./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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_4feb1c3a-85a5-456c-8f55-82632188ae54/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 adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:00:18,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:00:18,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:00:18,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:00:18,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:00:18,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:00:18,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:00:18,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:00:18,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:00:18,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:00:18,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:00:18,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:00:18,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:00:18,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:00:18,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:00:18,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:00:18,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:00:18,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:00:18,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:00:18,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:00:18,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:00:18,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:00:18,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:00:18,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:00:18,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:00:18,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:00:18,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:00:18,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:00:18,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:00:18,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:00:18,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:00:18,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:00:18,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:00:18,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:00:18,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:00:18,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:00:18,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:00:18,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:00:18,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:00:18,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:00:18,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:00:18,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:00:18,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:00:18,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:00:18,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:00:18,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:00:18,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:00:18,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:00:18,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:00:18,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:00:18,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:00:18,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:00:18,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:00:18,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:00:18,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:00:18,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:00:18,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:00:18,934 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:00:18,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:00:18,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:00:18,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:00:18,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:00:18,935 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:00:18,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:00:18,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:00:18,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:18,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:00:18,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:00:18,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:00:18,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:00:18,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:00:18,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:00:18,938 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_4feb1c3a-85a5-456c-8f55-82632188ae54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-11-21 22:00:19,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:00:19,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:00:19,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:00:19,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:00:19,274 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:00:19,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-21 22:00:22,398 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:22,721 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:22,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-21 22:00:22,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/bd664cbd2/2e83c80af3264781a894535770b26699/FLAG46a105630 [2022-11-21 22:00:22,760 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/bd664cbd2/2e83c80af3264781a894535770b26699 [2022-11-21 22:00:22,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:22,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:22,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:22,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:22,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:22,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:22" (1/1) ... [2022-11-21 22:00:22,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d1a9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:22, skipping insertion in model container [2022-11-21 22:00:22,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:22" (1/1) ... [2022-11-21 22:00:22,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:22,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:23,177 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-21 22:00:23,185 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-21 22:00:23,188 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-21 22:00:23,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:23,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:00:23,276 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-21 22:00:23,282 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-21 22:00:23,285 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-21 22:00:23,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:23,335 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:00:23,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23 WrapperNode [2022-11-21 22:00:23,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:23,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:23,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:00:23,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:00:23,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,416 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 128 [2022-11-21 22:00:23,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:23,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:23,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:23,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:23,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:23,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:23,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:23,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:23,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:23" (1/1) ... [2022-11-21 22:00:23,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:23,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:23,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:00:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:00:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:00:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:00:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:00:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:00:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:00:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:00:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:00:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:00:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:00:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:23,572 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 22:00:23,728 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:23,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:24,004 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:24,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:24,085 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:00:24,086 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 22:00:24,087 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 22:00:24,090 INFO L158 Benchmark]: Toolchain (without parser) took 1322.43ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 85.6MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 22:00:24,091 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:24,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.19ms. Allocated memory is still 163.6MB. Free memory was 129.7MB in the beginning and 109.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:00:24,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.71ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:24,093 INFO L158 Benchmark]: Boogie Preprocessor took 60.24ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:24,094 INFO L158 Benchmark]: RCFGBuilder took 611.19ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 85.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:00:24,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.19ms. Allocated memory is still 163.6MB. Free memory was 129.7MB in the beginning and 109.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.71ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.24ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.19ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 85.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. 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 22:00:24,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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 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_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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_4feb1c3a-85a5-456c-8f55-82632188ae54/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 adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:00:26,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:00:26,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:00:26,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:00:26,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:00:26,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:00:26,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:00:26,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:00:26,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:00:26,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:00:26,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:00:26,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:00:26,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:00:26,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:00:26,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:00:26,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:00:26,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:00:26,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:00:26,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:00:26,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:00:26,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:00:26,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:00:26,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:00:26,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:00:26,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:00:26,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:00:26,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:00:26,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:00:26,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:00:26,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:00:26,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:00:26,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:00:26,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:00:26,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:00:26,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:00:26,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:00:26,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:00:26,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:00:26,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:00:26,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:00:26,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:00:26,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:00:26,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:00:26,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:00:26,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:00:26,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:00:26,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:00:26,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:00:26,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:00:26,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:00:26,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:00:26,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:00:26,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:00:26,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:00:26,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:00:26,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:00:26,599 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:00:26,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:00:26,600 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:00:26,600 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:00:26,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:00:26,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:00:26,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:00:26,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:00:26,601 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:00:26,601 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:00:26,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:00:26,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:26,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:00:26,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:00:26,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:00:26,603 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:00:26,603 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:00:26,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:00:26,604 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:00:26,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:00:26,604 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_4feb1c3a-85a5-456c-8f55-82632188ae54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-11-21 22:00:26,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:00:27,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:00:27,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:00:27,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:00:27,019 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:00:27,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-21 22:00:30,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:30,454 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:30,455 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-21 22:00:30,467 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/15cac6ea8/e7f1741bc09c4962aa6066ac840a0702/FLAG7765c5787 [2022-11-21 22:00:30,493 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/data/15cac6ea8/e7f1741bc09c4962aa6066ac840a0702 [2022-11-21 22:00:30,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:30,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:30,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:30,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:30,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:30,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:30" (1/1) ... [2022-11-21 22:00:30,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59dc01c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:30, skipping insertion in model container [2022-11-21 22:00:30,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:30" (1/1) ... [2022-11-21 22:00:30,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:30,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:30,908 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-21 22:00:30,912 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-21 22:00:30,915 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-21 22:00:30,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:30,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:00:30,969 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-21 22:00:30,972 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-21 22:00:30,973 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_4feb1c3a-85a5-456c-8f55-82632188ae54/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-21 22:00:30,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:31,031 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:00:31,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31 WrapperNode [2022-11-21 22:00:31,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:31,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:31,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:00:31,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:00:31,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,109 INFO L138 Inliner]: procedures = 180, calls = 34, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 126 [2022-11-21 22:00:31,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:31,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:31,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:31,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:31,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,166 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:31,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:31,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:31,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:31,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:31" (1/1) ... [2022-11-21 22:00:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:31,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:31,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:00:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:00:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:00:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:00:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:00:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:00:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:00:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:00:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:00:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:00:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:00:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:00:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:31,275 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 22:00:31,493 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:31,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:31,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:31,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:31,928 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:00:31,929 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 22:00:31,930 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 22:00:31,934 INFO L158 Benchmark]: Toolchain (without parser) took 1433.64ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 52.2MB in the beginning and 73.5MB in the end (delta: -21.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-21 22:00:31,935 INFO L158 Benchmark]: CDTParser took 0.26ms. 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 22:00:31,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.43ms. Allocated memory is still 77.6MB. Free memory was 52.2MB in the beginning and 55.0MB in the end (delta: -2.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-21 22:00:31,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.95ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:31,936 INFO L158 Benchmark]: Boogie Preprocessor took 59.91ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:31,937 INFO L158 Benchmark]: RCFGBuilder took 760.93ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.5MB in the beginning and 73.5MB in the end (delta: -23.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-21 22:00:31,940 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 77.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.43ms. Allocated memory is still 77.6MB. Free memory was 52.2MB in the beginning and 55.0MB in the end (delta: -2.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.95ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.91ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.93ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.5MB in the beginning and 73.5MB in the end (delta: -23.0MB). Peak memory consumption was 23.8MB. 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 22:00:31,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb1c3a-85a5-456c-8f55-82632188ae54/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?