./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-atomic/peterson.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit


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


Checking for overflows
Using default analysis
Version b8dbc81d
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 ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER
--- Real Ultimate output ---
This is Ultimate 0.2.3-?-b8dbc81
[2023-08-30 12:48:40,518 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-08-30 12:48:40,520 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-08-30 12:48:40,553 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-08-30 12:48:40,554 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-08-30 12:48:40,556 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-08-30 12:48:40,558 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-08-30 12:48:40,559 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-08-30 12:48:40,561 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-08-30 12:48:40,564 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-08-30 12:48:40,565 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-08-30 12:48:40,567 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-08-30 12:48:40,567 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-08-30 12:48:40,569 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-08-30 12:48:40,570 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-08-30 12:48:40,573 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-08-30 12:48:40,574 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-08-30 12:48:40,575 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-08-30 12:48:40,576 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-08-30 12:48:40,580 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-08-30 12:48:40,581 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-08-30 12:48:40,598 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-08-30 12:48:40,599 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-08-30 12:48:40,599 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-08-30 12:48:40,603 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-08-30 12:48:40,604 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-08-30 12:48:40,604 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-08-30 12:48:40,606 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-08-30 12:48:40,606 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-08-30 12:48:40,607 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-08-30 12:48:40,607 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-08-30 12:48:40,608 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-08-30 12:48:40,609 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-08-30 12:48:40,611 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-08-30 12:48:40,612 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-08-30 12:48:40,612 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-08-30 12:48:40,612 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-08-30 12:48:40,613 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-08-30 12:48:40,613 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-08-30 12:48:40,613 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-08-30 12:48:40,614 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-08-30 12:48:40,615 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-08-30 12:48:40,639 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-08-30 12:48:40,640 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-08-30 12:48:40,640 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-08-30 12:48:40,641 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-08-30 12:48:40,641 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-08-30 12:48:40,641 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-08-30 12:48:40,642 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-08-30 12:48:40,642 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-08-30 12:48:40,642 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-08-30 12:48:40,642 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-08-30 12:48:40,643 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-08-30 12:48:40,643 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-08-30 12:48:40,643 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-08-30 12:48:40,643 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-08-30 12:48:40,643 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-08-30 12:48:40,644 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-08-30 12:48:40,645 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-08-30 12:48:40,645 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-08-30 12:48:40,645 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-08-30 12:48:40,645 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-08-30 12:48:40,645 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-30 12:48:40,645 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-08-30 12:48:40,645 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-08-30 12:48:40,646 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-08-30 12:48:40,647 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-08-30 12:48:40,647 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-08-30 12:48:40,647 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 -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER
[2023-08-30 12:48:40,876 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-08-30 12:48:40,894 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-08-30 12:48:40,896 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-08-30 12:48:40,896 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-08-30 12:48:40,897 INFO  L275        PluginConnector]: CDTParser initialized
[2023-08-30 12:48:40,898 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i
[2023-08-30 12:48:41,888 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-08-30 12:48:42,098 INFO  L351              CDTParser]: Found 1 translation units.
[2023-08-30 12:48:42,099 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i
[2023-08-30 12:48:42,110 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f6301fe/c64a5a88e4b94d42bf321f3b89d49e58/FLAGa29095dfa
[2023-08-30 12:48:42,121 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f6301fe/c64a5a88e4b94d42bf321f3b89d49e58
[2023-08-30 12:48:42,123 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-08-30 12:48:42,124 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-08-30 12:48:42,126 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-08-30 12:48:42,126 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-08-30 12:48:42,128 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-08-30 12:48:42,129 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,130 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a95491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42, skipping insertion in model container
[2023-08-30 12:48:42,130 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,134 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-08-30 12:48:42,170 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-08-30 12:48:42,276 WARN  L633        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-08-30 12:48:42,342 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010]
[2023-08-30 12:48:42,344 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695]
[2023-08-30 12:48:42,347 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-08-30 12:48:42,353 INFO  L203         MainTranslator]: Completed pre-run
[2023-08-30 12:48:42,364 WARN  L633        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-08-30 12:48:42,390 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010]
[2023-08-30 12:48:42,392 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695]
[2023-08-30 12:48:42,395 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-08-30 12:48:42,425 WARN  L667               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-08-30 12:48:42,425 WARN  L667               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-08-30 12:48:42,425 WARN  L667               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-08-30 12:48:42,430 INFO  L208         MainTranslator]: Completed translation
[2023-08-30 12:48:42,430 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42 WrapperNode
[2023-08-30 12:48:42,430 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-08-30 12:48:42,431 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-08-30 12:48:42,431 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-08-30 12:48:42,431 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-08-30 12:48:42,435 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,448 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,459 INFO  L138                Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2023-08-30 12:48:42,460 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-08-30 12:48:42,460 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-08-30 12:48:42,460 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-08-30 12:48:42,461 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-08-30 12:48:42,465 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,465 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,468 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,468 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,478 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,480 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,482 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,483 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,484 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-08-30 12:48:42,485 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-08-30 12:48:42,485 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-08-30 12:48:42,485 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-08-30 12:48:42,485 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (1/1) ...
[2023-08-30 12:48:42,489 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-30 12:48:42,499 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-30 12:48:42,508 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)
[2023-08-30 12:48:42,517 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
[2023-08-30 12:48:42,532 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-08-30 12:48:42,532 INFO  L130     BoogieDeclarations]: Found specification of procedure thr2
[2023-08-30 12:48:42,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr2
[2023-08-30 12:48:42,532 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2023-08-30 12:48:42,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-08-30 12:48:42,533 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-08-30 12:48:42,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-08-30 12:48:42,534 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-08-30 12:48:42,618 INFO  L236             CfgBuilder]: Building ICFG
[2023-08-30 12:48:42,619 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-08-30 12:48:42,752 INFO  L277             CfgBuilder]: Performing block encoding
[2023-08-30 12:48:42,756 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-08-30 12:48:42,756 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-08-30 12:48:42,758 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:48:42 BoogieIcfgContainer
[2023-08-30 12:48:42,758 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-08-30 12:48:42,759 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-08-30 12:48:42,759 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-08-30 12:48:42,761 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-08-30 12:48:42,761 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:48:42" (1/3) ...
[2023-08-30 12:48:42,762 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58abf995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:48:42, skipping insertion in model container
[2023-08-30 12:48:42,762 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:48:42" (2/3) ...
[2023-08-30 12:48:42,762 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58abf995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:48:42, skipping insertion in model container
[2023-08-30 12:48:42,762 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:48:42" (3/3) ...
[2023-08-30 12:48:42,763 INFO  L112   eAbstractionObserver]: Analyzing ICFG peterson.i
[2023-08-30 12:48:42,767 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-08-30 12:48:42,773 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-08-30 12:48:42,773 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2023-08-30 12:48:42,774 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58abf995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 12:48:42, skipping insertion in model container
[2023-08-30 12:48:42,774 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-08-30 12:48:42,775 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-08-30 12:48:42,775 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-08-30 12:48:42,775 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-08-30 12:48:42,775 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:48:42" (3/3) ...
[2023-08-30 12:48:42,777 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-08-30 12:48:42,781 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thr2
[2023-08-30 12:48:42,781 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thr1
[2023-08-30 12:48:42,783 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2023-08-30 12:48:42,783 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-08-30 12:48:42,783 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-08-30 12:48:42,784 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-08-30 12:48:42,803 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-08-30 12:48:42,803 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-08-30 12:48:42,804 INFO  L158              Benchmark]: Toolchain (without parser) took 679.18ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 53.7MB in the end (delta: 17.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,804 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-08-30 12:48:42,804 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 304.07ms. Allocated memory is still 92.3MB. Free memory was 70.9MB in the beginning and 51.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,805 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.24ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,805 INFO  L158              Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 71.6MB in the end (delta: -22.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,806 INFO  L158              Benchmark]: RCFGBuilder took 272.99ms. Allocated memory is still 92.3MB. Free memory was 71.6MB in the beginning and 59.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,806 INFO  L158              Benchmark]: TraceAbstraction took 15.22ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 55.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,806 INFO  L158              Benchmark]: Witness Printer took 28.28ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-08-30 12:48:42,808 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 304.07ms. Allocated memory is still 92.3MB. Free memory was 70.9MB in the beginning and 51.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 29.24ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 23.99ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 71.6MB in the end (delta: -22.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 272.99ms. Allocated memory is still 92.3MB. Free memory was 71.6MB in the beginning and 59.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 15.22ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 55.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 28.28ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 53.8MB 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:
  - AllSpecificationsHoldResult: All specifications hold
    We were not able to verify any specification because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2023-08-30 12:48:42,824 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
Result:
TRUE