./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:58:47,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:58:47,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:58:47,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:58:47,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:58:47,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:58:47,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:58:47,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:58:47,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:58:47,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:58:47,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:58:47,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:58:47,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:58:47,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:58:47,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:58:47,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:58:47,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:58:47,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:58:47,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:58:47,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:58:47,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:58:47,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:58:47,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:58:47,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:58:47,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:58:47,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:58:47,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:58:47,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:58:47,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:58:47,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:58:47,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:58:47,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:58:47,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:58:47,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:58:47,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:58:47,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:58:47,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:58:47,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:58:47,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:58:47,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:58:47,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:58:47,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:58:47,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:58:47,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:58:47,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:58:47,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:58:47,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:58:47,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:58:47,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:58:47,877 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:58:47,877 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:58:47,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:58:47,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:58:47,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:58:47,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:58:47,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:58:47,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:58:47,879 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:58:47,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:58:47,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:58:47,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:58:47,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:58:47,880 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:58:47,880 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:58:47,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:58:47,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:47,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:58:47,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:58:47,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:58:47,881 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:58:47,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:58:47,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:58:47,882 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_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-11-21 23:58:48,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:58:48,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:58:48,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:58:48,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:58:48,131 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:58:48,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-21 23:58:51,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:58:51,614 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:58:51,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-21 23:58:51,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/562917a06/707f22e09bb94b11bd42777c0ef1d8dd/FLAGfea17325c [2022-11-21 23:58:51,801 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/562917a06/707f22e09bb94b11bd42777c0ef1d8dd [2022-11-21 23:58:51,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:58:51,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:58:51,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:58:51,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:58:51,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:58:51,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:51" (1/1) ... [2022-11-21 23:58:51,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641aaf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:51, skipping insertion in model container [2022-11-21 23:58:51,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:51" (1/1) ... [2022-11-21 23:58:51,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:58:51,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:58:52,831 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-21 23:58:52,867 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-21 23:58:52,871 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-21 23:58:52,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:58:52,899 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:58:52,945 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-21 23:58:52,962 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-21 23:58:52,966 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-21 23:58:52,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:58:53,072 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:58:53,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53 WrapperNode [2022-11-21 23:58:53,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:58:53,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:58:53,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:58:53,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:58:53,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,196 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 457 [2022-11-21 23:58:53,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:58:53,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:58:53,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:58:53,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:58:53,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:58:53,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:58:53,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:58:53,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:58:53,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:53" (1/1) ... [2022-11-21 23:58:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:53,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:58:53,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:58:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:58:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-11-21 23:58:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-11-21 23:58:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:58:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:58:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:58:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:58:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 23:58:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:58:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:58:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-11-21 23:58:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-11-21 23:58:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:58:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:58:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-21 23:58:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-21 23:58:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:58:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:58:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-21 23:58:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-21 23:58:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:58:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-11-21 23:58:53,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-11-21 23:58:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:58:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-11-21 23:58:53,422 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-11-21 23:58:53,425 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:58:53,813 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:58:53,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:58:54,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:58:54,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:58:54,717 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-21 23:58:54,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:58:54 BoogieIcfgContainer [2022-11-21 23:58:54,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:58:54,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:58:54,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:58:54,734 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:58:54,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:58:54" (1/1) ... [2022-11-21 23:58:54,735 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) [2022-11-21 23:58:54,744 INFO L158 Benchmark]: Toolchain (without parser) took 2937.78ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 73.6MB in the end (delta: 39.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-21 23:58:54,744 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 125.5MB in the beginning and 125.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:58:54,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.82ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 53.3MB in the end (delta: 59.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 23:58:54,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.06ms. Allocated memory is still 159.4MB. Free memory was 53.3MB in the beginning and 48.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:58:54,748 INFO L158 Benchmark]: Boogie Preprocessor took 114.02ms. Allocated memory is still 159.4MB. Free memory was 48.6MB in the beginning and 125.6MB in the end (delta: -77.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-21 23:58:54,748 INFO L158 Benchmark]: RCFGBuilder took 1409.51ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 74.5MB in the end (delta: 51.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-21 23:58:54,749 INFO L158 Benchmark]: CodeCheck took 18.88ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 73.6MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:58:54,758 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 0.20ms. Allocated memory is still 159.4MB. Free memory was 125.5MB in the beginning and 125.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.82ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 53.3MB in the end (delta: 59.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.06ms. Allocated memory is still 159.4MB. Free memory was 53.3MB in the beginning and 48.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.02ms. Allocated memory is still 159.4MB. Free memory was 48.6MB in the beginning and 125.6MB in the end (delta: -77.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.51ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 74.5MB in the end (delta: 51.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * CodeCheck took 18.88ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 73.6MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:58:54,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:58:57,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:58:57,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:58:57,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:58:57,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:58:57,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:58:57,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:58:57,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:58:57,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:58:57,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:58:57,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:58:57,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:58:57,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:58:57,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:58:57,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:58:57,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:58:57,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:58:57,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:58:57,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:58:57,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:58:57,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:58:57,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:58:57,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:58:57,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:58:57,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:58:57,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:58:57,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:58:57,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:58:57,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:58:57,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:58:57,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:58:57,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:58:57,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:58:57,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:58:57,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:58:57,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:58:57,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:58:57,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:58:57,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:58:57,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:58:57,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:58:57,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:58:57,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:58:57,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:58:57,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:58:57,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:58:57,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:58:57,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:58:57,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:58:57,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:58:57,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:58:57,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:58:57,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:58:57,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:58:57,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:58:57,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:58:57,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:58:57,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:58:57,516 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:58:57,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:58:57,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:58:57,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:58:57,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:58:57,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:58:57,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:58:57,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:58:57,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:58:57,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:57,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:58:57,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:58:57,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:58:57,520 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:58:57,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:58:57,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:58:57,521 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:58:57,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:58:57,521 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_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-11-21 23:58:57,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:58:57,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:58:57,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:58:57,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:58:57,955 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:58:57,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-21 23:59:00,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:59:01,453 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:59:01,454 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-21 23:59:01,474 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/ec5bfabff/0e61edcf496c4d1eacf1d923dcbbc9bb/FLAG66b3bdb36 [2022-11-21 23:59:01,489 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/data/ec5bfabff/0e61edcf496c4d1eacf1d923dcbbc9bb [2022-11-21 23:59:01,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:59:01,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:59:01,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:59:01,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:59:01,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:59:01,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:59:01" (1/1) ... [2022-11-21 23:59:01,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6f251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:01, skipping insertion in model container [2022-11-21 23:59:01,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:59:01" (1/1) ... [2022-11-21 23:59:01,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:59:01,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:59:02,409 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-21 23:59:02,447 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-21 23:59:02,453 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-21 23:59:02,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:59:02,487 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:59:02,535 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-21 23:59:02,553 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-21 23:59:02,557 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_2390c265-9bd4-4013-ba36-651ef444e023/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-21 23:59:02,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:59:02,752 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:59:02,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02 WrapperNode [2022-11-21 23:59:02,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:59:02,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:59:02,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:59:02,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:59:02,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,885 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 436 [2022-11-21 23:59:02,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:59:02,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:59:02,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:59:02,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:59:02,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,983 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:02,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:03,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:59:03,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:59:03,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:59:03,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:59:03,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:59:02" (1/1) ... [2022-11-21 23:59:03,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:59:03,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:59:03,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:59:03,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:59:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-11-21 23:59:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-11-21 23:59:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:59:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:59:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:59:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-11-21 23:59:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-11-21 23:59:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:59:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:59:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:59:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-21 23:59:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-21 23:59:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:59:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:59:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:59:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-21 23:59:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-21 23:59:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-11-21 23:59:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-11-21 23:59:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-11-21 23:59:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-11-21 23:59:03,114 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:59:03,520 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:59:03,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:59:04,532 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:59:04,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:59:04,606 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-21 23:59:04,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:59:04 BoogieIcfgContainer [2022-11-21 23:59:04,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:59:04,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:59:04,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:59:04,620 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:59:04,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:59:04" (1/1) ... [2022-11-21 23:59:04,621 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) [2022-11-21 23:59:04,625 INFO L158 Benchmark]: Toolchain (without parser) took 3131.13ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 60.3MB in the beginning and 44.9MB in the end (delta: 15.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,625 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:59:04,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1259.25ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 56.9MB in the end (delta: 3.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.20ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 51.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,627 INFO L158 Benchmark]: Boogie Preprocessor took 125.47ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 45.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,628 INFO L158 Benchmark]: RCFGBuilder took 1594.87ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 45.9MB in the end (delta: -345.6kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,629 INFO L158 Benchmark]: CodeCheck took 13.49ms. Allocated memory is still 104.9MB. Free memory was 45.9MB in the beginning and 44.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:59:04,632 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 0.28ms. Allocated memory is still 71.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1259.25ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 56.9MB in the end (delta: 3.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.20ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 51.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.47ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 45.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.87ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 45.9MB in the end (delta: -345.6kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 13.49ms. Allocated memory is still 104.9MB. Free memory was 45.9MB in the beginning and 44.9MB 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. [2022-11-21 23:59:04,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2390c265-9bd4-4013-ba36-651ef444e023/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported