./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- 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-dbf71c6-m [2022-10-17 16:43:48,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:48,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:48,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:48,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:48,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:48,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:48,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:48,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:48,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:48,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:48,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:48,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:48,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:48,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:48,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:48,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:48,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:48,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:48,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:48,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:48,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:48,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:48,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:48,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:48,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:48,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:48,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:48,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:48,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:48,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:48,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:48,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:48,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:48,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:48,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:48,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:48,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:48,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:48,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:48,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:48,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:48,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:48,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:48,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:48,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:48,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:48,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:48,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:48,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:48,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:48,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:48,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:48,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:48,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:48,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:48,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:48,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:48,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:48,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:48,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:48,441 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:48,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:48,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:48,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:48,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:48,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:48,442 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:48,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:48,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:48,444 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_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2022-10-17 16:43:48,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:48,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:48,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:48,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:48,738 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:48,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2022-10-17 16:43:48,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/5d3289ee4/567bfc34a0844bff8315ca46b0ee98f0/FLAG764ec8dec [2022-10-17 16:43:49,416 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:49,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2022-10-17 16:43:49,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/5d3289ee4/567bfc34a0844bff8315ca46b0ee98f0/FLAG764ec8dec [2022-10-17 16:43:49,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/5d3289ee4/567bfc34a0844bff8315ca46b0ee98f0 [2022-10-17 16:43:49,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:49,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:49,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:49,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:49,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:49,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:49" (1/1) ... [2022-10-17 16:43:49,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60933dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:49, skipping insertion in model container [2022-10-17 16:43:49,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:49" (1/1) ... [2022-10-17 16:43:49,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:49,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:50,594 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2022-10-17 16:43:50,629 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2022-10-17 16:43:50,633 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2022-10-17 16:43:50,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:50,659 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:50,712 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2022-10-17 16:43:50,731 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2022-10-17 16:43:50,750 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2022-10-17 16:43:50,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:50,904 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:50,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50 WrapperNode [2022-10-17 16:43:50,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:50,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:50,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:50,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:50,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:50,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:50,991 INFO L138 Inliner]: procedures = 489, calls = 128, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 408 [2022-10-17 16:43:50,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:50,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:50,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:50,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:51,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:51,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:51,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:51,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:51,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:50" (1/1) ... [2022-10-17 16:43:51,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:51,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:51,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-10-17 16:43:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-10-17 16:43:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:43:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:43:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:43:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:43:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:43:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:43:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-10-17 16:43:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-10-17 16:43:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-10-17 16:43:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-10-17 16:43:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:43:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:43:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-10-17 16:43:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-10-17 16:43:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:43:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-10-17 16:43:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-10-17 16:43:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-10-17 16:43:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-10-17 16:43:51,190 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:43:51,583 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:51,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:52,290 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:52,334 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:52,335 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:43:52,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:52 BoogieIcfgContainer [2022-10-17 16:43:52,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:52,339 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:52,339 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:52,350 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:52,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:52" (1/1) ... [2022-10-17 16:43:52,351 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) [2022-10-17 16:43:52,356 INFO L158 Benchmark]: Toolchain (without parser) took 2698.18ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 61.2MB in the end (delta: 32.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:52,357 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:52,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1247.20ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 56.1MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-10-17 16:43:52,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.57ms. Allocated memory is still 132.1MB. Free memory was 56.1MB in the beginning and 51.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:52,359 INFO L158 Benchmark]: Boogie Preprocessor took 72.23ms. Allocated memory is still 132.1MB. Free memory was 51.3MB in the beginning and 46.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:52,359 INFO L158 Benchmark]: RCFGBuilder took 1272.74ms. Allocated memory is still 132.1MB. Free memory was 46.4MB in the beginning and 62.1MB in the end (delta: -15.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-10-17 16:43:52,360 INFO L158 Benchmark]: CodeCheck took 15.00ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 61.2MB in the end (delta: 829.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:52,363 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 0.31ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1247.20ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 56.1MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.57ms. Allocated memory is still 132.1MB. Free memory was 56.1MB in the beginning and 51.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.23ms. Allocated memory is still 132.1MB. Free memory was 51.3MB in the beginning and 46.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1272.74ms. Allocated memory is still 132.1MB. Free memory was 46.4MB in the beginning and 62.1MB in the end (delta: -15.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 15.00ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 61.2MB in the end (delta: 829.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:43:52,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- 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-dbf71c6-m [2022-10-17 16:43:54,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:54,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:54,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:54,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:54,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:54,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:54,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:54,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:54,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:54,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:54,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:54,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:54,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:54,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:54,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:54,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:54,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:54,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:54,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:54,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:54,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:54,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:54,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:54,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:54,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:54,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:54,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:54,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:54,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:54,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:54,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:54,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:54,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:54,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:54,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:54,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:54,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:54,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:54,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:54,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:54,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:43:54,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:54,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:54,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:54,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:54,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:54,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:54,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:54,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:54,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:54,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:54,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:54,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:54,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:54,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:43:54,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:43:54,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:43:54,998 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:54,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:54,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:54,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:54,999 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:54,999 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:54,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:54,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:54,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:55,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:55,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:55,000 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:43:55,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:43:55,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:55,001 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:43:55,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:43:55,001 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_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2022-10-17 16:43:55,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:55,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:55,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:55,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:55,406 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:55,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2022-10-17 16:43:55,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/94ca331da/75fb1859a36c4c71af79b2e9fd185639/FLAG7485e88ad [2022-10-17 16:43:56,102 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:56,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2022-10-17 16:43:56,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/94ca331da/75fb1859a36c4c71af79b2e9fd185639/FLAG7485e88ad [2022-10-17 16:43:56,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/data/94ca331da/75fb1859a36c4c71af79b2e9fd185639 [2022-10-17 16:43:56,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:56,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:56,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:56,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:56,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:56,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:56" (1/1) ... [2022-10-17 16:43:56,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c86c1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:56, skipping insertion in model container [2022-10-17 16:43:56,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:56" (1/1) ... [2022-10-17 16:43:56,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:56,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:57,267 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2022-10-17 16:43:57,300 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2022-10-17 16:43:57,305 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2022-10-17 16:43:57,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:57,344 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:57,392 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2022-10-17 16:43:57,431 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2022-10-17 16:43:57,436 WARN L230 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_98d68737-5165-4bae-b884-8a756580631c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2022-10-17 16:43:57,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:57,685 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:57,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57 WrapperNode [2022-10-17 16:43:57,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:57,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:57,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:57,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:57,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,858 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2022-10-17 16:43:57,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:57,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:57,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:57,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:57,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:57,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:57,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:57,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:57,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:57" (1/1) ... [2022-10-17 16:43:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:58,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:58,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:58,076 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-10-17 16:43:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-10-17 16:43:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:43:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:43:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2022-10-17 16:43:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2022-10-17 16:43:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:43:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-10-17 16:43:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-10-17 16:43:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:43:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:43:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:43:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-10-17 16:43:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-10-17 16:43:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2022-10-17 16:43:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2022-10-17 16:43:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2022-10-17 16:43:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2022-10-17 16:43:58,084 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:43:58,617 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:58,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:59,416 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:59,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:59,492 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:43:59,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:59 BoogieIcfgContainer [2022-10-17 16:43:59,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:59,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:59,502 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:59,512 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:59,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,514 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) [2022-10-17 16:43:59,523 INFO L158 Benchmark]: Toolchain (without parser) took 3219.05ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 32.8MB in the beginning and 55.4MB in the end (delta: -22.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,523 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:59,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.68ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 40.0MB in the end (delta: -7.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.84ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 35.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,528 INFO L158 Benchmark]: Boogie Preprocessor took 129.27ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 49.3MB in the end (delta: -14.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,530 INFO L158 Benchmark]: RCFGBuilder took 1509.69ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 56.5MB in the end (delta: -7.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,536 INFO L158 Benchmark]: CodeCheck took 17.95ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:59,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.68ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 40.0MB in the end (delta: -7.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.84ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 35.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.27ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 49.3MB in the end (delta: -14.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1509.69ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 56.5MB in the end (delta: -7.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 17.95ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:43:59,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d68737-5165-4bae-b884-8a756580631c/bin/ukojak-92XMlrwhuB/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