./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc --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
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:59:08,529 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:59:08,532 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:59:08,579 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:59:08,580 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:59:08,584 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:59:08,587 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:59:08,592 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:59:08,594 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:59:08,601 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:59:08,602 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:59:08,605 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:59:08,605 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:59:08,608 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:59:08,611 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:59:08,613 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:59:08,615 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:59:08,616 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:59:08,618 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:59:08,629 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:59:08,631 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:59:08,632 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:59:08,636 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:59:08,637 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:59:08,647 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:59:08,649 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:59:08,650 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:59:08,652 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:59:08,653 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:59:08,654 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:59:08,655 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:59:08,656 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:59:08,658 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:59:08,660 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:59:08,661 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:59:08,661 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:59:08,662 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:59:08,663 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:59:08,663 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:59:08,664 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:59:08,665 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:59:08,666 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:59:08,707 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:59:08,707 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:59:08,708 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:59:08,708 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:59:08,709 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:59:08,710 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:59:08,711 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:59:08,711 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:59:08,711 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:59:08,712 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:59:08,713 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:59:08,713 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:59:08,714 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:59:08,714 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:59:08,714 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:59:08,715 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:59:08,715 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:59:08,715 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:59:08,715 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 20:59:08,716 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:59:08,716 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:59:08,716 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:59:08,717 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:59:08,717 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:59:08,717 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:59:08,718 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:59:08,718 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:08,718 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:59:08,719 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:59:08,719 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:59:08,719 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:59:08,719 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:59:08,720 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:59:08,720 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc
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
[2022-11-02 20:59:09,065 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:59:09,107 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:59:09,111 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:59:09,112 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:59:09,113 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:59:09,115 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-atomic/peterson.i
[2022-11-02 20:59:09,213 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/data/b04317432/d837298f45684d57ba159deb2e1fe8af/FLAGd5ab4fe9c
[2022-11-02 20:59:09,909 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:59:09,910 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/sv-benchmarks/c/pthread-atomic/peterson.i
[2022-11-02 20:59:09,938 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/data/b04317432/d837298f45684d57ba159deb2e1fe8af/FLAGd5ab4fe9c
[2022-11-02 20:59:10,179 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/data/b04317432/d837298f45684d57ba159deb2e1fe8af
[2022-11-02 20:59:10,182 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:59:10,183 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:59:10,185 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:10,186 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:59:10,190 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:59:10,191 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,192 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c72cd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10, skipping insertion in model container
[2022-11-02 20:59:10,192 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,200 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:59:10,238 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:59:10,452 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-02 20:59:10,637 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010]
[2022-11-02 20:59:10,645 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695]
[2022-11-02 20:59:10,656 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:10,666 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:59:10,704 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-02 20:59:10,740 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010]
[2022-11-02 20:59:10,748 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695]
[2022-11-02 20:59:10,752 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:10,787 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:59:10,788 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10 WrapperNode
[2022-11-02 20:59:10,788 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:10,789 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:10,789 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:59:10,790 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:59:10,799 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,825 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,863 INFO  L138                Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2022-11-02 20:59:10,864 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:10,865 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:59:10,865 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:59:10,865 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:59:10,876 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,877 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,898 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,898 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,904 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,922 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,924 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,925 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,928 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:59:10,929 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:59:10,938 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:59:10,938 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:59:10,943 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (1/1) ...
[2022-11-02 20:59:10,951 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:10,962 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:59:10,981 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:59:11,010 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:59:11,030 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:59:11,032 INFO  L130     BoogieDeclarations]: Found specification of procedure thr2
[2022-11-02 20:59:11,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr2
[2022-11-02 20:59:11,033 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2022-11-02 20:59:11,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2022-11-02 20:59:11,034 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:59:11,034 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:59:11,034 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:59:11,034 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:59:11,035 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:59:11,035 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:59:11,035 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:59:11,035 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:59:11,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:59:11,037 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:59:11,238 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:59:11,241 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:59:11,401 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:59:11,409 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:59:11,409 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:59:11,412 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:11 BoogieIcfgContainer
[2022-11-02 20:59:11,412 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:59:11,415 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:59:11,415 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:59:11,434 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:59:11,434 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:10" (1/3) ...
[2022-11-02 20:59:11,435 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c57e1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:11, skipping insertion in model container
[2022-11-02 20:59:11,435 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:10" (2/3) ...
[2022-11-02 20:59:11,436 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c57e1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:11, skipping insertion in model container
[2022-11-02 20:59:11,436 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:11" (3/3) ...
[2022-11-02 20:59:11,437 INFO  L112   eAbstractionObserver]: Analyzing ICFG peterson.i
[2022-11-02 20:59:11,447 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:59:11,474 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:59:11,490 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2022-11-02 20:59:11,492 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c57e1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:59:11, skipping insertion in model container
[2022-11-02 20:59:11,492 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:59:11,493 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:59:11,493 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:59:11,494 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:59:11,494 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:11" (3/3) ...
[2022-11-02 20:59:11,498 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:59:11,513 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thr2
[2022-11-02 20:59:11,521 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thr1
[2022-11-02 20:59:11,525 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2022-11-02 20:59:11,526 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:59:11,526 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:59:11,526 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:59:11,585 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:59:11,585 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:59:11,587 INFO  L158              Benchmark]: Toolchain (without parser) took 1402.66ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.2MB in the beginning and 94.9MB in the end (delta: -30.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,588 INFO  L158              Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:59:11,588 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 603.07ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 89.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,589 INFO  L158              Benchmark]: Boogie Procedure Inliner took 74.77ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 61.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,590 INFO  L158              Benchmark]: Boogie Preprocessor took 63.35ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 60.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:59:11,591 INFO  L158              Benchmark]: RCFGBuilder took 483.87ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 47.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,592 INFO  L158              Benchmark]: TraceAbstraction took 77.83ms. Allocated memory is still 98.6MB. Free memory was 47.2MB in the beginning and 45.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,592 INFO  L158              Benchmark]: Witness Printer took 91.89ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 94.9MB in the end (delta: -49.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB.
[2022-11-02 20:59:11,597 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 603.07ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 89.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 74.77ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 61.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 63.35ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 60.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 483.87ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 47.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 77.83ms. Allocated memory is still 98.6MB. Free memory was 47.2MB in the beginning and 45.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 91.89ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 94.9MB in the end (delta: -49.9MB). Peak memory consumption was 6.5MB. 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 specifiation because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:59:11,659 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88abd9b-069c-4941-8161-38d5976bd55a/bin/uautomizer-Dbtcem3rbc/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