Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.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 0.0008074/0.0008074, allocations: 76.55 kB / 19.92 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 0.0008704/0.0008704, allocations: 173.9 kB / 23.21 MB, free: 1.34 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 0.8925/0.8925, allocations: 177.1 MB / 203.5 MB, free: 5.734 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.5747/0.5747, allocations: 114 MB / 373.9 MB, free: 8.715 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_RelativeAirMass",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_RelativeAirMass",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 3.096e-06/3.096e-06, allocations: 0 / 0.5542 GB, free: 2.812 MB / 0.5105 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.796e-05/3.106e-05, allocations: 2.281 kB / 0.5542 GB, free: 2.809 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass): time 0.0062/0.006231, allocations: 4.639 MB / 0.5587 GB, free: 14.15 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.4694/0.4756, allocations: 132.8 MB / 0.6884 GB, free: 41.26 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008581/0.4765, allocations: 24.47 kB / 0.6884 GB, free: 41.26 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.0004852/0.477, allocations: 210 kB / 0.6886 GB, free: 41.26 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.001308/0.4783, allocations: 0.5957 MB / 0.6892 GB, free: 41.25 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.001451/0.4797, allocations: 0.8817 MB / 0.69 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.001041/0.4808, allocations: 1.537 MB / 0.6915 GB, free: 41.23 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005286/0.4813, allocations: 454.6 kB / 0.692 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006804/0.482, allocations: 0.7996 MB / 0.6927 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003726/0.4824, allocations: 444.5 kB / 0.6932 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0001062/0.4825, allocations: 133.5 kB / 0.6933 GB, free: 41.17 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007331/0.4832, allocations: 0.502 MB / 0.6938 GB, free: 41.16 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0002304/0.4834, allocations: 335.3 kB / 0.6941 GB, free: 41.16 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0002847/0.4837, allocations: 440.1 kB / 0.6945 GB, free: 41.16 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.001314/0.485, allocations: 1.916 MB / 0.6964 GB, free: 41.04 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 5.941e-06/0.485, allocations: 0 / 0.6964 GB, free: 41.04 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.934e-06/0.485, allocations: 2.906 kB / 0.6964 GB, free: 41.04 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 1.195e-05/0.485, allocations: 1.094 kB / 0.6964 GB, free: 41.04 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 245 * Number of variables: 245 Notification: Performance of Generate backend data structure: time 0.001545/0.4866, allocations: 1.496 MB / 0.6979 GB, free: 40.29 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 5.133e-05/0.4866, allocations: 11.97 kB / 0.6979 GB, free: 40.29 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001109/0.4867, allocations: 151.1 kB / 0.698 GB, free: 40.25 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009258/0.4877, allocations: 284.2 kB / 0.6983 GB, free: 40.17 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007909/0.4885, allocations: 0.7503 MB / 0.699 GB, free: 39.9 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.109e-05/0.4885, allocations: 72.78 kB / 0.6991 GB, free: 39.9 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.578e-05/0.4886, allocations: 104.8 kB / 0.6992 GB, free: 39.89 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001025/0.4896, allocations: 1.281 MB / 0.7004 GB, free: 39.44 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.611e-05/0.4896, allocations: 2.875 kB / 0.7004 GB, free: 39.44 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.454e-05/0.4897, allocations: 39.16 kB / 0.7005 GB, free: 39.44 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.341e-05/0.4897, allocations: 27.59 kB / 0.7005 GB, free: 39.44 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001056/0.4907, allocations: 1.133 MB / 0.7016 GB, free: 39.43 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002564/0.4933, allocations: 2.451 MB / 0.704 GB, free: 38.74 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001275/0.4946, allocations: 0.8938 MB / 0.7049 GB, free: 38.71 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003195/0.4949, allocations: 311.3 kB / 0.7052 GB, free: 38.7 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 5.428e-05/0.495, allocations: 25.75 kB / 0.7052 GB, free: 38.7 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005431/0.4955, allocations: 0.6267 MB / 0.7058 GB, free: 38.48 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=90): time 2.465e-06/0.4955, allocations: 0 / 0.7058 GB, free: 38.48 MB / 0.6355 GB Notification: Performance of matching and sorting (n=90): time 0.001772/0.4973, allocations: 1.215 MB / 0.707 GB, free: 38.36 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.453e-05/0.4973, allocations: 205.6 kB / 0.7072 GB, free: 38.14 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005222/0.4979, allocations: 0.6665 MB / 0.7078 GB, free: 38.01 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 4.672e-05/0.4979, allocations: 46.58 kB / 0.7079 GB, free: 37.98 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.000177/0.4981, allocations: 442.6 kB / 0.7083 GB, free: 37.78 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001047/0.4982, allocations: 297.4 kB / 0.7086 GB, free: 37.59 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001419/0.4983, allocations: 166 kB / 0.7088 GB, free: 37.57 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 7.315e-05/0.4984, allocations: 395.5 kB / 0.7091 GB, free: 37.25 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003222/0.4987, allocations: 285.1 kB / 0.7094 GB, free: 37.25 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000393/0.4991, allocations: 0.5182 MB / 0.7099 GB, free: 37.01 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006754/0.4998, allocations: 0.6454 MB / 0.7105 GB, free: 36.96 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.226e-06/0.4998, allocations: 1.203 kB / 0.7105 GB, free: 36.96 MB / 0.6355 GB Notification: Performance of matching and sorting (n=103) (initialization): time 0.001099/0.5009, allocations: 0.9006 MB / 0.7114 GB, free: 36.84 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.979e-05/0.5009, allocations: 7.281 kB / 0.7114 GB, free: 36.84 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.935e-06/0.5009, allocations: 0 / 0.7114 GB, free: 36.84 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002985/0.5012, allocations: 84.81 kB / 0.7115 GB, free: 36.83 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003413/0.5016, allocations: 164.3 kB / 0.7117 GB, free: 36.83 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001131/0.5027, allocations: 1.524 MB / 0.7131 GB, free: 35.57 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004095/0.5031, allocations: 105.2 kB / 0.7133 GB, free: 35.53 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.244e-05/0.5031, allocations: 33.33 kB / 0.7133 GB, free: 35.53 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 25 (weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * 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 0.0003553/0.5035, allocations: 275 kB / 0.7135 GB, free: 35.41 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001063/0.5036, allocations: 100.8 kB / 0.7136 GB, free: 35.36 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001326/0.5049, allocations: 1.123 MB / 0.7147 GB, free: 35.23 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.522e-06/0.5049, allocations: 15.22 kB / 0.7148 GB, free: 35.23 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.215e-06/0.5049, allocations: 0 / 0.7148 GB, free: 35.23 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.605e-06/0.5049, allocations: 7.078 kB / 0.7148 GB, free: 35.23 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002102/0.507, allocations: 2.089 MB / 0.7168 GB, free: 34.82 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.536e-06/0.507, allocations: 2.062 kB / 0.7168 GB, free: 34.82 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003051/0.5074, allocations: 158.5 kB / 0.717 GB, free: 34.82 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002039/0.5076, allocations: 74.64 kB / 0.717 GB, free: 34.81 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.948e-05/0.5076, allocations: 27.3 kB / 0.717 GB, free: 34.81 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009161/0.5085, allocations: 1.548 MB / 0.7186 GB, free: 33.56 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.154e-06/0.5085, allocations: 3.984 kB / 0.7186 GB, free: 33.55 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001358/0.5099, allocations: 1.061 MB / 0.7196 GB, free: 33.33 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003238/0.5102, allocations: 210.1 kB / 0.7198 GB, free: 33.27 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.294e-05/0.5103, allocations: 24.56 kB / 0.7198 GB, free: 33.27 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003676/0.5106, allocations: 71.89 kB / 0.7199 GB, free: 33.26 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001343/0.5108, allocations: 77.31 kB / 0.72 GB, free: 33.26 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.119e-05/0.5108, allocations: 37.06 kB / 0.72 GB, free: 33.26 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0006036/0.5114, allocations: 485.2 kB / 0.7205 GB, free: 33.17 MB / 0.6355 GB Notification: Performance of sort global known variables: time 6.1e-08/0.5114, allocations: 0 / 0.7205 GB, free: 33.17 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0008845/0.5123, allocations: 349 kB / 0.7208 GB, free: 33.11 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k) * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (101): * Single equations (assignments): 90 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.002346/0.5147, allocations: 2.178 MB / 0.7229 GB, free: 32.26 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.001213/0.5159, allocations: 0.8355 MB / 0.7237 GB, free: 32.12 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.485e-06/0.5159, allocations: 1.203 kB / 0.7237 GB, free: 32.12 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0005504/0.5164, allocations: 0.5166 MB / 0.7242 GB, free: 32 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007707/0.5172, allocations: 303.5 kB / 0.7245 GB, free: 31.99 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007894/0.5251, allocations: 6.781 MB / 0.7312 GB, free: 29.96 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00049/0.5256, allocations: 467 kB / 0.7316 GB, free: 29.83 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0007927/0.5264, allocations: 281.1 kB / 0.7319 GB, free: 29.75 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005089/0.5269, allocations: 429.2 kB / 0.7323 GB, free: 29.68 MB / 0.6355 GB Notification: Performance of SimCode: time 2.235e-06/0.5269, allocations: 0 / 0.7323 GB, free: 29.68 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04764/0.5745, allocations: 24.98 MB / 0.7567 GB, free: 26.31 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.492/9.066, allocations: 4 kB / 0.7567 GB, free: 26.31 MB / 0.6355 GB " [Timeout remaining time 651] (rm -f IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.pipe ; mkfifo IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.pipe >> ../files/IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass_res.csv --start-time 0 --stop-time 864000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 345.6 IBPSA_latest_IBPSA_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_RelativeAirMass.fmu > IBPSA_latest_IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.RelativeAirMass.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 11.847071048803627] Failed to read output from testmodel.py, exit status != 0: 9.225294643081725 9.23990499 8.752129226 Calling exit ...