./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.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_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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_9fbd290c-05eb-4f31-8ac3-12403af2c336/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 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-2329fc7 [2022-12-14 23:54:45,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:54:45,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:54:45,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:54:45,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:54:45,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:54:45,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:54:45,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:54:45,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:54:45,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:54:45,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:54:45,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:54:45,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:54:45,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:54:45,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:54:45,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:54:45,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:54:45,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:54:45,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:54:45,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:54:45,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:54:45,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:54:45,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:54:45,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:54:45,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:54:45,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:54:45,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:54:45,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:54:45,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:54:45,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:54:45,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:54:45,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:54:45,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:54:45,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:54:45,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:54:45,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:54:45,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:54:45,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:54:45,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:54:45,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:54:45,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:54:45,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 23:54:45,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:54:45,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:54:45,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:54:45,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:54:45,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:54:45,601 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:54:45,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:54:45,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:54:45,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:54:45,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:54:45,602 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:54:45,602 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:54:45,603 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:54:45,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:54:45,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:54:45,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:54:45,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:54:45,604 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:54:45,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:54:45,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:45,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:54:45,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:54:45,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:54:45,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:54:45,605 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-12-14 23:54:45,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:54:45,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:54:45,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:54:45,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:54:45,816 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:54:45,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-12-14 23:54:48,305 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:54:48,512 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:54:48,513 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-12-14 23:54:48,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/72a73acfc/4558938c042449e78b53ac6870f6d61a/FLAG29ba3040f [2022-12-14 23:54:48,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/72a73acfc/4558938c042449e78b53ac6870f6d61a [2022-12-14 23:54:48,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:54:48,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:54:48,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:48,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:54:48,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:54:48,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:48" (1/1) ... [2022-12-14 23:54:48,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f777378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:48, skipping insertion in model container [2022-12-14 23:54:48,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:48" (1/1) ... [2022-12-14 23:54:48,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:54:48,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:54:49,493 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-12-14 23:54:49,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:49,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:49,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:49,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:49,529 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-12-14 23:54:49,533 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-12-14 23:54:49,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:49,560 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:54:49,604 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-12-14 23:54:49,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:49,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:49,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:49,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:49,622 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-12-14 23:54:49,626 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-12-14 23:54:49,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:49,722 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:54:49,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49 WrapperNode [2022-12-14 23:54:49,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:49,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:49,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:54:49,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:54:49,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,823 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1719 [2022-12-14 23:54:49,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:49,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:54:49,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:54:49,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:54:49,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:54:49,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:54:49,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:54:49,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:54:49,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:49" (1/1) ... [2022-12-14 23:54:49,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:49,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:54:49,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:54:49,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-12-14 23:54:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:54:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:54:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:54:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:54:49,989 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 23:54:50,223 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:54:50,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:54:51,935 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:54:52,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:54:52,436 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 23:54:52,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:52 BoogieIcfgContainer [2022-12-14 23:54:52,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:54:52,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:54:52,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:54:52,447 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:54:52,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:52" (1/1) ... [2022-12-14 23:54:52,448 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) [2022-12-14 23:54:52,451 INFO L158 Benchmark]: Toolchain (without parser) took 3579.26ms. Allocated memory was 102.8MB in the beginning and 174.1MB in the end (delta: 71.3MB). Free memory was 57.6MB in the beginning and 86.2MB in the end (delta: -28.5MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-12-14 23:54:52,451 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 102.8MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:54:52,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.72ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 57.3MB in the beginning and 71.0MB in the end (delta: -13.7MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-12-14 23:54:52,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.29ms. Allocated memory is still 144.7MB. Free memory was 71.0MB in the beginning and 105.8MB in the end (delta: -34.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:54:52,453 INFO L158 Benchmark]: Boogie Preprocessor took 95.32ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 97.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:54:52,453 INFO L158 Benchmark]: RCFGBuilder took 2518.50ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 87.2MB in the end (delta: 10.1MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-12-14 23:54:52,453 INFO L158 Benchmark]: CodeCheck took 10.39ms. Allocated memory is still 174.1MB. Free memory was 87.2MB in the beginning and 86.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:54:52,455 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 0.12ms. Allocated memory is still 102.8MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.72ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 57.3MB in the beginning and 71.0MB in the end (delta: -13.7MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.29ms. Allocated memory is still 144.7MB. Free memory was 71.0MB in the beginning and 105.8MB in the end (delta: -34.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.32ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 97.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2518.50ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 87.2MB in the end (delta: 10.1MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * CodeCheck took 10.39ms. Allocated memory is still 174.1MB. Free memory was 87.2MB in the beginning and 86.2MB 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. [2022-12-14 23:54:52,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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_9fbd290c-05eb-4f31-8ac3-12403af2c336/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 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-2329fc7 [2022-12-14 23:54:54,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:54:54,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:54:54,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:54:54,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:54:54,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:54:54,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:54:54,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:54:54,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:54:54,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:54:54,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:54:54,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:54:54,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:54:54,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:54:54,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:54:54,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:54:54,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:54:54,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:54:54,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:54:54,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:54:54,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:54:54,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:54:54,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:54:54,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:54:54,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:54:54,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:54:54,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:54:54,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:54:54,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:54:54,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:54:54,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:54:54,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:54:54,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:54:54,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:54:54,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:54:54,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:54:54,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:54:54,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:54:54,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:54:54,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:54:54,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:54:54,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 23:54:54,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:54:54,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:54:54,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:54:54,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:54:54,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:54:54,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:54:54,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:54:54,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:54:54,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:54:54,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:54:54,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:54:54,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:54:54,248 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:54:54,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:54:54,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:54:54,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:54:54,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:54:54,249 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:54:54,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:54:54,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:54:54,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:54:54,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:54:54,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:54,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:54:54,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:54:54,251 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:54:54,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:54:54,251 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:54:54,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:54:54,251 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-12-14 23:54:54,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:54:54,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:54:54,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:54:54,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:54:54,479 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:54:54,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-12-14 23:54:57,038 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:54:57,244 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:54:57,244 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-12-14 23:54:57,257 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/8664ffb18/0a8977f8ed3841c4bdb91f2096b53db2/FLAG7648fcf31 [2022-12-14 23:54:57,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/data/8664ffb18/0a8977f8ed3841c4bdb91f2096b53db2 [2022-12-14 23:54:57,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:54:57,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:54:57,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:57,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:54:57,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:54:57,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:57" (1/1) ... [2022-12-14 23:54:57,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da04925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:57, skipping insertion in model container [2022-12-14 23:54:57,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:57" (1/1) ... [2022-12-14 23:54:57,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:54:57,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:54:57,808 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-12-14 23:54:57,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:57,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:57,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:57,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:57,832 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-12-14 23:54:57,835 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-12-14 23:54:57,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:57,856 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:54:57,888 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-12-14 23:54:57,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:57,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:57,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:54:57,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:54:57,901 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-12-14 23:54:57,904 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_9fbd290c-05eb-4f31-8ac3-12403af2c336/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-12-14 23:54:57,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:58,015 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:54:58,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58 WrapperNode [2022-12-14 23:54:58,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:58,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:58,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:54:58,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:54:58,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,084 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1652 [2022-12-14 23:54:58,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:58,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:54:58,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:54:58,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:54:58,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:54:58,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:54:58,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:54:58,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:54:58,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:58" (1/1) ... [2022-12-14 23:54:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:58,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:54:58,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:54:58,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:54:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-12-14 23:54:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 23:54:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:54:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:54:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:54:58,239 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 23:54:58,533 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:54:58,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:55:01,942 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:55:02,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:55:02,458 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 23:55:02,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:02 BoogieIcfgContainer [2022-12-14 23:55:02,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:55:02,462 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:55:02,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:55:02,469 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:55:02,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:02" (1/1) ... [2022-12-14 23:55:02,470 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 23:55:02,473 INFO L158 Benchmark]: Toolchain (without parser) took 5201.32ms. Allocated memory was 77.6MB in the beginning and 136.3MB in the end (delta: 58.7MB). Free memory was 52.8MB in the beginning and 70.0MB in the end (delta: -17.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,474 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:55:02,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.14ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 45.1MB in the end (delta: 7.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.60ms. Allocated memory is still 77.6MB. Free memory was 45.1MB in the beginning and 36.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,475 INFO L158 Benchmark]: Boogie Preprocessor took 80.66ms. Allocated memory is still 77.6MB. Free memory was 36.1MB in the beginning and 43.1MB in the end (delta: -7.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,475 INFO L158 Benchmark]: RCFGBuilder took 4295.41ms. Allocated memory was 77.6MB in the beginning and 136.3MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 71.1MB in the end (delta: -28.1MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,475 INFO L158 Benchmark]: CodeCheck took 9.97ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,477 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 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.14ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 45.1MB in the end (delta: 7.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.60ms. Allocated memory is still 77.6MB. Free memory was 45.1MB in the beginning and 36.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.66ms. Allocated memory is still 77.6MB. Free memory was 36.1MB in the beginning and 43.1MB in the end (delta: -7.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4295.41ms. Allocated memory was 77.6MB in the beginning and 136.3MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 71.1MB in the end (delta: -28.1MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * CodeCheck took 9.97ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:55:02,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbd290c-05eb-4f31-8ac3-12403af2c336/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