./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:14:31,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:14:31,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:14:31,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:14:31,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:14:31,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:14:31,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:14:31,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:14:31,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:14:31,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:14:31,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:14:31,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:14:31,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:14:31,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:14:31,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:14:31,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:14:31,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:14:31,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:14:31,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:14:31,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:14:31,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:14:31,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:14:31,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:14:31,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:14:31,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:14:31,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:14:31,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:14:31,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:14:31,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:14:31,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:14:31,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:14:31,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:14:31,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:14:31,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:14:31,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:14:31,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:14:31,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:14:31,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:14:31,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:14:31,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:14:31,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:14:31,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 18:14:31,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:14:31,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:14:31,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:14:31,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:14:31,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:14:31,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:14:31,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:14:31,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:14:31,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:14:31,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:14:31,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:14:31,747 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:14:31,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:14:31,747 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2022-12-14 18:14:31,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:14:31,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:14:31,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:14:31,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:14:31,949 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:14:31,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-14 18:14:34,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:14:34,687 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:14:34,687 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-14 18:14:34,696 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/3f6620020/c6a38bfb11304603b2ba4ce94b539d37/FLAG6c8739df3 [2022-12-14 18:14:34,708 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/3f6620020/c6a38bfb11304603b2ba4ce94b539d37 [2022-12-14 18:14:34,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:14:34,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:14:34,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:14:34,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:14:34,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:14:34,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:34" (1/1) ... [2022-12-14 18:14:34,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e8af37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:34, skipping insertion in model container [2022-12-14 18:14:34,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:34" (1/1) ... [2022-12-14 18:14:34,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:14:34,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:14:34,958 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-14 18:14:34,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:34,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:34,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:34,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:34,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:34,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:34,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:34,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:34,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:34,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:34,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:14:34,983 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:14:35,005 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-14 18:14:35,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:35,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:35,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:35,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:35,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:35,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:35,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:35,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:35,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:35,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:35,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:14:35,057 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:14:35,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35 WrapperNode [2022-12-14 18:14:35,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:14:35,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:14:35,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:14:35,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:14:35,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,087 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 18:14:35,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:14:35,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:14:35,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:14:35,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:14:35,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:14:35,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:14:35,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:14:35,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:14:35,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:14:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:14:35,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:14:35,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 18:14:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 18:14:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:14:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:14:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:14:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:14:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:14:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:14:35,167 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:14:35,263 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:14:35,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:14:35,431 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:14:35,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:14:35,436 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:14:35,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:35 BoogieIcfgContainer [2022-12-14 18:14:35,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:14:35,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:14:35,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:14:35,446 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:14:35,446 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:35" (1/1) ... [2022-12-14 18:14:35,447 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-14 18:14:35,450 INFO L158 Benchmark]: Toolchain (without parser) took 737.37ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 90.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2022-12-14 18:14:35,451 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:14:35,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.33ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 109.1MB in the end (delta: -16.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-14 18:14:35,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.44ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:14:35,453 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 140.5MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:14:35,453 INFO L158 Benchmark]: RCFGBuilder took 332.38ms. Allocated memory is still 140.5MB. Free memory was 105.7MB in the beginning and 91.0MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:14:35,454 INFO L158 Benchmark]: CodeCheck took 10.07ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 90.1MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:14:35,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.33ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 109.1MB in the end (delta: -16.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.44ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 140.5MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.38ms. Allocated memory is still 140.5MB. Free memory was 105.7MB in the beginning and 91.0MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10.07ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 90.1MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:14:35,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/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_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:14:37,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:14:37,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:14:37,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:14:37,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:14:37,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:14:37,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:14:37,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:14:37,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:14:37,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:14:37,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:14:37,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:14:37,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:14:37,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:14:37,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:14:37,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:14:37,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:14:37,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:14:37,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:14:37,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:14:37,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:14:37,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:14:37,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:14:37,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:14:37,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:14:37,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:14:37,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:14:37,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:14:37,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:14:37,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:14:37,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:14:37,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:14:37,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:14:37,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:14:37,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:14:37,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:14:37,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:14:37,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:14:37,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:14:37,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:14:37,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:14:37,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 18:14:37,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:14:37,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:14:37,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:14:37,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:14:37,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:14:37,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:14:37,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:14:37,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:14:37,079 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:14:37,080 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:14:37,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:14:37,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:14:37,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:14:37,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:14:37,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:14:37,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:14:37,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:14:37,081 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:14:37,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:14:37,081 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:14:37,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:14:37,081 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2022-12-14 18:14:37,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:14:37,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:14:37,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:14:37,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:14:37,309 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:14:37,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-14 18:14:39,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:14:40,021 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:14:40,021 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-12-14 18:14:40,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/7659e7070/022de38a46824648998f2fec35dd3c2e/FLAGa962062ea [2022-12-14 18:14:40,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/data/7659e7070/022de38a46824648998f2fec35dd3c2e [2022-12-14 18:14:40,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:14:40,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:14:40,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:14:40,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:14:40,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:14:40,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c77771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40, skipping insertion in model container [2022-12-14 18:14:40,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:14:40,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:14:40,274 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-14 18:14:40,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:14:40,304 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:14:40,328 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_1911a064-c0e2-4b80-971c-fbca68bf22f2/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-12-14 18:14:40,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:14:40,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:14:40,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:14:40,367 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:14:40,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40 WrapperNode [2022-12-14 18:14:40,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:14:40,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:14:40,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:14:40,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:14:40,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,406 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 18:14:40,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:14:40,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:14:40,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:14:40,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:14:40,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:14:40,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:14:40,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:14:40,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:14:40,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:14:40,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:14:40,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:14:40,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:14:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 18:14:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 18:14:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 18:14:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 18:14:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:14:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:14:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:14:40,489 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:14:40,608 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:14:40,610 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:14:40,818 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:14:40,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:14:40,825 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:14:40,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:40 BoogieIcfgContainer [2022-12-14 18:14:40,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:14:40,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:14:40,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:14:40,836 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:14:40,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:40" (1/1) ... [2022-12-14 18:14:40,837 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-14 18:14:40,840 INFO L158 Benchmark]: Toolchain (without parser) took 795.43ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 39.2MB in the end (delta: 20.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-14 18:14:40,840 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:14:40,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.78ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 59.9MB in the end (delta: -791.4kB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-12-14 18:14:40,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.35ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:14:40,841 INFO L158 Benchmark]: Boogie Preprocessor took 20.24ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:14:40,842 INFO L158 Benchmark]: RCFGBuilder took 400.45ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 40.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:14:40,842 INFO L158 Benchmark]: CodeCheck took 9.76ms. Allocated memory is still 81.8MB. Free memory was 40.0MB in the beginning and 39.2MB in the end (delta: 766.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:14:40,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.78ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 59.9MB in the end (delta: -791.4kB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.35ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.24ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.45ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 40.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 9.76ms. Allocated memory is still 81.8MB. Free memory was 40.0MB in the beginning and 39.2MB in the end (delta: 766.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:14:40,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1911a064-c0e2-4b80-971c-fbca68bf22f2/bin/ukojak-rkRKPMF4O4/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: Concurrent programs are currently unsupported