Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.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 0.001397/0.001397, allocations: 97.88 kB / 19.73 MB, free: 2.117 MB / 14.72 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 0.001587/0.001587, allocations: 212.7 kB / 23.03 MB, free: 4.922 MB / 14.72 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 1.492/1.492, allocations: 230.6 MB / 256.8 MB, free: 7.801 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.356/3.356, allocations: 0.49 GB / 0.7959 GB, free: 35.4 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated,fileNamePrefix="Buildings_12_Buildings_Templates_Plants_Controls_Pumps_Primary_Validation_DisableDedicated",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated,fileNamePrefix="Buildings_12_Buildings_Templates_Plants_Controls_Pumps_Primary_Validation_DisableDedicated",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings 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 0.002842/0.002842, allocations: 63.12 kB / 1.155 GB, free: 25.49 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3745/0.3774, allocations: 176.1 MB / 1.327 GB, free: 1.559 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated): time 0.002528/0.3799, allocations: 1.057 MB / 1.328 GB, free: 0.5039 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.002467/0.3824, allocations: 1.548 MB / 1.329 GB, free: 14.94 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000122/0.3825, allocations: 4 kB / 1.329 GB, free: 14.94 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0001569/0.3827, allocations: 35.59 kB / 1.329 GB, free: 14.9 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001175/0.3828, allocations: 51.58 kB / 1.329 GB, free: 14.85 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.001161/0.3839, allocations: 494.8 kB / 1.33 GB, free: 14.38 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0007059/0.3846, allocations: 0.5577 MB / 1.33 GB, free: 13.82 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002701/0.3849, allocations: 109.2 kB / 1.33 GB, free: 13.71 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002594/0.3852, allocations: 231.5 kB / 1.331 GB, free: 13.48 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003171/0.3855, allocations: 215.2 kB / 1.331 GB, free: 13.27 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 9.848e-05/0.3856, allocations: 56 kB / 1.331 GB, free: 13.22 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00014/0.3857, allocations: 71.97 kB / 1.331 GB, free: 13.15 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 9.731e-05/0.3858, allocations: 79.77 kB / 1.331 GB, free: 13.07 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0002342/0.3861, allocations: 191.4 kB / 1.331 GB, free: 12.88 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0007407/0.3868, allocations: 0.5684 MB / 1.332 GB, free: 12.31 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 3.918e-06/0.3868, allocations: 0 / 1.332 GB, free: 12.31 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.482e-06/0.3868, allocations: 0 / 1.332 GB, free: 12.31 MB / 1.029 GB Notification: Performance of Transformations before backend: time 1.236e-05/0.3868, allocations: 4 kB / 1.332 GB, free: 12.31 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 58 * Number of variables: 58 Notification: Performance of Generate backend data structure: time 0.001134/0.388, allocations: 0.6465 MB / 1.332 GB, free: 11.6 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.157e-05/0.388, allocations: 12.03 kB / 1.332 GB, free: 11.59 MB / 1.029 GB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 1.975e-05/0.388, allocations: 4.688 kB / 1.332 GB, free: 11.59 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.799e-05/0.3881, allocations: 66.72 kB / 1.332 GB, free: 11.51 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001148/0.3882, allocations: 44.75 kB / 1.332 GB, free: 11.47 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005337/0.3887, allocations: 242.5 kB / 1.333 GB, free: 11.21 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.877e-05/0.3888, allocations: 32.81 kB / 1.333 GB, free: 11.18 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.748e-05/0.3889, allocations: 48.36 kB / 1.333 GB, free: 11.13 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004732/0.3893, allocations: 252.3 kB / 1.333 GB, free: 10.88 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.032e-05/0.3893, allocations: 0 / 1.333 GB, free: 10.88 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.978e-05/0.3894, allocations: 15.98 kB / 1.333 GB, free: 10.86 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.488e-06/0.3894, allocations: 11.94 kB / 1.333 GB, free: 10.85 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003224/0.3897, allocations: 161.9 kB / 1.333 GB, free: 10.69 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001471/0.3912, allocations: 0.7671 MB / 1.334 GB, free: 9.875 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004715/0.3917, allocations: 198.7 kB / 1.334 GB, free: 9.672 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001848/0.3918, allocations: 76.75 kB / 1.334 GB, free: 9.594 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 2.35e-05/0.3919, allocations: 11.94 kB / 1.334 GB, free: 9.582 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004342/0.3923, allocations: 241.3 kB / 1.334 GB, free: 9.332 MB / 1.029 GB Notification: Performance of pre-optimization done (n=34): time 1.984e-06/0.3923, allocations: 0 / 1.334 GB, free: 9.332 MB / 1.029 GB Notification: Performance of matching and sorting (n=34): time 0.000876/0.3932, allocations: 450.8 kB / 1.335 GB, free: 8.887 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.813e-05/0.3932, allocations: 67.38 kB / 1.335 GB, free: 8.809 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002168/0.3934, allocations: 206.6 kB / 1.335 GB, free: 8.594 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 7.66e-05/0.3935, allocations: 45.7 kB / 1.335 GB, free: 8.543 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001454/0.3937, allocations: 156.8 kB / 1.335 GB, free: 8.387 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 7.235e-05/0.3937, allocations: 71.48 kB / 1.335 GB, free: 8.316 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002657/0.394, allocations: 138 kB / 1.336 GB, free: 8.172 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001625/0.3942, allocations: 330.8 kB / 1.336 GB, free: 7.84 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004477/0.3946, allocations: 287.5 kB / 1.336 GB, free: 7.535 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005052/0.3951, allocations: 380.4 kB / 1.336 GB, free: 7.102 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005997/0.3957, allocations: 431.4 kB / 1.337 GB, free: 6.621 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.126e-06/0.3957, allocations: 0 / 1.337 GB, free: 6.621 MB / 1.029 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.001238/0.397, allocations: 0.7447 MB / 1.338 GB, free: 5.82 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 0.000114/0.3971, allocations: 134.8 kB / 1.338 GB, free: 5.664 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.674e-06/0.3971, allocations: 4.281 kB / 1.338 GB, free: 5.66 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.104e-05/0.3971, allocations: 4 kB / 1.338 GB, free: 5.656 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001059/0.3972, allocations: 31.86 kB / 1.338 GB, free: 5.625 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.165e-05/0.3972, allocations: 4 kB / 1.338 GB, free: 5.621 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000696/0.3979, allocations: 123.7 kB / 1.338 GB, free: 5.5 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001185/0.398, allocations: 35.97 kB / 1.338 GB, free: 5.465 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 43 ($whenCondition14,$whenCondition15,$whenCondition5,$whenCondition6,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,enaDedReq.ini.y,enaDedReq.lat.y,enaDed.ini.y,enaDed.lat.y,y1.y,$PRE.y1.y,$whenCondition10,$whenCondition11,$whenCondition13,y1EquLea.y,$PRE.y1EquLea.y,y1ReqEquLea.y,$PRE.y1ReqEquLea.y,enaDedReq.edg.y,enaDedReq.edg.u,$PRE.enaDedReq.edg.u,enaDedReq.timOff.passed,$PRE.enaDedReq.timOff.passed,enaDedReq.offOrNotReq.y,enaDed.edg.y,enaDed.edg.u,$PRE.enaDed.edg.u,enaDed.timOff.passed,$PRE.enaDed.timOff.passed,y1EquLea_actual.y,$PRE.y1EquLea_actual.y,enaDedReq.timOff.entryTime,$PRE.enaDedReq.timOff.entryTime,enaDed.timOff.entryTime,$PRE.enaDed.timOff.entryTime,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition12,enaDed.fal.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (45): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 4 * 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 0.0002459/0.3983, allocations: 165.8 kB / 1.338 GB, free: 5.297 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.214e-05/0.3983, allocations: 31.78 kB / 1.338 GB, free: 5.266 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.564e-05/0.3984, allocations: 26.66 kB / 1.338 GB, free: 5.238 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.821e-06/0.3984, allocations: 4 kB / 1.338 GB, free: 5.234 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.931e-06/0.3984, allocations: 3.938 kB / 1.338 GB, free: 5.23 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.015e-06/0.3984, allocations: 11.97 kB / 1.338 GB, free: 5.219 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001081/0.3995, allocations: 0.7087 MB / 1.339 GB, free: 4.457 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.214e-06/0.3995, allocations: 0 / 1.339 GB, free: 4.457 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.857e-05/0.3996, allocations: 15.98 kB / 1.339 GB, free: 4.441 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.731e-06/0.3996, allocations: 4 kB / 1.339 GB, free: 4.438 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.987e-05/0.3996, allocations: 15.92 kB / 1.339 GB, free: 4.422 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.136e-06/0.3996, allocations: 0 / 1.339 GB, free: 4.422 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.507e-06/0.3996, allocations: 4 kB / 1.339 GB, free: 4.418 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006083/0.4002, allocations: 445.9 kB / 1.339 GB, free: 3.969 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 3.568e-05/0.4003, allocations: 27.73 kB / 1.339 GB, free: 3.941 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.933e-05/0.4003, allocations: 12 kB / 1.339 GB, free: 3.93 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001351/0.4004, allocations: 19.97 kB / 1.339 GB, free: 3.91 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.595e-05/0.4005, allocations: 27.95 kB / 1.339 GB, free: 3.883 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.184e-05/0.4006, allocations: 19.98 kB / 1.339 GB, free: 3.863 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.000117/0.4007, allocations: 132.3 kB / 1.34 GB, free: 3.734 MB / 1.029 GB Notification: Performance of sort global known variables: time 7e-08/0.4007, allocations: 0 / 1.34 GB, free: 3.734 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0004618/0.4012, allocations: 107.8 kB / 1.34 GB, free: 3.629 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 32 (enaDed.ini.y,enaDedReq.ini.y,$whenCondition14,$whenCondition15,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition5,$whenCondition6,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,y1.y,enaDed.lat.y,enaDed.timOff.passed,enaDed.timOff.entryTime,enaDed.edg.u,enaDed.edg.y,enaDedReq.lat.y,enaDedReq.offOrNotReq.y,enaDedReq.timOff.passed,enaDedReq.timOff.entryTime,enaDedReq.edg.u,enaDedReq.edg.y,y1ReqEquLea.y,y1EquLea.y,y1EquLea_actual.y) * Number of discrete states: 4 (enaDedReq.timOff.entryTime,enaDed.timOff.entryTime,enaDedReq.edg.u,enaDed.edg.u) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (34): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.001194/0.4023, allocations: 1.004 MB / 1.341 GB, free: 2.598 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.001216/0.4036, allocations: 0.6859 MB / 1.341 GB, free: 1.84 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.766e-06/0.4036, allocations: 0 / 1.341 GB, free: 1.84 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0002359/0.4038, allocations: 132.3 kB / 1.341 GB, free: 1.711 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000437/0.4042, allocations: 49.72 kB / 1.341 GB, free: 1.664 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005599/0.4098, allocations: 3.84 MB / 1.345 GB, free: 13.54 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001547/0.41, allocations: 147.5 kB / 1.345 GB, free: 13.38 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.0001055/0.4101, allocations: 30.22 kB / 1.345 GB, free: 13.35 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001554/0.4103, allocations: 87.41 kB / 1.346 GB, free: 13.27 MB / 1.045 GB Notification: Performance of SimCode: time 7.31e-07/0.4103, allocations: 192 / 1.346 GB, free: 13.27 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03528/0.4455, allocations: 8.047 MB / 1.353 GB, free: 5.488 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.8/12.25, allocations: 5.969 kB / 1.353 GB, free: 5.484 MB / 1.045 GB " [Timeout remaining time 288] (rm -f Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.pipe ; mkfifo Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.pipe ; head -c 1048576 < Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.pipe >> ../files/Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated_res.mat --tempDir=temp_Buildings_12_Buildings_Templates_Plants_Controls_Pumps_Primary_Validation_DisableDedicated_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Templates_Plants_Controls_Pumps_Primary_Validation_DisableDedicated.fmu > Buildings_12_Buildings.Templates.Plants.Controls.Pumps.Primary.Validation.DisableDedicated.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 19.249970438075252] Failed to read output from testmodel.py, exit status != 0: 12.424166413024068 12.449435706 12.058891571 Calling exit ...