./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90
--- 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-2329fc7
[2022-12-13 08:50:47,639 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-12-13 08:50:47,642 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 08:50:47,656 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 08:50:47,656 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 08:50:47,657 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 08:50:47,658 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 08:50:47,659 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 08:50:47,660 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 08:50:47,661 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 08:50:47,661 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 08:50:47,662 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 08:50:47,662 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 08:50:47,663 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 08:50:47,664 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 08:50:47,665 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 08:50:47,665 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 08:50:47,666 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 08:50:47,667 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 08:50:47,668 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 08:50:47,669 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 08:50:47,670 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 08:50:47,671 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 08:50:47,672 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 08:50:47,674 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 08:50:47,674 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 08:50:47,675 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 08:50:47,675 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 08:50:47,676 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 08:50:47,676 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 08:50:47,677 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 08:50:47,677 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 08:50:47,678 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 08:50:47,678 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 08:50:47,679 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 08:50:47,679 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 08:50:47,680 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 08:50:47,680 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 08:50:47,680 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 08:50:47,681 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 08:50:47,681 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 08:50:47,682 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf
[2022-12-13 08:50:47,696 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-13 08:50:47,697 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 08:50:47,697 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 08:50:47,697 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 08:50:47,698 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 08:50:47,698 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 08:50:47,698 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 08:50:47,698 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-13 08:50:47,698 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-12-13 08:50:47,699 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 08:50:47,699 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-13 08:50:47,699 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 08:50:47,699 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-13 08:50:47,699 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-13 08:50:47,699 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-12-13 08:50:47,700 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-13 08:50:47,701 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-12-13 08:50:47,701 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 08:50:47,701 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-12-13 08:50:47,701 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-13 08:50:47,701 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 08:50:47,701 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 08:50:47,702 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-12-13 08:50:47,703 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 08:50:47,703 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 08:50:47,703 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 08:50:47,703 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 08:50:47,703 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_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/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_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w
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 -> GemCutter
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 -> c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90
[2022-12-13 08:50:47,868 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 08:50:47,884 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 08:50:47,886 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 08:50:47,887 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-13 08:50:47,887 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-13 08:50:47,888 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c
[2022-12-13 08:50:50,544 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-13 08:50:50,691 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-13 08:50:50,692 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c
[2022-12-13 08:50:50,697 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/cab39ba7f/9e8291941cc342ea88f2071d0b6a250b/FLAG716254cb6
[2022-12-13 08:50:50,708 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/cab39ba7f/9e8291941cc342ea88f2071d0b6a250b
[2022-12-13 08:50:50,710 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 08:50:50,711 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 08:50:50,712 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 08:50:50,712 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 08:50:50,715 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 08:50:50,715 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,716 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50, skipping insertion in model container
[2022-12-13 08:50:50,716 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,722 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-13 08:50:50,735 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-13 08:50:50,852 WARN  L237   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_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146]
[2022-12-13 08:50:50,853 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:50:50,862 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-13 08:50:50,880 WARN  L237   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_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146]
[2022-12-13 08:50:50,880 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:50:50,891 INFO  L208         MainTranslator]: Completed translation
[2022-12-13 08:50:50,891 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50 WrapperNode
[2022-12-13 08:50:50,891 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 08:50:50,892 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 08:50:50,892 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 08:50:50,892 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 08:50:50,897 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,902 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,918 INFO  L138                Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60
[2022-12-13 08:50:50,918 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 08:50:50,919 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 08:50:50,919 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 08:50:50,919 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 08:50:50,928 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,928 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,930 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,930 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,934 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,936 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,937 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,938 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,939 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 08:50:50,940 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 08:50:50,940 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 08:50:50,940 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-13 08:50:50,941 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ...
[2022-12-13 08:50:50,948 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 08:50:50,955 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 08:50:50,965 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 08:50:50,967 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 08:50:50,998 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 08:50:50,998 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-12-13 08:50:50,999 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-12-13 08:50:50,999 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 08:50:50,999 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 08:50:50,999 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 08:50:51,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 08:50:51,001 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 08:50:51,074 INFO  L235             CfgBuilder]: Building ICFG
[2022-12-13 08:50:51,076 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 08:50:51,181 INFO  L276             CfgBuilder]: Performing block encoding
[2022-12-13 08:50:51,186 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 08:50:51,186 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-13 08:50:51,188 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51 BoogieIcfgContainer
[2022-12-13 08:50:51,188 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 08:50:51,190 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 08:50:51,190 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 08:50:51,192 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-13 08:50:51,192 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:50:50" (1/3) ...
[2022-12-13 08:50:51,193 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:50:51, skipping insertion in model container
[2022-12-13 08:50:51,193 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (2/3) ...
[2022-12-13 08:50:51,193 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:50:51, skipping insertion in model container
[2022-12-13 08:50:51,193 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51" (3/3) ...
[2022-12-13 08:50:51,194 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c
[2022-12-13 08:50:51,201 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-12-13 08:50:51,209 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 08:50:51,209 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2022-12-13 08:50:51,210 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:50:51, skipping insertion in model container
[2022-12-13 08:50:51,210 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 08:50:51,211 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 08:50:51,211 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-12-13 08:50:51,211 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-12-13 08:50:51,211 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51" (3/3) ...
[2022-12-13 08:50:51,214 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-12-13 08:50:51,219 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-12-13 08:50:51,219 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-12-13 08:50:51,222 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2022-12-13 08:50:51,222 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-12-13 08:50:51,223 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-12-13 08:50:51,223 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 08:50:51,254 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/witness.graphml
[2022-12-13 08:50:51,254 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 08:50:51,255 INFO  L158              Benchmark]: Toolchain (without parser) took 543.97ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 70.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,256 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 08:50:51,256 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 179.41ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,257 INFO  L158              Benchmark]: Boogie Procedure Inliner took 26.61ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 08:50:51,257 INFO  L158              Benchmark]: Boogie Preprocessor took 20.60ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,258 INFO  L158              Benchmark]: RCFGBuilder took 247.89ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 76.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,258 INFO  L158              Benchmark]: TraceAbstraction took 20.55ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,258 INFO  L158              Benchmark]: Witness Printer took 43.44ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 08:50:51,261 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 179.41ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 26.61ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 20.60ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 247.89ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 76.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 20.55ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 43.44ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.7MB). 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!
[2022-12-13 08:50:51,281 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/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