./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version a31fd051
Calling Ultimate with: /usr/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 ../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa
--- Real Ultimate output ---
This is Ultimate 0.2.2-?-a31fd05
[2023-02-15 13:43:10,452 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-02-15 13:43:10,454 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-02-15 13:43:10,483 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-02-15 13:43:10,484 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-02-15 13:43:10,486 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-02-15 13:43:10,487 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-02-15 13:43:10,489 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-02-15 13:43:10,491 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-02-15 13:43:10,494 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-02-15 13:43:10,495 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-02-15 13:43:10,497 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-02-15 13:43:10,497 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-02-15 13:43:10,499 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-02-15 13:43:10,500 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-02-15 13:43:10,501 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-02-15 13:43:10,501 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-02-15 13:43:10,502 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-02-15 13:43:10,503 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-02-15 13:43:10,507 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-02-15 13:43:10,508 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-02-15 13:43:10,508 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-02-15 13:43:10,509 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-02-15 13:43:10,510 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-02-15 13:43:10,515 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-02-15 13:43:10,516 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-02-15 13:43:10,516 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-02-15 13:43:10,517 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-02-15 13:43:10,517 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-02-15 13:43:10,518 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-02-15 13:43:10,519 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-02-15 13:43:10,519 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-02-15 13:43:10,520 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-02-15 13:43:10,521 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-02-15 13:43:10,521 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-02-15 13:43:10,522 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-02-15 13:43:10,522 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-02-15 13:43:10,522 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-02-15 13:43:10,522 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-02-15 13:43:10,523 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-02-15 13:43:10,524 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-02-15 13:43:10,525 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-02-15 13:43:10,546 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-02-15 13:43:10,547 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-02-15 13:43:10,547 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-02-15 13:43:10,547 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-02-15 13:43:10,548 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-02-15 13:43:10,548 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-02-15 13:43:10,548 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-02-15 13:43:10,549 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-02-15 13:43:10,549 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-02-15 13:43:10,549 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-02-15 13:43:10,549 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-02-15 13:43:10,550 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-02-15 13:43:10,551 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-02-15 13:43:10,551 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-02-15 13:43:10,552 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-02-15 13:43:10,552 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-02-15 13:43:10,552 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-02-15 13:43:10,552 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-02-15 13:43:10,552 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-02-15 13:43:10,553 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-02-15 13:43:10,553 INFO  L138        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.graphml
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa
[2023-02-15 13:43:10,735 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-02-15 13:43:10,751 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-02-15 13:43:10,754 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-02-15 13:43:10,755 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-02-15 13:43:10,755 INFO  L275        PluginConnector]: CDTParser initialized
[2023-02-15 13:43:10,756 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c
[2023-02-15 13:43:11,622 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-02-15 13:43:11,794 INFO  L351              CDTParser]: Found 1 translation units.
[2023-02-15 13:43:11,795 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c
[2023-02-15 13:43:11,798 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996654b75/7768d55e8fca4758a544e127c9155200/FLAG58c6dd77c
[2023-02-15 13:43:11,807 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996654b75/7768d55e8fca4758a544e127c9155200
[2023-02-15 13:43:11,809 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-02-15 13:43:11,810 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-02-15 13:43:11,811 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-02-15 13:43:11,811 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-02-15 13:43:11,813 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-02-15 13:43:11,814 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,814 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c969ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11, skipping insertion in model container
[2023-02-15 13:43:11,815 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,819 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-02-15 13:43:11,827 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-02-15 13:43:11,936 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c[514,527]
[2023-02-15 13:43:11,937 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-02-15 13:43:11,943 INFO  L203         MainTranslator]: Completed pre-run
[2023-02-15 13:43:11,952 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c[514,527]
[2023-02-15 13:43:11,952 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-02-15 13:43:11,961 INFO  L208         MainTranslator]: Completed translation
[2023-02-15 13:43:11,961 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11 WrapperNode
[2023-02-15 13:43:11,961 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-02-15 13:43:11,962 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-02-15 13:43:11,962 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-02-15 13:43:11,962 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-02-15 13:43:11,966 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,970 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,978 INFO  L138                Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21
[2023-02-15 13:43:11,979 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-02-15 13:43:11,979 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-02-15 13:43:11,979 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-02-15 13:43:11,979 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-02-15 13:43:11,984 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,984 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,985 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,985 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,987 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,987 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,988 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,988 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,989 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-02-15 13:43:11,990 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-02-15 13:43:11,990 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-02-15 13:43:11,990 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-02-15 13:43:11,990 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (1/1) ...
[2023-02-15 13:43:11,994 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-02-15 13:43:12,000 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-02-15 13:43:12,010 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-02-15 13:43:12,011 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-02-15 13:43:12,045 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-02-15 13:43:12,045 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-02-15 13:43:12,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-02-15 13:43:12,046 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-02-15 13:43:12,046 INFO  L130     BoogieDeclarations]: Found specification of procedure id
[2023-02-15 13:43:12,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure id
[2023-02-15 13:43:12,087 INFO  L235             CfgBuilder]: Building ICFG
[2023-02-15 13:43:12,088 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-02-15 13:43:12,182 INFO  L276             CfgBuilder]: Performing block encoding
[2023-02-15 13:43:12,186 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-02-15 13:43:12,186 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2023-02-15 13:43:12,187 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:12 BoogieIcfgContainer
[2023-02-15 13:43:12,188 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-02-15 13:43:12,189 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-02-15 13:43:12,189 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-02-15 13:43:12,191 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-02-15 13:43:12,191 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:43:11" (1/3) ...
[2023-02-15 13:43:12,192 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602719dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:12, skipping insertion in model container
[2023-02-15 13:43:12,192 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:11" (2/3) ...
[2023-02-15 13:43:12,192 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602719dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:12, skipping insertion in model container
[2023-02-15 13:43:12,192 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:12" (3/3) ...
[2023-02-15 13:43:12,193 INFO  L112   eAbstractionObserver]: Analyzing ICFG id_b3_o5-1.c
[2023-02-15 13:43:12,204 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-02-15 13:43:12,205 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-02-15 13:43:12,233 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-02-15 13:43:12,237 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@51eeb4e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-02-15 13:43:12,237 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-02-15 13:43:12,240 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-02-15 13:43:12,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-02-15 13:43:12,244 INFO  L187           NwaCegarLoop]: Found error trace
[2023-02-15 13:43:12,244 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-02-15 13:43:12,245 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-02-15 13:43:12,248 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-02-15 13:43:12,248 INFO  L85        PathProgramCache]: Analyzing trace with hash 890408432, now seen corresponding path program 1 times
[2023-02-15 13:43:12,253 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-02-15 13:43:12,253 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975898157]
[2023-02-15 13:43:12,253 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-02-15 13:43:12,254 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-02-15 13:43:12,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-02-15 13:43:12,308 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-02-15 13:43:12,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-02-15 13:43:12,326 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-02-15 13:43:12,327 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-02-15 13:43:12,329 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-02-15 13:43:12,331 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-02-15 13:43:12,331 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-02-15 13:43:12,331 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-02-15 13:43:12,332 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-02-15 13:43:12,334 INFO  L445         BasicCegarLoop]: Path program histogram: [1]
[2023-02-15 13:43:12,337 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-02-15 13:43:12,347 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:43:12 BoogieIcfgContainer
[2023-02-15 13:43:12,351 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-02-15 13:43:12,352 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-02-15 13:43:12,355 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-02-15 13:43:12,356 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-02-15 13:43:12,356 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:12" (3/4) ...
[2023-02-15 13:43:12,357 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2023-02-15 13:43:12,376 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-02-15 13:43:12,377 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-02-15 13:43:12,377 INFO  L158              Benchmark]: Toolchain (without parser) took 567.00ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 85.9MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,378 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-02-15 13:43:12,378 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 150.61ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 113.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,378 INFO  L158              Benchmark]: Boogie Procedure Inliner took 16.67ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-02-15 13:43:12,379 INFO  L158              Benchmark]: Boogie Preprocessor took 9.90ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,379 INFO  L158              Benchmark]: RCFGBuilder took 198.10ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 101.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,380 INFO  L158              Benchmark]: TraceAbstraction took 162.13ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 87.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,380 INFO  L158              Benchmark]: Witness Printer took 25.03ms. Allocated memory is still 157.3MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-02-15 13:43:12,382 INFO  L339   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 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 150.61ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 113.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 16.67ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 9.90ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 198.10ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 101.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 162.13ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 87.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Witness Printer took 25.03ms. Allocated memory is still 157.3MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). 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: 8]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L14]              int input = __VERIFIER_nondet_int();
[L15]  CALL        id(input)
       VAL         [\old(x)=-2147483648]
[L7]   COND FALSE  !(x==0)
       VAL         [\old(x)=-2147483648, x=-2147483648]
[L8]               x-1
       VAL         [\old(x)=-2147483648, x=-2147483648]

  - UnprovableResult [Line: 8]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 8]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 8]: 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=24occurred 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, 6 NumberOfCodeBlocks, 6 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!
[2023-02-15 13:43:12,429 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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)