./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg --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 e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- 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-b5237d8 [2022-11-21 22:03:37,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:37,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:37,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:37,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:37,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:37,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:37,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:37,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:37,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:37,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:37,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:37,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:37,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:37,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:37,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:37,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:37,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:37,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:37,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:37,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:37,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:37,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:37,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:37,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:37,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:37,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:37,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:37,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:37,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:37,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:37,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:37,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:37,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:37,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:37,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:37,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:37,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:37,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:37,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:37,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:37,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:03:37,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:37,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:37,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:37,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:37,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:37,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:37,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:37,991 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:03:37,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:37,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:03:37,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:03:37,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:37,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:37,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:37,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:37,994 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:37,994 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:03:37,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:37,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:37,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:37,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:37,995 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:37,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:37,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:37,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:37,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:37,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:37,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:03:37,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:03:37,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:37,998 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_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2022-11-21 22:03:38,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:38,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:38,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:38,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:38,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:38,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-11-21 22:03:41,513 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:41,780 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:41,781 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-11-21 22:03:41,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/cb5d5673e/77ae505c0e1c45e5bfa9279449b9e46b/FLAGedbb0eafb [2022-11-21 22:03:41,817 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/cb5d5673e/77ae505c0e1c45e5bfa9279449b9e46b [2022-11-21 22:03:41,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:41,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:41,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:41,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:41,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:41,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:41" (1/1) ... [2022-11-21 22:03:41,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ea2ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:41, skipping insertion in model container [2022-11-21 22:03:41,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:41" (1/1) ... [2022-11-21 22:03:41,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:41,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:42,312 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_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-11-21 22:03:42,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:42,345 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:42,422 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_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-11-21 22:03:42,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:42,470 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:42,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42 WrapperNode [2022-11-21 22:03:42,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:42,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:42,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:42,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:42,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,555 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-11-21 22:03:42,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:42,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:42,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:42,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:42,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:42,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:42,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:42,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:42,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:42" (1/1) ... [2022-11-21 22:03:42,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:42,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:42,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:42,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:03:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:03:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:03:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:03:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:03:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:03:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:03:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:03:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:03:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:03:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:03:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:42,736 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:03:42,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:42,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:43,265 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:43,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:43,417 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:03:43,419 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 22:03:43,419 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) [2022-11-21 22:03:43,430 INFO L158 Benchmark]: Toolchain (without parser) took 1604.15ms. Allocated memory is still 136.3MB. Free memory was 97.2MB in the beginning and 45.7MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-21 22:03:43,430 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:43,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.89ms. Allocated memory is still 136.3MB. Free memory was 97.2MB in the beginning and 76.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:03:43,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 74.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:03:43,432 INFO L158 Benchmark]: Boogie Preprocessor took 62.62ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:43,432 INFO L158 Benchmark]: RCFGBuilder took 808.54ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 22:03:43,434 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 109.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.89ms. Allocated memory is still 136.3MB. Free memory was 97.2MB in the beginning and 76.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 74.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.62ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 808.54ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 26.9MB). 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. [2022-11-21 22:03:43,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg --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 e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- 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-b5237d8 [2022-11-21 22:03:45,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:45,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:45,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:45,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:45,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:45,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:45,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:45,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:45,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:45,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:45,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:45,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:45,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:45,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:45,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:45,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:45,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:45,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:45,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:45,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:45,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:45,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:45,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:46,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:46,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:46,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:46,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:46,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:46,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:46,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:46,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:46,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:46,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:46,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:46,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:46,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:46,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:46,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:46,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:46,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:46,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:03:46,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:46,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:46,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:46,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:46,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:46,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:46,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:46,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:03:46,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:46,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:03:46,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:46,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:46,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:46,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:46,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:03:46,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:03:46,070 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:46,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:03:46,070 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:03:46,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:46,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:46,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:46,071 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:46,071 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:46,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:46,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:46,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:46,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:46,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:46,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:03:46,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:03:46,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:46,073 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:03:46,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:03:46,074 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_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2022-11-21 22:03:46,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:46,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:46,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:46,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:46,475 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:46,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-11-21 22:03:49,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:49,894 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:49,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-11-21 22:03:49,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/edf317e78/9595aee8db49407c9a7602c7f7c4bdff/FLAG90f3d1f03 [2022-11-21 22:03:49,922 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/data/edf317e78/9595aee8db49407c9a7602c7f7c4bdff [2022-11-21 22:03:49,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:49,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:49,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:49,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:49,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:49,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:49" (1/1) ... [2022-11-21 22:03:49,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403e6c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:49, skipping insertion in model container [2022-11-21 22:03:49,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:49" (1/1) ... [2022-11-21 22:03:49,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:49,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:50,387 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_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-11-21 22:03:50,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:50,425 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:50,525 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_2235bf12-d49c-4b27-a7a7-31825181d871/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-11-21 22:03:50,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:50,603 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:50,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50 WrapperNode [2022-11-21 22:03:50,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:50,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:50,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:50,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:50,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,694 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-11-21 22:03:50,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:50,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:50,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:50,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:50,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:50,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:50,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:50,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:50,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:50" (1/1) ... [2022-11-21 22:03:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:50,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:50,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:50,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:03:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:03:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:03:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:03:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:03:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:03:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:03:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:03:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:03:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:03:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:03:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:03:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:50,853 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:03:51,099 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:51,101 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:51,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:51,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:51,680 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:03:51,681 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 22:03:51,682 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) [2022-11-21 22:03:51,696 INFO L158 Benchmark]: Toolchain (without parser) took 1768.41ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 54.4MB in the beginning and 70.2MB in the end (delta: -15.8MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-21 22:03:51,696 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:51,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.04ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 77.7MB in the end (delta: -23.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-21 22:03:51,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.37ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:51,698 INFO L158 Benchmark]: Boogie Preprocessor took 46.86ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:51,699 INFO L158 Benchmark]: RCFGBuilder took 940.45ms. Allocated memory is still 104.9MB. Free memory was 72.8MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-21 22:03:51,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.04ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 77.7MB in the end (delta: -23.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.37ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.86ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.45ms. Allocated memory is still 104.9MB. Free memory was 72.8MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 22.2MB. 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. [2022-11-21 22:03:51,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2235bf12-d49c-4b27-a7a7-31825181d871/bin/ukojak-jW3SillKbg/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?