./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version 4a390ef5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 22:34:53,292 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 22:34:53,350 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-10-24 22:34:53,355 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 22:34:53,356 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 22:34:53,378 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 22:34:53,380 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 22:34:53,380 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 22:34:53,381 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 22:34:53,381 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 22:34:53,382 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 22:34:53,383 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 22:34:53,383 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 22:34:53,383 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 22:34:53,383 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 22:34:53,384 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 22:34:53,384 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 22:34:53,384 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-24 22:34:53,384 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 22:34:53,384 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 22:34:53,385 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 22:34:53,388 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 22:34:53,388 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 22:34:53,388 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-10-24 22:34:53,388 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-10-24 22:34:53,388 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 22:34:53,389 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 22:34:53,389 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 22:34:53,389 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 22:34:53,389 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 22:34:53,389 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 22:34:53,389 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 22:34:53,390 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 22:34:53,390 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 22:34:53,390 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 22:34:53,390 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-24 22:34:53,390 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-24 22:34:53,390 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 22:34:53,391 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 22:34:53,391 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 22:34:53,391 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 22:34:53,391 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00
[2024-10-24 22:34:53,617 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 22:34:53,639 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 22:34:53,641 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 22:34:53,642 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 22:34:53,643 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 22:34:53,644 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:34:54,945 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 22:34:55,287 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 22:34:55,287 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:34:55,313 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77239b43/549d3b5cd04342588a92dd7de5c6e4c3/FLAG623a0cc93
[2024-10-24 22:34:55,330 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77239b43/549d3b5cd04342588a92dd7de5c6e4c3
[2024-10-24 22:34:55,333 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 22:34:55,335 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 22:34:55,337 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 22:34:55,337 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 22:34:55,343 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 22:34:55,344 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:34:55" (1/1) ...
[2024-10-24 22:34:55,344 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6957c0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:55, skipping insertion in model container
[2024-10-24 22:34:55,346 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:34:55" (1/1) ...
[2024-10-24 22:34:55,422 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 22:34:56,080 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 22:34:56,090 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 22:34:56,157 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 22:34:56,249 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 22:34:56,250 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56 WrapperNode
[2024-10-24 22:34:56,250 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 22:34:56,251 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 22:34:56,251 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 22:34:56,251 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 22:34:56,256 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,283 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,306 INFO  L138                Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57
[2024-10-24 22:34:56,306 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 22:34:56,307 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 22:34:56,307 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 22:34:56,307 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 22:34:56,315 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,315 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,320 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,336 INFO  L175           MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-10-24 22:34:56,337 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,337 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,344 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,348 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,349 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,349 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,351 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 22:34:56,356 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 22:34:56,356 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 22:34:56,356 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 22:34:56,356 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (1/1) ...
[2024-10-24 22:34:56,362 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 22:34:56,373 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 22:34:56,394 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-24 22:34:56,398 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-24 22:34:56,431 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-10-24 22:34:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-10-24 22:34:56,431 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-24 22:34:56,431 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 22:34:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 22:34:56,431 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-24 22:34:56,585 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 22:34:56,590 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 22:34:56,824 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-10-24 22:34:56,826 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 22:34:56,875 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 22:34:56,876 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-24 22:34:56,876 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:34:56 BoogieIcfgContainer
[2024-10-24 22:34:56,876 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 22:34:56,878 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 22:34:56,882 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 22:34:56,884 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 22:34:56,885 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:34:55" (1/3) ...
[2024-10-24 22:34:56,886 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d3ade2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:34:56, skipping insertion in model container
[2024-10-24 22:34:56,886 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:34:56" (2/3) ...
[2024-10-24 22:34:56,890 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d3ade2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:34:56, skipping insertion in model container
[2024-10-24 22:34:56,890 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:34:56" (3/3) ...
[2024-10-24 22:34:56,891 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:34:56,907 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 22:34:56,907 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-10-24 22:34:56,978 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 22:34:56,988 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a582eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 22:34:56,993 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-10-24 22:34:56,998 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-10-24 22:34:57,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-10-24 22:34:57,006 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 22:34:57,006 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 22:34:57,007 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-10-24 22:34:57,011 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 22:34:57,013 INFO  L85        PathProgramCache]: Analyzing trace with hash -1887162126, now seen corresponding path program 1 times
[2024-10-24 22:34:57,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 22:34:57,020 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079361297]
[2024-10-24 22:34:57,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 22:34:57,020 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 22:34:57,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 22:34:57,120 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-24 22:34:57,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 22:34:57,154 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-24 22:34:57,155 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-10-24 22:34:57,156 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-10-24 22:34:57,157 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-10-24 22:34:57,158 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-24 22:34:57,161 INFO  L407         BasicCegarLoop]: Path program histogram: [1]
[2024-10-24 22:34:57,176 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-24 22:34:57,178 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:34:57 BoogieIcfgContainer
[2024-10-24 22:34:57,178 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-24 22:34:57,178 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-24 22:34:57,178 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-24 22:34:57,179 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-24 22:34:57,179 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:34:56" (3/4) ...
[2024-10-24 22:34:57,180 INFO  L142         WitnessPrinter]: No result that supports witness generation found
[2024-10-24 22:34:57,181 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-24 22:34:57,182 INFO  L158              Benchmark]: Toolchain (without parser) took 1846.80ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 119.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,182 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 22:34:57,183 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 913.58ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 73.5MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,183 INFO  L158              Benchmark]: Boogie Procedure Inliner took 55.91ms. Allocated memory is still 174.1MB. Free memory was 73.5MB in the beginning and 70.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,183 INFO  L158              Benchmark]: Boogie Preprocessor took 48.09ms. Allocated memory is still 174.1MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,184 INFO  L158              Benchmark]: RCFGBuilder took 520.50ms. Allocated memory is still 174.1MB. Free memory was 67.9MB in the beginning and 137.4MB in the end (delta: -69.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,184 INFO  L158              Benchmark]: TraceAbstraction took 299.55ms. Allocated memory is still 174.1MB. Free memory was 136.4MB in the beginning and 120.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-10-24 22:34:57,184 INFO  L158              Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 174.1MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 22:34:57,186 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 913.58ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 73.5MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 55.91ms. Allocated memory is still 174.1MB. Free memory was 73.5MB in the beginning and 70.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 48.09ms. Allocated memory is still 174.1MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 520.50ms. Allocated memory is still 174.1MB. Free memory was 67.9MB in the beginning and 137.4MB in the end (delta: -69.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 299.55ms. Allocated memory is still 174.1MB. Free memory was 136.4MB in the beginning and 120.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Witness Printer took 2.86ms. Allocated memory is still 174.1MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 
Possible FailurePath: 
[L1522]             const int GLOBAL_CONST_TRUE = 1;
[L1523]             const int GLOBAL_CONST_FALSE = 0;
[L1524]             const int GLOBAL_CONST_FIVE = 5;
[L1525]             int globalTrue = 1;
[L1526]             int globalFalse = 0;
[L1527]             int globalFive = 5;
[L1546]             int globalArgc = 0;
[L1547]             char** globalArgv = ((void *)0);
[L1548]             int CWE191_Integer_Underflow__int_fgets_multiply_68_badData;
[L1573]  CALL       printLine("Calling bad()...")
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414]  COND TRUE  line != ((void *)0)
[L1573]  RET        printLine("Calling bad()...")
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1574]  CALL       CWE191_Integer_Underflow__int_fgets_multiply_68_bad()
[L1554]             int data;
[L1555]             data = 0
[L1557]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1558]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560]             data = atoi(inputBuffer)
[L1567]             CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data
[L1568]  CALL       CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink()
[L1583]             int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData;
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1584]  COND TRUE  data < 0
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1586]             data * 2
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

  - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-10-24 22:34:57,207 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 22:34:59,552 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 22:34:59,632 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-10-24 22:34:59,643 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 22:34:59,643 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 22:34:59,643 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-10-24 22:34:59,667 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 22:34:59,669 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 22:34:59,670 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 22:34:59,670 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 22:34:59,670 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 22:34:59,671 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 22:34:59,671 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 22:34:59,671 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 22:34:59,671 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 22:34:59,672 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 22:34:59,673 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 22:34:59,673 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 22:34:59,673 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 22:34:59,674 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 22:34:59,674 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 22:34:59,676 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 22:34:59,679 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-10-24 22:34:59,679 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-10-24 22:34:59,680 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 22:34:59,680 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-10-24 22:34:59,680 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-10-24 22:34:59,680 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-10-24 22:34:59,681 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 22:34:59,681 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 22:34:59,682 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 22:34:59,682 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 22:34:59,682 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 22:34:59,682 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 22:34:59,683 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 22:34:59,683 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 22:34:59,684 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 22:34:59,685 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 22:34:59,685 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 22:34:59,685 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-10-24 22:34:59,685 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00
[2024-10-24 22:34:59,961 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 22:34:59,991 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 22:34:59,993 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 22:34:59,998 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 22:34:59,998 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 22:35:00,000 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:35:01,405 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 22:35:01,733 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 22:35:01,734 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:35:01,775 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0bcb3f5/512d47ab53d34f968ce8763b6274f70e/FLAG5ca2c5eef
[2024-10-24 22:35:01,801 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0bcb3f5/512d47ab53d34f968ce8763b6274f70e
[2024-10-24 22:35:01,803 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 22:35:01,805 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 22:35:01,806 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 22:35:01,806 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 22:35:01,810 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 22:35:01,811 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:01" (1/1) ...
[2024-10-24 22:35:01,811 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642b5d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:01, skipping insertion in model container
[2024-10-24 22:35:01,811 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:01" (1/1) ...
[2024-10-24 22:35:01,862 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 22:35:03,123 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 22:35:03,136 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 22:35:03,221 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 22:35:03,342 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 22:35:03,342 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03 WrapperNode
[2024-10-24 22:35:03,343 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 22:35:03,343 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 22:35:03,344 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 22:35:03,344 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 22:35:03,349 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,375 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,391 INFO  L138                Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56
[2024-10-24 22:35:03,392 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 22:35:03,392 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 22:35:03,392 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 22:35:03,392 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 22:35:03,400 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,400 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,402 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,412 INFO  L175           MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-10-24 22:35:03,412 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,412 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,417 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,418 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,420 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,421 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,423 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 22:35:03,424 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 22:35:03,424 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 22:35:03,424 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 22:35:03,424 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (1/1) ...
[2024-10-24 22:35:03,432 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 22:35:03,450 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 22:35:03,466 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-24 22:35:03,476 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-24 22:35:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-10-24 22:35:03,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-10-24 22:35:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-10-24 22:35:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-24 22:35:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 22:35:03,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 22:35:03,620 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 22:35:03,622 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 22:35:03,711 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-10-24 22:35:03,711 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 22:35:03,739 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 22:35:03,739 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-24 22:35:03,739 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:03 BoogieIcfgContainer
[2024-10-24 22:35:03,740 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 22:35:03,741 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 22:35:03,741 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 22:35:03,743 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 22:35:03,744 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:35:01" (1/3) ...
[2024-10-24 22:35:03,744 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a63bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:03, skipping insertion in model container
[2024-10-24 22:35:03,744 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:03" (2/3) ...
[2024-10-24 22:35:03,744 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a63bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:03, skipping insertion in model container
[2024-10-24 22:35:03,744 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:03" (3/3) ...
[2024-10-24 22:35:03,745 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i
[2024-10-24 22:35:03,758 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 22:35:03,758 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-10-24 22:35:03,838 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 22:35:03,844 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78aefc46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 22:35:03,844 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-10-24 22:35:03,848 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-10-24 22:35:03,854 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-10-24 22:35:03,856 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 22:35:03,856 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 22:35:03,857 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-10-24 22:35:03,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 22:35:03,861 INFO  L85        PathProgramCache]: Analyzing trace with hash -1887162126, now seen corresponding path program 1 times
[2024-10-24 22:35:03,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-24 22:35:03,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412440820]
[2024-10-24 22:35:03,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 22:35:03,872 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-24 22:35:03,873 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-10-24 22:35:03,875 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-24 22:35:03,879 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-10-24 22:35:03,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 22:35:03,966 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-24 22:35:03,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 22:35:04,003 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-10-24 22:35:04,005 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-10-24 22:35:04,009 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-10-24 22:35:04,011 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-10-24 22:35:04,018 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-10-24 22:35:04,211 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-24 22:35:04,215 INFO  L407         BasicCegarLoop]: Path program histogram: [1]
[2024-10-24 22:35:04,251 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-24 22:35:04,257 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:35:04 BoogieIcfgContainer
[2024-10-24 22:35:04,257 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-24 22:35:04,257 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-24 22:35:04,257 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-24 22:35:04,258 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-24 22:35:04,258 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:03" (3/4) ...
[2024-10-24 22:35:04,264 INFO  L142         WitnessPrinter]: No result that supports witness generation found
[2024-10-24 22:35:04,264 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-24 22:35:04,265 INFO  L158              Benchmark]: Toolchain (without parser) took 2460.68ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 52.4MB in the beginning and 66.7MB in the end (delta: -14.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-10-24 22:35:04,266 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 22:35:04,266 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1537.37ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 52.2MB in the beginning and 69.9MB in the end (delta: -17.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB.
[2024-10-24 22:35:04,270 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.18ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 67.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-24 22:35:04,271 INFO  L158              Benchmark]: Boogie Preprocessor took 30.92ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-24 22:35:04,271 INFO  L158              Benchmark]: RCFGBuilder took 316.11ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 47.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-10-24 22:35:04,271 INFO  L158              Benchmark]: TraceAbstraction took 516.13ms. Allocated memory is still 109.1MB. Free memory was 46.9MB in the beginning and 67.3MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 22:35:04,272 INFO  L158              Benchmark]: Witness Printer took 7.23ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 642.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 22:35:04,273 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1537.37ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 52.2MB in the beginning and 69.9MB in the end (delta: -17.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 48.18ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 67.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.92ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 316.11ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 47.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 516.13ms. Allocated memory is still 109.1MB. Free memory was 46.9MB in the beginning and 67.3MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 7.23ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 642.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 
Possible FailurePath: 
[L1522]             const int GLOBAL_CONST_TRUE = 1;
[L1523]             const int GLOBAL_CONST_FALSE = 0;
[L1524]             const int GLOBAL_CONST_FIVE = 5;
[L1525]             int globalTrue = 1;
[L1526]             int globalFalse = 0;
[L1527]             int globalFive = 5;
[L1546]             int globalArgc = 0;
[L1547]             char** globalArgv = ((void *)0);
[L1549]             int CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData;
[L1573]  CALL       printLine("Calling bad()...")
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414]  COND TRUE  line != ((void *)0)
[L1573]  RET        printLine("Calling bad()...")
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1574]  CALL       CWE191_Integer_Underflow__int_fgets_multiply_68_bad()
[L1554]             int data;
[L1555]             data = 0
[L1557]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1558]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560]             data = atoi(inputBuffer)
[L1567]             CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data
[L1568]  CALL       CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink()
[L1583]             int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData;
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1584]  COND TRUE  data < 0
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1586]             data * 2
         VAL        [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

  - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-10-24 22:35:04,299 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample