./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 4e7fbc69
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_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am --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 adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376
--- 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-4e7fbc6
[2022-11-23 06:47:28,313 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-23 06:47:28,315 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-23 06:47:28,341 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-23 06:47:28,348 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-23 06:47:28,351 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-23 06:47:28,356 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-23 06:47:28,361 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-23 06:47:28,363 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-23 06:47:28,365 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-23 06:47:28,367 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-23 06:47:28,369 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-23 06:47:28,370 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-23 06:47:28,376 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-23 06:47:28,377 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-23 06:47:28,380 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-23 06:47:28,382 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-23 06:47:28,384 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-23 06:47:28,385 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-23 06:47:28,387 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-23 06:47:28,392 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-23 06:47:28,393 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-23 06:47:28,395 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-23 06:47:28,396 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-23 06:47:28,402 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-23 06:47:28,406 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-23 06:47:28,407 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-23 06:47:28,408 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-23 06:47:28,409 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-23 06:47:28,410 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-23 06:47:28,413 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-23 06:47:28,414 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-23 06:47:28,415 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-23 06:47:28,416 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-23 06:47:28,418 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-23 06:47:28,419 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-23 06:47:28,419 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-23 06:47:28,420 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-23 06:47:28,420 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-23 06:47:28,422 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-23 06:47:28,423 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-23 06:47:28,424 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf
[2022-11-23 06:47:28,457 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-23 06:47:28,457 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-23 06:47:28,457 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-23 06:47:28,458 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-23 06:47:28,458 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-23 06:47:28,459 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-23 06:47:28,459 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-23 06:47:28,459 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-23 06:47:28,460 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-23 06:47:28,460 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-23 06:47:28,461 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-23 06:47:28,461 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-23 06:47:28,461 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-23 06:47:28,461 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-23 06:47:28,462 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-23 06:47:28,463 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-23 06:47:28,463 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-23 06:47:28,463 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-23 06:47:28,463 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-23 06:47:28,463 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-23 06:47:28,463 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-23 06:47:28,464 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 06:47:28,464 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-23 06:47:28,464 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-23 06:47:28,464 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-23 06:47:28,464 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-23 06:47:28,465 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-11-23 06:47:28,465 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-11-23 06:47:28,466 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-11-23 06:47:28,467 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/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_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am
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 -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376
[2022-11-23 06:47:28,772 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-23 06:47:28,800 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-23 06:47:28,802 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-23 06:47:28,803 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-23 06:47:28,804 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-23 06:47:28,805 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i
[2022-11-23 06:47:31,880 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-23 06:47:32,222 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-23 06:47:32,226 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i
[2022-11-23 06:47:32,266 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/data/740a71d79/d0033b324d1e45c691a5689a5f164c97/FLAGb1f919899
[2022-11-23 06:47:32,293 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/data/740a71d79/d0033b324d1e45c691a5689a5f164c97
[2022-11-23 06:47:32,295 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-23 06:47:32,296 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-23 06:47:32,298 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-23 06:47:32,298 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-23 06:47:32,306 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-23 06:47:32,307 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:32,308 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4380502f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32, skipping insertion in model container
[2022-11-23 06:47:32,308 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:32,316 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-23 06:47:32,356 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-23 06:47:32,750 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710]
[2022-11-23 06:47:32,757 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983]
[2022-11-23 06:47:32,760 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246]
[2022-11-23 06:47:32,768 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-23 06:47:32,780 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-23 06:47:32,831 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710]
[2022-11-23 06:47:32,832 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983]
[2022-11-23 06:47:32,834 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_30b409b8-4d74-4af7-8c3b-e07265a9c742/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246]
[2022-11-23 06:47:32,849 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-23 06:47:32,893 INFO  L208         MainTranslator]: Completed translation
[2022-11-23 06:47:32,894 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32 WrapperNode
[2022-11-23 06:47:32,894 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-23 06:47:32,896 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-23 06:47:32,897 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-23 06:47:32,897 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-23 06:47:32,905 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:32,941 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:32,977 INFO  L138                Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 141
[2022-11-23 06:47:32,978 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-23 06:47:32,978 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-23 06:47:32,979 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-23 06:47:32,980 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-23 06:47:32,990 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:32,991 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,007 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,007 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,012 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,016 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,018 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,030 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,033 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-23 06:47:33,034 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-23 06:47:33,034 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-23 06:47:33,035 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-23 06:47:33,035 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (1/1) ...
[2022-11-23 06:47:33,051 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 06:47:33,062 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/z3
[2022-11-23 06:47:33,076 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-23 06:47:33,103 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-23 06:47:33,123 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-11-23 06:47:33,123 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2022-11-23 06:47:33,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2022-11-23 06:47:33,124 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-23 06:47:33,124 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-23 06:47:33,124 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-23 06:47:33,124 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-23 06:47:33,125 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-23 06:47:33,125 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-23 06:47:33,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-23 06:47:33,127 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-23 06:47:33,320 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-23 06:47:33,331 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-23 06:47:33,593 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-23 06:47:33,710 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-23 06:47:33,710 INFO  L300             CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-23 06:47:33,720 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:47:33 BoogieIcfgContainer
[2022-11-23 06:47:33,720 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-23 06:47:33,723 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-23 06:47:33,723 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-23 06:47:33,726 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-23 06:47:33,726 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:47:32" (1/3) ...
[2022-11-23 06:47:33,727 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@966a416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:47:33, skipping insertion in model container
[2022-11-23 06:47:33,727 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:47:32" (2/3) ...
[2022-11-23 06:47:33,728 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@966a416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:47:33, skipping insertion in model container
[2022-11-23 06:47:33,728 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:47:33" (3/3) ...
[2022-11-23 06:47:33,729 INFO  L112   eAbstractionObserver]: Analyzing ICFG 08_rand_cas.i
[2022-11-23 06:47:33,747 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-23 06:47:33,758 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-23 06:47:33,760 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2022-11-23 06:47:33,762 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@966a416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:47:33, skipping insertion in model container
[2022-11-23 06:47:33,763 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-23 06:47:33,763 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-23 06:47:33,764 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-23 06:47:33,764 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-23 06:47:33,764 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:47:33" (3/3) ...
[2022-11-23 06:47:33,768 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-23 06:47:33,774 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thr1
[2022-11-23 06:47:33,779 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-23 06:47:33,780 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-23 06:47:33,780 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-23 06:47:33,780 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-23 06:47:33,820 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/witness.graphml
[2022-11-23 06:47:33,820 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-23 06:47:33,822 INFO  L158              Benchmark]: Toolchain (without parser) took 1524.88ms. Allocated memory is still 146.8MB. Free memory was 118.5MB in the beginning and 66.7MB in the end (delta: 51.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,822 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 06:47:33,823 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 596.92ms. Allocated memory is still 146.8MB. Free memory was 118.5MB in the beginning and 98.2MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,824 INFO  L158              Benchmark]: Boogie Procedure Inliner took 81.86ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 95.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,824 INFO  L158              Benchmark]: Boogie Preprocessor took 55.44ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 94.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,825 INFO  L158              Benchmark]: RCFGBuilder took 686.32ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 71.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,825 INFO  L158              Benchmark]: TraceAbstraction took 40.08ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,826 INFO  L158              Benchmark]: Witness Printer took 56.99ms. Allocated memory is still 146.8MB. Free memory was 68.7MB in the beginning and 66.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 06:47:33,829 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 596.92ms. Allocated memory is still 146.8MB. Free memory was 118.5MB in the beginning and 98.2MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 81.86ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 95.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 55.44ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 94.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 686.32ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 71.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 40.08ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 56.99ms. Allocated memory is still 146.8MB. Free memory was 68.7MB in the beginning and 66.7MB in the end (delta: 1.9MB). 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!
[2022-11-23 06:47:33,855 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b409b8-4d74-4af7-8c3b-e07265a9c742/bin/ugemcutter-1C6z4D84am/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