./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron12.c --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/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron12.c -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 f794d38144436773ddf84f7f5cf72e3fce1d90ff7c8344cae13f6cb0c331c7d5
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 19:40:09,979 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 19:40:10,032 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-10-24 19:40:10,037 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 19:40:10,037 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 19:40:10,070 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 19:40:10,071 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 19:40:10,071 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 19:40:10,073 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 19:40:10,074 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 19:40:10,075 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 19:40:10,075 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 19:40:10,076 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 19:40:10,077 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 19:40:10,078 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 19:40:10,078 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 19:40:10,078 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 19:40:10,079 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-24 19:40:10,079 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 19:40:10,079 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 19:40:10,079 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 19:40:10,082 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 19:40:10,082 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 19:40:10,082 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-10-24 19:40:10,083 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-10-24 19:40:10,083 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 19:40:10,083 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 19:40:10,084 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 19:40:10,084 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 19:40:10,084 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 19:40:10,084 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 19:40:10,084 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 19:40:10,085 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 19:40:10,085 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 19:40:10,085 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 19:40:10,086 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-24 19:40:10,086 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-24 19:40:10,087 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 19:40:10,087 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 19:40:10,087 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 19:40:10,087 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 19:40:10,088 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 -> f794d38144436773ddf84f7f5cf72e3fce1d90ff7c8344cae13f6cb0c331c7d5
[2024-10-24 19:40:10,331 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 19:40:10,359 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 19:40:10,361 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 19:40:10,362 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 19:40:10,363 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 19:40:10,364 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron12.c
[2024-10-24 19:40:11,841 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 19:40:12,009 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 19:40:12,009 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron12.c
[2024-10-24 19:40:12,016 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011718799/95c6120d066b416fbbb4c4d88106cf7c/FLAG8f743ed4a
[2024-10-24 19:40:12,030 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011718799/95c6120d066b416fbbb4c4d88106cf7c
[2024-10-24 19:40:12,033 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 19:40:12,034 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 19:40:12,035 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 19:40:12,035 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 19:40:12,041 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 19:40:12,042 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,043 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682bb9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12, skipping insertion in model container
[2024-10-24 19:40:12,043 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,064 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 19:40:12,260 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 19:40:12,269 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 19:40:12,282 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 19:40:12,298 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 19:40:12,298 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12 WrapperNode
[2024-10-24 19:40:12,298 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 19:40:12,300 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 19:40:12,300 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 19:40:12,300 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 19:40:12,307 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,312 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,328 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45
[2024-10-24 19:40:12,329 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 19:40:12,330 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 19:40:12,330 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 19:40:12,330 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 19:40:12,339 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,340 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,342 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,350 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-10-24 19:40:12,352 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,352 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,354 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,359 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,360 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,361 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,365 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 19:40:12,366 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 19:40:12,366 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 19:40:12,366 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 19:40:12,367 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (1/1) ...
[2024-10-24 19:40:12,373 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 19:40:12,385 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 19:40:12,401 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 19:40:12,405 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 19:40:12,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 19:40:12,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 19:40:12,518 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 19:40:12,520 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 19:40:12,634 INFO  L?                        ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-10-24 19:40:12,634 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 19:40:12,660 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 19:40:12,660 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-24 19:40:12,661 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:40:12 BoogieIcfgContainer
[2024-10-24 19:40:12,661 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 19:40:12,663 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 19:40:12,663 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 19:40:12,666 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 19:40:12,666 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:40:12" (1/3) ...
[2024-10-24 19:40:12,667 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db7287c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:40:12, skipping insertion in model container
[2024-10-24 19:40:12,667 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:40:12" (2/3) ...
[2024-10-24 19:40:12,668 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db7287c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:40:12, skipping insertion in model container
[2024-10-24 19:40:12,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:40:12" (3/3) ...
[2024-10-24 19:40:12,669 INFO  L112   eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-aaron12.c
[2024-10-24 19:40:12,684 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 19:40:12,684 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-10-24 19:40:12,739 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 19:40:12,745 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;@10711a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 19:40:12,746 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-10-24 19:40:12,750 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 29 states, 16 states have (on average 1.9375) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 19:40:12,756 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-10-24 19:40:12,756 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 19:40:12,756 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-10-24 19:40:12,757 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-10-24 19:40:12,761 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 19:40:12,761 INFO  L85        PathProgramCache]: Analyzing trace with hash 2424411, now seen corresponding path program 1 times
[2024-10-24 19:40:12,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 19:40:12,769 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753606901]
[2024-10-24 19:40:12,769 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 19:40:12,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 19:40:12,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 19:40:12,870 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-24 19:40:12,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-24 19:40:12,903 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-24 19:40:12,905 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-10-24 19:40:12,907 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2024-10-24 19:40:12,908 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2024-10-24 19:40:12,908 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2024-10-24 19:40:12,909 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2024-10-24 19:40:12,909 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2024-10-24 19:40:12,909 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2024-10-24 19:40:12,910 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2024-10-24 19:40:12,910 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2024-10-24 19:40:12,910 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2024-10-24 19:40:12,910 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2024-10-24 19:40:12,911 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2024-10-24 19:40:12,911 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2024-10-24 19:40:12,912 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-24 19:40:12,916 INFO  L407         BasicCegarLoop]: Path program histogram: [1]
[2024-10-24 19:40:12,939 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-24 19:40:12,943 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:40:12 BoogieIcfgContainer
[2024-10-24 19:40:12,943 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-24 19:40:12,945 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-24 19:40:12,945 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-24 19:40:12,946 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-24 19:40:12,946 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:40:12" (3/4) ...
[2024-10-24 19:40:12,948 INFO  L133         WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-24 19:40:12,985 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-10-24 19:40:12,986 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-24 19:40:12,988 INFO  L158              Benchmark]: Toolchain (without parser) took 952.94ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 69.3MB in the beginning and 125.0MB in the end (delta: -55.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 19:40:12,989 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 19:40:12,990 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 263.66ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 69.0MB in the beginning and 156.4MB in the end (delta: -87.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-10-24 19:40:12,990 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.52ms. Allocated memory is still 186.6MB. Free memory was 156.4MB in the beginning and 155.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-24 19:40:12,991 INFO  L158              Benchmark]: Boogie Preprocessor took 35.81ms. Allocated memory is still 186.6MB. Free memory was 155.3MB in the beginning and 154.3MB in the end (delta: 955.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-24 19:40:12,992 INFO  L158              Benchmark]: RCFGBuilder took 295.09ms. Allocated memory is still 186.6MB. Free memory was 154.3MB in the beginning and 141.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-10-24 19:40:12,994 INFO  L158              Benchmark]: TraceAbstraction took 281.37ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 127.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-10-24 19:40:12,995 INFO  L158              Benchmark]: Witness Printer took 40.79ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-24 19:40:12,997 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 263.66ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 69.0MB in the beginning and 156.4MB in the end (delta: -87.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 29.52ms. Allocated memory is still 186.6MB. Free memory was 156.4MB in the beginning and 155.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 35.81ms. Allocated memory is still 186.6MB. Free memory was 155.3MB in the beginning and 154.3MB in the end (delta: 955.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 295.09ms. Allocated memory is still 186.6MB. Free memory was 154.3MB in the beginning and 141.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 281.37ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 127.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Witness Printer took 40.79ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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
  - CounterExampleResult [Line: 23]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L14]              int x, y, z;
[L15]              x = __VERIFIER_nondet_int()
[L16]              y = __VERIFIER_nondet_int()
[L17]              z = __VERIFIER_nondet_int()
[L18]  COND TRUE   x >= y
[L19]  COND FALSE  !(__VERIFIER_nondet_int() != 0)
[L23]              x - z
       VAL         [y=-2]

  - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 25]: 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 1 procedures, 29 locations, 12 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=29occurred 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, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect!
[2024-10-24 19:40:13,027 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
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)