./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:19,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:19,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:19,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:19,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:19,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:19,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:19,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:19,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:19,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:19,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:19,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:19,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:19,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:19,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:19,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:19,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:19,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:19,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:19,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:19,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:19,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:19,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:19,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:19,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:19,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:19,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:19,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:19,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:19,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:19,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:19,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:19,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:19,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:19,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:19,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:19,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:19,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:19,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:19,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:19,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:19,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:03:19,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:19,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:19,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:19,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:19,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:19,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:19,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:19,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:19,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:03:19,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:19,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:19,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:19,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:19,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:19,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:19,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:19,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:19,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:19,727 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:19,727 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:19,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:19,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:19,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:19,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:19,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:19,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:03:19,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:03:19,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:19,729 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-13 23:03:20,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:20,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:20,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:20,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:20,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:20,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-13 23:03:20,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/b0df1d32b/1e2a2f029ec54375af0e01379e434eee/FLAGc7686da48 [2021-11-13 23:03:20,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:20,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-13 23:03:20,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/b0df1d32b/1e2a2f029ec54375af0e01379e434eee/FLAGc7686da48 [2021-11-13 23:03:20,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/b0df1d32b/1e2a2f029ec54375af0e01379e434eee [2021-11-13 23:03:20,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:20,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:20,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:20,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:20,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:20,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:20" (1/1) ... [2021-11-13 23:03:20,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ff96f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:20, skipping insertion in model container [2021-11-13 23:03:20,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:20" (1/1) ... [2021-11-13 23:03:20,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:21,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:21,851 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-13 23:03:21,892 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-13 23:03:21,904 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-13 23:03:21,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:21,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:21,982 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-13 23:03:22,016 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-13 23:03:22,032 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-13 23:03:22,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:22,211 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:22,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22 WrapperNode [2021-11-13 23:03:22,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:22,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:22,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:22,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:22,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:22,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:22,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:22,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:22,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:22,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:22,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:22,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:22,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2021-11-13 23:03:22,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:22,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:22,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-13 23:03:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-13 23:03:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 23:03:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:03:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 23:03:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:03:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:03:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:03:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-13 23:03:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-13 23:03:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 23:03:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 23:03:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:03:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 23:03:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 23:03:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:03:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-13 23:03:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-13 23:03:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:03:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-13 23:03:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-13 23:03:22,605 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:03:23,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:23,697 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-13 23:03:23,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:23 BoogieIcfgContainer [2021-11-13 23:03:23,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:23,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:23,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:23,711 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:23,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:23" (1/1) ... [2021-11-13 23:03:23,712 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) [2021-11-13 23:03:23,721 INFO L158 Benchmark]: Toolchain (without parser) took 2740.64ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 60.2MB in the beginning and 59.4MB in the end (delta: 786.5kB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,721 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:23,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1235.67ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 60.2MB in the beginning and 51.7MB in the end (delta: 8.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.23ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 46.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,724 INFO L158 Benchmark]: Boogie Preprocessor took 116.53ms. Allocated memory is still 98.6MB. Free memory was 46.8MB in the beginning and 42.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,725 INFO L158 Benchmark]: RCFGBuilder took 1220.14ms. Allocated memory is still 98.6MB. Free memory was 42.6MB in the beginning and 60.7MB in the end (delta: -18.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,725 INFO L158 Benchmark]: CodeCheck took 13.33ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 59.4MB in the end (delta: 794.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:23,729 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 0.36ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1235.67ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 60.2MB in the beginning and 51.7MB in the end (delta: 8.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.23ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 46.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.53ms. Allocated memory is still 98.6MB. Free memory was 46.8MB in the beginning and 42.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.14ms. Allocated memory is still 98.6MB. Free memory was 42.6MB in the beginning and 60.7MB in the end (delta: -18.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * CodeCheck took 13.33ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 59.4MB in the end (delta: 794.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:03:23,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:26,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:26,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:26,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:26,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:26,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:26,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:26,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:26,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:26,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:26,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:26,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:26,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:26,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:26,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:26,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:26,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:26,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:26,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:26,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:26,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:26,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:26,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:26,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:26,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:26,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:26,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:26,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:26,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:26,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:26,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:26,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:26,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:26,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:26,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:26,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:26,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:26,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:26,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:26,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:26,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:26,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 23:03:26,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:26,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:26,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:26,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:26,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:26,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:26,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:26,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:26,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:26,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:26,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:26,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:26,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:26,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:03:26,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:03:26,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:03:26,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:26,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:26,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:26,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:26,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:26,475 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:26,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:26,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:26,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:26,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:26,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:26,477 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:03:26,477 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:03:26,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:26,477 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:03:26,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:03:26,478 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-13 23:03:26,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:26,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:26,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:26,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:26,867 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:26,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-13 23:03:26,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/556261b5f/7d04c33b0eb746d4b29004cf7d97be31/FLAG629955fbb [2021-11-13 23:03:27,698 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:27,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-13 23:03:27,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/556261b5f/7d04c33b0eb746d4b29004cf7d97be31/FLAG629955fbb [2021-11-13 23:03:27,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/data/556261b5f/7d04c33b0eb746d4b29004cf7d97be31 [2021-11-13 23:03:27,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:27,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:27,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:27,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:27,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:27,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:27" (1/1) ... [2021-11-13 23:03:27,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4488d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:27, skipping insertion in model container [2021-11-13 23:03:27,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:27" (1/1) ... [2021-11-13 23:03:27,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:27,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:29,103 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-13 23:03:29,156 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-13 23:03:29,163 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-13 23:03:29,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:29,219 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:29,291 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-13 23:03:29,310 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-13 23:03:29,315 WARN L228 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_11e9586e-12a1-4ee8-9fdb-0e293d09874b/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-13 23:03:29,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:29,546 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:29,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29 WrapperNode [2021-11-13 23:03:29,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:29,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:29,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:29,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:29,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:29,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:29,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:29,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:29,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:29,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:29,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:29,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:29,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29" (1/1) ... [2021-11-13 23:03:29,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:29,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:29,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-13 23:03:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-13 23:03:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 23:03:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:03:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 23:03:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 23:03:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 23:03:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:03:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:03:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-13 23:03:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-13 23:03:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 23:03:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 23:03:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 23:03:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:03:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 23:03:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 23:03:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 23:03:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-13 23:03:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-13 23:03:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-13 23:03:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-13 23:03:29,862 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:03:31,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:31,231 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-13 23:03:31,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:31 BoogieIcfgContainer [2021-11-13 23:03:31,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:31,236 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:31,236 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:31,246 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:31,246 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:31" (1/1) ... [2021-11-13 23:03:31,247 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) [2021-11-13 23:03:31,251 INFO L158 Benchmark]: Toolchain (without parser) took 3426.54ms. Allocated memory was 60.8MB in the beginning and 115.3MB in the end (delta: 54.5MB). Free memory was 35.2MB in the beginning and 80.2MB in the end (delta: -45.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-13 23:03:31,253 INFO L158 Benchmark]: CDTParser took 2.09ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:31,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1721.66ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 35.0MB in the beginning and 57.2MB in the end (delta: -22.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-13 23:03:31,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.38ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 52.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:03:31,257 INFO L158 Benchmark]: Boogie Preprocessor took 92.51ms. Allocated memory is still 88.1MB. Free memory was 52.2MB in the beginning and 47.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:03:31,260 INFO L158 Benchmark]: RCFGBuilder took 1465.17ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 81.1MB in the end (delta: -34.0MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-13 23:03:31,265 INFO L158 Benchmark]: CodeCheck took 13.28ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 901.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:31,272 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 2.09ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1721.66ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 35.0MB in the beginning and 57.2MB in the end (delta: -22.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.38ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 52.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.51ms. Allocated memory is still 88.1MB. Free memory was 52.2MB in the beginning and 47.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.17ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 81.1MB in the end (delta: -34.0MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * CodeCheck took 13.28ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 901.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:03:31,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e9586e-12a1-4ee8-9fdb-0e293d09874b/bin/ukojak-2xVlg8857e/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