Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.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 0.0007866/0.0007866, allocations: 80.45 kB / 19.15 MB, free: 0.7734 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 0.0008163/0.0008163, allocations: 162 kB / 22.43 MB, free: 2.145 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 0.8666/0.8666, allocations: 177.2 MB / 202.8 MB, free: 5.785 MB / 186.7 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:531:21-531:686: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:531:21-531:694:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.7043/0.7043, allocations: 154.9 MB / 414.2 MB, free: 496 kB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [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.Controls.OBC.CDL.Logical.Validation.Xor,fileNamePrefix="IDEAS_dev_IDEAS_Controls_OBC_CDL_Logical_Validation_Xor",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Controls.OBC.CDL.Logical.Validation.Xor,fileNamePrefix="IDEAS_dev_IDEAS_Controls_OBC_CDL_Logical_Validation_Xor",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 0.0009007/0.0009007, allocations: 72.92 kB / 0.6186 GB, free: 13.27 MB / 0.5886 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. Notification: Performance of FrontEnd - Absyn->SCode: time 0.4966/0.4975, allocations: 102 MB / 0.7182 GB, free: 23.18 MB / 0.6355 GB Notification: Performance of NFInst.instantiate(IDEAS.Controls.OBC.CDL.Logical.Validation.Xor): time 0.001468/0.4989, allocations: 0.6264 MB / 0.7188 GB, free: 22.8 MB / 0.6355 GB Notification: Performance of NFInst.instExpressions: time 0.001102/0.5, allocations: 1.217 MB / 0.72 GB, free: 21.93 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 4.577e-05/0.5001, allocations: 1.031 kB / 0.72 GB, free: 21.93 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 3.417e-05/0.5001, allocations: 4.547 kB / 0.72 GB, free: 21.92 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 7.604e-05/0.5002, allocations: 7.766 kB / 0.72 GB, free: 21.92 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005335/0.5007, allocations: 226.2 kB / 0.7202 GB, free: 21.8 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0002079/0.5009, allocations: 177.8 kB / 0.7204 GB, free: 21.73 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001073/0.5011, allocations: 5.281 kB / 0.7204 GB, free: 21.73 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001313/0.5012, allocations: 102.8 kB / 0.7205 GB, free: 21.68 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001289/0.5013, allocations: 52.45 kB / 0.7206 GB, free: 21.66 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 2.912e-05/0.5013, allocations: 19.41 kB / 0.7206 GB, free: 21.66 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 7.455e-05/0.5014, allocations: 28.25 kB / 0.7206 GB, free: 21.66 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 2.479e-05/0.5014, allocations: 10.19 kB / 0.7206 GB, free: 21.65 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 7.036e-05/0.5015, allocations: 56.08 kB / 0.7207 GB, free: 21.62 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.0002507/0.5018, allocations: 187.3 kB / 0.7209 GB, free: 21.55 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.979e-06/0.5018, allocations: 0 / 0.7209 GB, free: 21.55 MB / 0.6355 GB Notification: Performance of FrontEnd: time 2.013e-06/0.5018, allocations: 1.156 kB / 0.7209 GB, free: 21.55 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 6.402e-06/0.5018, allocations: 0.7969 kB / 0.7209 GB, free: 21.55 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: 5 * Number of variables: 5 Notification: Performance of Generate backend data structure: time 0.0004581/0.5022, allocations: 357.9 kB / 0.7212 GB, free: 21.21 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 4.735e-05/0.5023, allocations: 10.81 kB / 0.7212 GB, free: 21.21 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.154e-05/0.5023, allocations: 41.58 kB / 0.7212 GB, free: 21.16 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.273e-05/0.5024, allocations: 12.77 kB / 0.7213 GB, free: 21.16 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 6.992e-05/0.5024, allocations: 110.8 kB / 0.7214 GB, free: 21.03 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.609e-05/0.5024, allocations: 8.75 kB / 0.7214 GB, free: 21.02 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.627e-05/0.5025, allocations: 11.09 kB / 0.7214 GB, free: 21.02 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000117/0.5026, allocations: 54.81 kB / 0.7214 GB, free: 20.98 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.145e-06/0.5026, allocations: 3.938 kB / 0.7214 GB, free: 20.98 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.899e-06/0.5026, allocations: 0.7031 kB / 0.7214 GB, free: 20.98 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.471e-06/0.5026, allocations: 1.469 kB / 0.7214 GB, free: 20.98 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 3.86e-05/0.5027, allocations: 18.17 kB / 0.7215 GB, free: 20.97 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000392/0.503, allocations: 304.5 kB / 0.7217 GB, free: 20.7 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 7.031e-05/0.5031, allocations: 35.42 kB / 0.7218 GB, free: 20.66 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 2.424e-05/0.5031, allocations: 16.45 kB / 0.7218 GB, free: 20.65 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 8.676e-06/0.5032, allocations: 4 kB / 0.7218 GB, free: 20.65 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001421/0.5033, allocations: 86.89 kB / 0.7219 GB, free: 20.59 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=7): time 8.91e-07/0.5033, allocations: 0 / 0.7219 GB, free: 20.59 MB / 0.6355 GB Notification: Performance of matching and sorting (n=7): time 0.0002151/0.5035, allocations: 105.5 kB / 0.722 GB, free: 20.53 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.111e-05/0.5035, allocations: 58.48 kB / 0.722 GB, free: 20.46 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 6.429e-05/0.5036, allocations: 115.7 kB / 0.7222 GB, free: 20.36 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 1.952e-05/0.5036, allocations: 34.41 kB / 0.7222 GB, free: 20.32 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 3.998e-05/0.5037, allocations: 94.84 kB / 0.7223 GB, free: 20.23 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 1.429e-05/0.5037, allocations: 23.02 kB / 0.7223 GB, free: 20.21 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.802e-05/0.5037, allocations: 57.16 kB / 0.7224 GB, free: 20.18 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 3.595e-05/0.5038, allocations: 318.2 kB / 0.7227 GB, free: 19.87 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001154/0.5039, allocations: 121.8 kB / 0.7228 GB, free: 19.78 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001262/0.504, allocations: 155.7 kB / 0.7229 GB, free: 19.65 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001191/0.5041, allocations: 154.5 kB / 0.7231 GB, free: 19.52 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.015e-06/0.5041, allocations: 1.156 kB / 0.7231 GB, free: 19.52 MB / 0.6355 GB Notification: Performance of matching and sorting (n=13) (initialization): time 0.0002996/0.5044, allocations: 330.3 kB / 0.7234 GB, free: 19.3 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 3.987e-05/0.5045, allocations: 67.97 kB / 0.7234 GB, free: 19.23 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.863e-06/0.5045, allocations: 1.438 kB / 0.7234 GB, free: 19.23 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.291e-05/0.5045, allocations: 5.094 kB / 0.7235 GB, free: 19.23 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 2.354e-05/0.5045, allocations: 4.234 kB / 0.7235 GB, free: 19.23 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.855e-06/0.5045, allocations: 5.344 kB / 0.7235 GB, free: 19.22 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002054/0.5047, allocations: 53.02 kB / 0.7235 GB, free: 19.22 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.314e-05/0.5048, allocations: 14.81 kB / 0.7235 GB, free: 19.21 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 9 ($whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,xor1.y,booPul2.y,$PRE.booPul2.y,booPul1.y,$PRE.booPul1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (9): * Single equations (assignments): 7 * Array equations: 0 * Algorithm blocks: 2 * 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 6.014e-05/0.5048, allocations: 124 kB / 0.7236 GB, free: 19.09 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.719e-06/0.5048, allocations: 11.94 kB / 0.7237 GB, free: 19.09 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.047e-05/0.5049, allocations: 6.672 kB / 0.7237 GB, free: 19.08 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.124e-06/0.5049, allocations: 1.125 kB / 0.7237 GB, free: 19.08 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.058e-06/0.5049, allocations: 1.062 kB / 0.7237 GB, free: 19.08 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.436e-06/0.5049, allocations: 1.031 kB / 0.7237 GB, free: 19.08 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 7.287e-05/0.5049, allocations: 147.2 kB / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.192e-06/0.5049, allocations: 0 / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.348e-06/0.5049, allocations: 2.047 kB / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.226e-06/0.505, allocations: 5.188 kB / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.887e-06/0.505, allocations: 2.328 kB / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.81e-07/0.505, allocations: 0 / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.703e-06/0.505, allocations: 5.062 kB / 0.7238 GB, free: 18.91 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001017/0.5051, allocations: 118.4 kB / 0.7239 GB, free: 18.82 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 7.404e-06/0.5051, allocations: 6.875 kB / 0.7239 GB, free: 18.81 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.137e-05/0.5051, allocations: 2.203 kB / 0.7239 GB, free: 18.81 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.239e-05/0.5051, allocations: 5.594 kB / 0.7239 GB, free: 18.81 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.427e-05/0.5051, allocations: 12.11 kB / 0.724 GB, free: 18.8 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.33e-06/0.5051, allocations: 6.219 kB / 0.724 GB, free: 18.8 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 2.407e-05/0.5052, allocations: 90.52 kB / 0.7241 GB, free: 18.72 MB / 0.6355 GB Notification: Performance of sort global known variables: time 5e-08/0.5052, allocations: 4 kB / 0.7241 GB, free: 18.72 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0001566/0.5053, allocations: 35.88 kB / 0.7241 GB, free: 18.71 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: 7 ($whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,booPul1.y,booPul2.y,xor1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (7): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0002265/0.5056, allocations: 0.6472 MB / 0.7247 GB, free: 18.1 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0002309/0.5058, allocations: 285.2 kB / 0.725 GB, free: 17.86 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.214e-06/0.5058, allocations: 0 / 0.725 GB, free: 17.86 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 3.367e-05/0.5058, allocations: 21.78 kB / 0.725 GB, free: 17.86 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001906/0.506, allocations: 24.39 kB / 0.725 GB, free: 17.85 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00133/0.5073, allocations: 1.963 MB / 0.727 GB, free: 16.15 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 3.995e-05/0.5074, allocations: 69.53 kB / 0.727 GB, free: 16.08 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 2.522e-05/0.5074, allocations: 9.484 kB / 0.727 GB, free: 16.08 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.37e-05/0.5074, allocations: 21.78 kB / 0.7271 GB, free: 16.06 MB / 0.6355 GB Notification: Performance of SimCode: time 5.82e-07/0.5074, allocations: 1.188 kB / 0.7271 GB, free: 16.06 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01791/0.5253, allocations: 3.781 MB / 0.7307 GB, free: 15 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate platform static: time 6.677/7.202, allocations: 6.609 kB / 0.7308 GB, free: 15 MB / 0.6355 GB " [Timeout remaining time 653] (rm -f IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.pipe ; mkfifo IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.pipe >> ../files/IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor_res.csv --start-time 0 --stop-time 5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.002 IDEAS_dev_IDEAS_Controls_OBC_CDL_Logical_Validation_Xor.fmu > IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Validation.Xor.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 9.961341715999879] Failed to read output from testmodel.py, exit status != 0: 7.2811624959576875 7.292278127 6.788453351 Calling exit ...