./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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-6b4ec56 [2022-11-20 17:48:50,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:48:50,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:48:51,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:48:51,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:48:51,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:48:51,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:48:51,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:48:51,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:48:51,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:48:51,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:48:51,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:48:51,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:48:51,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:48:51,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:48:51,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:48:51,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:48:51,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:48:51,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:48:51,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:48:51,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:48:51,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:48:51,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:48:51,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:48:51,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:48:51,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:48:51,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:48:51,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:48:51,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:48:51,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:48:51,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:48:51,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:48:51,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:48:51,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:48:51,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:48:51,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:48:51,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:48:51,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:48:51,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:48:51,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:48:51,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:48:51,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:48:51,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:48:51,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:48:51,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:48:51,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:48:51,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:48:51,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:48:51,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:48:51,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:48:51,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:48:51,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:48:51,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:48:51,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:48:51,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:48:51,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:48:51,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:48:51,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:48:51,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:48:51,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:48:51,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:48:51,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:48:51,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:48:51,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:48:51,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:48:51,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:51,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:48:51,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:48:51,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:48:51,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:48:51,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:48:51,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:48:51,135 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_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 17:48:51,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:48:51,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:48:51,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:48:51,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:48:51,456 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:48:51,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:48:54,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:48:54,931 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:48:54,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:48:54,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/3be507ad4/15ff3b7205b948a5ab27389da6669cd7/FLAG2498582e8 [2022-11-20 17:48:54,968 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/3be507ad4/15ff3b7205b948a5ab27389da6669cd7 [2022-11-20 17:48:54,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:48:54,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:48:54,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:54,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:48:54,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:48:54,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:54" (1/1) ... [2022-11-20 17:48:54,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653e8a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:54, skipping insertion in model container [2022-11-20 17:48:54,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:54" (1/1) ... [2022-11-20 17:48:54,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:48:55,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:48:55,496 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_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:48:55,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:55,523 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:48:55,577 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_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:48:55,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:55,616 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:48:55,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55 WrapperNode [2022-11-20 17:48:55,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:55,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:55,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:48:55,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:48:55,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,695 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-11-20 17:48:55,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:55,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:48:55,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:48:55,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:48:55,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:48:55,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:48:55,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:48:55,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:48:55,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:55" (1/1) ... [2022-11-20 17:48:55,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:48:55,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:48:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:48:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:48:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:48:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:48:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:48:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:48:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:48:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:48:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:48:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:48:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:48:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:48:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:48:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:48:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:48:55,858 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:48:56,037 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:48:56,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:48:56,367 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:48:56,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:48:56,509 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:48:56,510 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 17:48:56,510 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:48:56,521 INFO L158 Benchmark]: Toolchain (without parser) took 1546.90ms. Allocated memory is still 151.0MB. Free memory was 119.8MB in the beginning and 68.1MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:48:56,521 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:48:56,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.96ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 99.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:48:56,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.29ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:56,523 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:56,524 INFO L158 Benchmark]: RCFGBuilder took 758.74ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 68.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 17:48:56,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.96ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 99.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.29ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.74ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 68.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:48:56,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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-6b4ec56 [2022-11-20 17:48:59,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:48:59,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:48:59,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:48:59,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:48:59,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:48:59,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:48:59,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:48:59,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:48:59,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:48:59,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:48:59,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:48:59,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:48:59,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:48:59,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:48:59,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:48:59,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:48:59,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:48:59,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:48:59,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:48:59,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:48:59,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:48:59,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:48:59,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:48:59,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:48:59,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:48:59,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:48:59,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:48:59,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:48:59,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:48:59,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:48:59,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:48:59,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:48:59,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:48:59,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:48:59,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:48:59,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:48:59,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:48:59,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:48:59,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:48:59,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:48:59,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:48:59,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:48:59,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:48:59,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:48:59,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:48:59,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:48:59,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:48:59,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:48:59,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:48:59,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:48:59,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:48:59,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:48:59,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:48:59,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:48:59,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:48:59,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:48:59,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:48:59,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:48:59,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:48:59,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:48:59,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:48:59,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:48:59,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:48:59,253 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:48:59,253 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:48:59,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:48:59,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:59,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:48:59,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:48:59,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:48:59,254 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:48:59,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:48:59,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:48:59,257 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:48:59,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:48:59,257 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 17:48:59,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:48:59,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:48:59,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:48:59,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:48:59,700 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:48:59,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:49:02,723 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:49:03,128 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:49:03,133 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:49:03,154 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/124b3fd05/341813e826d64a1db5390b3f0be86e2f/FLAG7245f1360 [2022-11-20 17:49:03,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/data/124b3fd05/341813e826d64a1db5390b3f0be86e2f [2022-11-20 17:49:03,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:49:03,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:49:03,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:49:03,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:49:03,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:49:03,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:03,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b389355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03, skipping insertion in model container [2022-11-20 17:49:03,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:03,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:49:03,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:49:03,739 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_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:49:03,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:49:03,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:49:03,834 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_13c26afc-f447-4ef6-8941-e080d62dd062/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:49:03,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:49:03,918 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:49:03,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03 WrapperNode [2022-11-20 17:49:03,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:49:03,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:49:03,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:49:03,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:49:03,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:03,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,028 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-11-20 17:49:04,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:49:04,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:49:04,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:49:04,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:49:04,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:49:04,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:49:04,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:49:04,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:49:04,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:03" (1/1) ... [2022-11-20 17:49:04,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:49:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:49:04,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:49:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:49:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:49:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:49:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:49:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:49:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:49:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:49:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:49:04,171 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:49:04,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:49:04,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:49:04,794 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:49:04,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:49:04,953 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:49:04,954 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 17:49:04,955 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:49:04,965 INFO L158 Benchmark]: Toolchain (without parser) took 1768.23ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 55.0MB in the end (delta: 7.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-11-20 17:49:04,965 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:49:04,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.16ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 61.9MB in the end (delta: 412.5kB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-11-20 17:49:04,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.74ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:49:04,968 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:49:04,969 INFO L158 Benchmark]: RCFGBuilder took 872.82ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 55.0MB in the end (delta: 2.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-20 17:49:04,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.16ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 61.9MB in the end (delta: 412.5kB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.74ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.82ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 55.0MB in the end (delta: 2.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:49:04,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c26afc-f447-4ef6-8941-e080d62dd062/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?