./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:16:11,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:16:11,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:16:11,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:16:11,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:16:11,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:16:11,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:16:11,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:16:11,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:16:11,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:16:11,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:16:11,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:16:11,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:16:11,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:16:11,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:16:11,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:16:11,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:16:11,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:16:11,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:16:11,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:16:11,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:16:11,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:16:11,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:16:11,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:16:11,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:16:11,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:16:11,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:16:11,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:16:11,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:16:11,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:16:11,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:16:11,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:16:11,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:16:11,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:16:11,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:16:11,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:16:11,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:16:11,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:16:11,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:16:11,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:16:11,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:16:11,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:16:11,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:16:11,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:16:11,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:16:11,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:16:11,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:16:11,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:16:11,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:16:11,739 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:16:11,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:16:11,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:16:11,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:16:11,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:16:11,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:16:11,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:16:11,741 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:16:11,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:16:11,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:16:11,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:16:11,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:16:11,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:16:11,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:16:11,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:11,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:16:11,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:16:11,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:16:11,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:16:11,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:16:11,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:16:11,744 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_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-11-20 18:16:12,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:16:12,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:16:12,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:16:12,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:16:12,063 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:16:12,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-20 18:16:15,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:16:15,583 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:16:15,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-20 18:16:15,611 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/bd73a7259/f37e0de30dd04b14ab2214edb35fc312/FLAG2040c35dc [2022-11-20 18:16:15,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/bd73a7259/f37e0de30dd04b14ab2214edb35fc312 [2022-11-20 18:16:15,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:16:15,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:16:15,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:15,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:16:15,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:16:15,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:15" (1/1) ... [2022-11-20 18:16:15,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c363478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:15, skipping insertion in model container [2022-11-20 18:16:15,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:15" (1/1) ... [2022-11-20 18:16:15,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:16:15,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:16:16,508 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-20 18:16:16,556 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-20 18:16:16,564 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-20 18:16:16,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:16,601 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:16:16,685 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-20 18:16:16,702 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-20 18:16:16,706 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-20 18:16:16,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:16,808 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:16:16,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16 WrapperNode [2022-11-20 18:16:16,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:16,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:16,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:16:16,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:16:16,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,929 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 403 [2022-11-20 18:16:16,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:16,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:16:16,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:16:16,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:16:16,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:16,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:17,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:17,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:17,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:17,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:16:17,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:16:17,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:16:17,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:16:17,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:16" (1/1) ... [2022-11-20 18:16:17,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:17,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:16:17,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:16:17,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:16:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-11-20 18:16:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-11-20 18:16:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:16:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:16:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:16:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:16:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:16:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:16:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:16:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-11-20 18:16:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-11-20 18:16:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:16:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:16:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-20 18:16:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-20 18:16:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:16:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:16:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-20 18:16:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-20 18:16:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:16:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-11-20 18:16:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-11-20 18:16:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:16:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-11-20 18:16:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-11-20 18:16:17,120 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:16:17,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:16:17,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:16:18,276 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:16:18,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:16:18,335 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 18:16:18,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:18 BoogieIcfgContainer [2022-11-20 18:16:18,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:16:18,339 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:16:18,339 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:16:18,349 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:16:18,349 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:18" (1/1) ... [2022-11-20 18:16:18,350 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) [2022-11-20 18:16:18,355 INFO L158 Benchmark]: Toolchain (without parser) took 2717.88ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 134.2MB in the beginning and 136.5MB in the end (delta: -2.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-20 18:16:18,355 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 169.9MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:18,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1172.02ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 75.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 18:16:18,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.44ms. Allocated memory is still 169.9MB. Free memory was 75.1MB in the beginning and 135.7MB in the end (delta: -60.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-20 18:16:18,358 INFO L158 Benchmark]: Boogie Preprocessor took 87.17ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 135.6MB in the beginning and 183.7MB in the end (delta: -48.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-20 18:16:18,358 INFO L158 Benchmark]: RCFGBuilder took 1319.67ms. Allocated memory is still 218.1MB. Free memory was 183.7MB in the beginning and 137.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 18:16:18,359 INFO L158 Benchmark]: CodeCheck took 14.46ms. Allocated memory is still 218.1MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:18,362 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 169.9MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1172.02ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 75.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.44ms. Allocated memory is still 169.9MB. Free memory was 75.1MB in the beginning and 135.7MB in the end (delta: -60.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.17ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 135.6MB in the beginning and 183.7MB in the end (delta: -48.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1319.67ms. Allocated memory is still 218.1MB. Free memory was 183.7MB in the beginning and 137.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 14.46ms. Allocated memory is still 218.1MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:16:18,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:16:20,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:16:20,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:16:20,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:16:20,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:16:20,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:16:20,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:16:20,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:16:20,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:16:20,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:16:20,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:16:20,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:16:20,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:16:20,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:16:20,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:16:21,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:16:21,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:16:21,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:16:21,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:16:21,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:16:21,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:16:21,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:16:21,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:16:21,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:16:21,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:16:21,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:16:21,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:16:21,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:16:21,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:16:21,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:16:21,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:16:21,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:16:21,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:16:21,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:16:21,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:16:21,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:16:21,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:16:21,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:16:21,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:16:21,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:16:21,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:16:21,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 18:16:21,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:16:21,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:16:21,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:16:21,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:16:21,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:16:21,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:16:21,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:16:21,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:16:21,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:16:21,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:16:21,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:16:21,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:16:21,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:16:21,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:16:21,060 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:16:21,060 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:16:21,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:16:21,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:16:21,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:16:21,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:16:21,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:16:21,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:16:21,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:16:21,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:21,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:16:21,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:16:21,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:16:21,064 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:16:21,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:16:21,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:16:21,065 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:16:21,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:16:21,065 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_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-11-20 18:16:21,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:16:21,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:16:21,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:16:21,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:16:21,492 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:16:21,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-20 18:16:24,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:16:25,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:16:25,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-20 18:16:25,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/07952f2a6/e4a2fd659b6548069cdc35125c57a769/FLAGf9188f1f2 [2022-11-20 18:16:25,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/data/07952f2a6/e4a2fd659b6548069cdc35125c57a769 [2022-11-20 18:16:25,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:16:25,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:16:25,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:25,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:16:25,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:16:25,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:25" (1/1) ... [2022-11-20 18:16:25,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e15e9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:25, skipping insertion in model container [2022-11-20 18:16:25,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:25" (1/1) ... [2022-11-20 18:16:25,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:16:25,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:16:26,218 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-20 18:16:26,273 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-20 18:16:26,283 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-20 18:16:26,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:26,337 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:16:26,414 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-20 18:16:26,434 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-20 18:16:26,445 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_4af85278-eed5-4bb9-822f-c907199a0b6b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-20 18:16:26,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:16:26,631 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:16:26,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26 WrapperNode [2022-11-20 18:16:26,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:16:26,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:26,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:16:26,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:16:26,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,748 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2022-11-20 18:16:26,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:16:26,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:16:26,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:16:26,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:16:26,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:16:26,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:16:26,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:16:26,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:16:26,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:26" (1/1) ... [2022-11-20 18:16:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:16:26,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:16:26,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:16:26,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:16:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-11-20 18:16:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-11-20 18:16:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:16:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:16:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:16:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 18:16:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:16:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:16:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:16:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:16:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-11-20 18:16:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-11-20 18:16:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:16:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:16:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:16:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-20 18:16:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-20 18:16:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:16:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:16:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:16:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-20 18:16:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-20 18:16:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-11-20 18:16:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-11-20 18:16:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-11-20 18:16:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-11-20 18:16:26,993 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:16:27,481 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:16:27,483 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:16:28,375 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:16:28,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:16:28,429 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 18:16:28,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:28 BoogieIcfgContainer [2022-11-20 18:16:28,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:16:28,436 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:16:28,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:16:28,447 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:16:28,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:28" (1/1) ... [2022-11-20 18:16:28,448 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:16:28,454 INFO L158 Benchmark]: Toolchain (without parser) took 3293.05ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 56.1MB in the end (delta: 20.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,455 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:28,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.53ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 51.6MB in the end (delta: 24.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.19ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 46.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,458 INFO L158 Benchmark]: Boogie Preprocessor took 96.06ms. Allocated memory is still 102.8MB. Free memory was 46.3MB in the beginning and 41.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,459 INFO L158 Benchmark]: RCFGBuilder took 1586.95ms. Allocated memory is still 102.8MB. Free memory was 41.1MB in the beginning and 56.9MB in the end (delta: -15.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,461 INFO L158 Benchmark]: CodeCheck took 16.32ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 866.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:16:28,468 INFO L339 ainManager$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 0.30ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.53ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 51.6MB in the end (delta: 24.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.19ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 46.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.06ms. Allocated memory is still 102.8MB. Free memory was 46.3MB in the beginning and 41.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1586.95ms. Allocated memory is still 102.8MB. Free memory was 41.1MB in the beginning and 56.9MB in the end (delta: -15.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 16.32ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 866.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:16:28,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af85278-eed5-4bb9-822f-c907199a0b6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported