB, free: 2.371 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003118/0.2336, allocations: 262.1 kB / 1.197 GB, free: 2.102 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.345e-05/0.2336, allocations: 4 kB / 1.197 GB, free: 2.098 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.728e-05/0.2336, allocations: 8 kB / 1.197 GB, free: 2.09 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.442e-06/0.2336, allocations: 4 kB / 1.197 GB, free: 2.086 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002509/0.2339, allocations: 179.8 kB / 1.197 GB, free: 1.91 MB / 0.823 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007216/0.2346, allocations: 0.6949 MB / 1.198 GB, free: 1.164 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003096/0.2349, allocations: 193.6 kB / 1.198 GB, free: 0.9492 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001473/0.2351, allocations: 130.5 kB / 1.198 GB, free: 0.8125 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 3.076e-05/0.2351, allocations: 8 kB / 1.198 GB, free: 0.8047 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003771/0.2355, allocations: 323.3 kB / 1.198 GB, free: 480 kB / 0.823 GB Notification: Performance of pre-optimization done (n=48): time 2.385e-06/0.2355, allocations: 0 / 1.198 GB, free: 480 kB / 0.823 GB Notification: Performance of matching and sorting (n=48): time 0.0006327/0.2361, allocations: 487.8 kB / 1.199 GB, free: 15.99 MB / 0.8387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.677e-05/0.2362, allocations: 114.8 kB / 1.199 GB, free: 15.85 MB / 0.8387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001049/0.2363, allocations: 175.5 kB / 1.199 GB, free: 15.67 MB / 0.8387 GB Notification: Performance of collectPreVariables (initialization): time 2.856e-05/0.2363, allocations: 45.64 kB / 1.199 GB, free: 15.62 MB / 0.8387 GB Notification: Performance of collectInitialEqns (initialization): time 5.099e-05/0.2364, allocations: 121.3 kB / 1.199 GB, free: 15.5 MB / 0.8387 GB Notification: Performance of collectInitialBindings (initialization): time 7.984e-05/0.2364, allocations: 158.8 kB / 1.199 GB, free: 15.34 MB / 0.8387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.031e-05/0.2365, allocations: 106.3 kB / 1.199 GB, free: 15.23 MB / 0.8387 GB Notification: Performance of setup shared object (initialization): time 8.605e-05/0.2366, allocations: 338.8 kB / 1.2 GB, free: 14.89 MB / 0.8387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001819/0.2368, allocations: 149.2 kB / 1.2 GB, free: 14.74 MB / 0.8387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002235/0.237, allocations: 256.7 kB / 1.2 GB, free: 14.45 MB / 0.8387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003745/0.2374, allocations: 394.1 kB / 1.201 GB, free: 14.03 MB / 0.8387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.357e-06/0.2374, allocations: 4 kB / 1.201 GB, free: 14.03 MB / 0.8387 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.0004884/0.2379, allocations: 485.6 kB / 1.201 GB, free: 13.55 MB / 0.8387 GB Notification: Performance of prepare postOptimizeDAE: time 1.912e-05/0.2379, allocations: 11.94 kB / 1.201 GB, free: 13.54 MB / 0.8387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.095e-06/0.2379, allocations: 8 kB / 1.201 GB, free: 13.53 MB / 0.8387 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.537e-05/0.2379, allocations: 4 kB / 1.201 GB, free: 13.52 MB / 0.8387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002017/0.2381, allocations: 99.77 kB / 1.201 GB, free: 13.43 MB / 0.8387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.176e-06/0.2381, allocations: 4 kB / 1.201 GB, free: 13.42 MB / 0.8387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001279/0.2383, allocations: 63.69 kB / 1.201 GB, free: 13.36 MB / 0.8387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.098e-05/0.2383, allocations: 23.98 kB / 1.201 GB, free: 13.34 MB / 0.8387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 27 (movAve1.mode,$PRE.movAve1.mode,$whenCondition5,movAve2.mode,$PRE.movAve2.mode,$whenCondition6,movAve3.mode,$PRE.movAve3.mode,$whenCondition7,movAve4.mode,$PRE.movAve4.mode,$whenCondition8,movAve5.mode,$PRE.movAve5.mode,$whenCondition9,movAve6.mode,$PRE.movAve6.mode,$whenCondition3,movAve7.mode,$PRE.movAve7.mode,$whenCondition4,movAve8.mode,$PRE.movAve8.mode,$whenCondition1,movAve9.mode,$PRE.movAve9.mode,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (75): * Single equations (assignments): 75 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001134/0.2384, allocations: 163.5 kB / 1.201 GB, free: 13.17 MB / 0.8387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.85e-05/0.2384, allocations: 31.75 kB / 1.201 GB, free: 13.14 MB / 0.8387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.3e-05/0.2385, allocations: 33.95 kB / 1.201 GB, free: 13.1 MB / 0.8387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.278e-06/0.2385, allocations: 4 kB / 1.201 GB, free: 13.09 MB / 0.8387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.813e-06/0.2385, allocations: 4 kB / 1.201 GB, free: 13.09 MB / 0.8387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.819e-06/0.2385, allocations: 0 / 1.201 GB, free: 13.09 MB / 0.8387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002094/0.2387, allocations: 284.4 kB / 1.202 GB, free: 12.77 MB / 0.8387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.933e-06/0.2387, allocations: 0 / 1.202 GB, free: 12.77 MB / 0.8387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001998/0.2389, allocations: 75.89 kB / 1.202 GB, free: 12.7 MB / 0.8387 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.99e-06/0.2389, allocations: 7.938 kB / 1.202 GB, free: 12.69 MB / 0.8387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.083e-05/0.2389, allocations: 8 kB / 1.202 GB, free: 12.68 MB / 0.8387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.335e-06/0.2389, allocations: 0 / 1.202 GB, free: 12.68 MB / 0.8387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.556e-06/0.2389, allocations: 7.984 kB / 1.202 GB, free: 12.67 MB / 0.8387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006544/0.2396, allocations: 0.5861 MB / 1.202 GB, free: 12.06 MB / 0.8387 GB Notification: Performance of postOpt removeConstants (simulation): time 2.137e-05/0.2396, allocations: 31.69 kB / 1.202 GB, free: 12.03 MB / 0.8387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.784e-05/0.2396, allocations: 12 kB / 1.202 GB, free: 12.02 MB / 0.8387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.899e-05/0.2397, allocations: 27.97 kB / 1.202 GB, free: 11.99 MB / 0.8387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.929e-05/0.2398, allocations: 55.91 kB / 1.202 GB, free: 11.93 MB / 0.8387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.707e-05/0.2398, allocations: 16.17 kB / 1.202 GB, free: 11.92 MB / 0.8387 GB Notification: Performance of sorting global known variables: time 6.049e-05/0.2399, allocations: 128.1 kB / 1.203 GB, free: 11.79 MB / 0.8387 GB Notification: Performance of sort global known variables: time 5e-08/0.2399, allocations: 3.938 kB / 1.203 GB, free: 11.79 MB / 0.8387 GB Notification: Performance of remove unused functions: time 0.0002092/0.2401, allocations: 72 kB / 1.203 GB, free: 11.72 MB / 0.8387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 9 (movAve1.mu,movAve2.mu,movAve3.mu,movAve4.mu,movAve5.mu,movAve6.mu,movAve7.mu,movAve8.mu,movAve9.mu) * Number of discrete variables: 18 ($whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,movAve1.mode,movAve2.mode,movAve3.mode,movAve4.mode,movAve5.mode,$whenCondition4,$whenCondition3,movAve6.mode,movAve7.mode,$whenCondition2,$whenCondition1,movAve8.mode,movAve9.mode) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 9 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0009899/0.2411, allocations: 1.157 MB / 1.204 GB, free: 10.53 MB / 0.8387 GB Notification: Performance of simCode: created initialization part: time 0.0004613/0.2416, allocations: 370.7 kB / 1.204 GB, free: 10.17 MB / 0.8387 GB Notification: Performance of simCode: created event and clocks part: time 2.114e-06/0.2416, allocations: 0 / 1.204 GB, free: 10.17 MB / 0.8387 GB Notification: Performance of simCode: created simulation system equations: time 0.0002151/0.2418, allocations: 180.7 kB / 1.204 GB, free: 9.992 MB / 0.8387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002418/0.242, allocations: 47.45 kB / 1.204 GB, free: 9.949 MB / 0.8387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002647/0.2447, allocations: 3.167 MB / 1.207 GB, free: 6.621 MB / 0.8387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 8.678e-05/0.2448, allocations: 152.2 kB / 1.208 GB, free: 6.457 MB / 0.8387 GB Notification: Performance of simCode: alias equations: time 0.0001106/0.2449, allocations: 42.95 kB / 1.208 GB, free: 6.414 MB / 0.8387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001279/0.245, allocations: 91.41 kB / 1.208 GB, free: 6.324 MB / 0.8387 GB Notification: Performance of SimCode: time 9.12e-07/0.245, allocations: 0 / 1.208 GB, free: 6.324 MB / 0.8387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02325/0.2682, allocations: 7.326 MB / 1.215 GB, free: 15.18 MB / 0.8543 GB Notification: Performance of buildModelFMU: Generate platform static: time 6.625/6.893, allocations: 5.953 kB / 1.215 GB, free: 15.18 MB / 0.8543 GB " [Timeout remaining time 653] (rm -f AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.pipe ; mkfifo AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.pipe ; head -c 1048576 < AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.pipe >> ../files/AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_AixLib_AixLib_Controls_OBC_CDL_Reals_Validation_MovingAverage_fmu --startTime=0 --stopTime=900 --stepSize=0.36 --timeout=50 --tolerance=1e-06 AixLib_AixLib_Controls_OBC_CDL_Reals_Validation_MovingAverage.fmu > AixLib_AixLib.Controls.OBC.CDL.Reals.Validation.MovingAverage.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 11.316596216522157] Failed to read output from testmodel.py, exit status != 0: 6.974445912986994 6.984446833 6.75078244 Calling exit ...