./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:52:17,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:52:17,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:52:17,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:52:17,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:52:17,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:52:17,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:52:17,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:52:17,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:52:17,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:52:17,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:52:17,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:52:17,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:52:17,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:52:17,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:52:17,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:52:17,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:52:17,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:52:17,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:52:17,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:52:17,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:52:17,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:52:17,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:52:17,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:52:17,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:52:17,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:52:17,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:52:17,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:52:17,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:52:17,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:52:17,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:52:17,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:52:17,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:52:17,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:52:17,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:52:17,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:52:17,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:52:17,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:52:17,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:52:17,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:52:17,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:52:17,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:52:17,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:52:17,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:52:17,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:52:17,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:52:17,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:52:17,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:52:17,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:52:17,680 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:52:17,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:52:17,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:52:17,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:52:17,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:52:17,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:52:17,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:52:17,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:52:17,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:52:17,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:52:17,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:52:17,683 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:52:17,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:52:17,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:52:17,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:17,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:52:17,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:52:17,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:52:17,685 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:52:17,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:52:17,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:52:17,686 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_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-25 07:52:18,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:52:18,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:52:18,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:52:18,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:52:18,083 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:52:18,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-25 07:52:18,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/397bb58e6/26d9391cf9834861a0d52861e0752c81/FLAG24c72a354 [2021-11-25 07:52:18,900 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:52:18,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-25 07:52:18,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/397bb58e6/26d9391cf9834861a0d52861e0752c81/FLAG24c72a354 [2021-11-25 07:52:19,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/397bb58e6/26d9391cf9834861a0d52861e0752c81 [2021-11-25 07:52:19,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:52:19,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:52:19,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:19,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:52:19,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:52:19,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd5d404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19, skipping insertion in model container [2021-11-25 07:52:19,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:52:19,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:52:19,921 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-25 07:52:19,990 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-25 07:52:19,998 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-25 07:52:20,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:20,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:52:20,106 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-25 07:52:20,137 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-25 07:52:20,149 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-25 07:52:20,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:20,337 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:52:20,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20 WrapperNode [2021-11-25 07:52:20,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:20,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:20,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:52:20,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:52:20,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,495 INFO L137 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2021-11-25 07:52:20,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:20,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:52:20,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:52:20,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:52:20,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:52:20,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:52:20,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:52:20,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:52:20,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:20,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:52:20,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:52:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:52:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-25 07:52:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-25 07:52:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 07:52:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:52:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 07:52:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:52:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 07:52:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:52:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:52:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-25 07:52:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-25 07:52:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:52:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:52:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 07:52:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 07:52:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:52:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:52:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 07:52:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 07:52:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:52:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-25 07:52:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-25 07:52:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:52:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-25 07:52:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-25 07:52:20,711 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:52:21,171 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:52:21,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:52:21,856 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:52:21,909 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:52:21,909 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 07:52:21,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:21 BoogieIcfgContainer [2021-11-25 07:52:21,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:52:21,915 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:52:21,915 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:52:21,928 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:52:21,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:21" (1/1) ... [2021-11-25 07:52:21,929 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) [2021-11-25 07:52:21,940 INFO L158 Benchmark]: Toolchain (without parser) took 2882.40ms. Allocated memory is still 102.8MB. Free memory was 80.4MB in the beginning and 42.4MB in the end (delta: 38.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-25 07:52:21,942 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:21,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.92ms. Allocated memory is still 102.8MB. Free memory was 80.4MB in the beginning and 61.6MB in the end (delta: 18.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-11-25 07:52:21,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.67ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 56.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:52:21,946 INFO L158 Benchmark]: Boogie Preprocessor took 110.08ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:52:21,947 INFO L158 Benchmark]: RCFGBuilder took 1306.52ms. Allocated memory is still 102.8MB. Free memory was 52.6MB in the beginning and 43.4MB in the end (delta: 9.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-25 07:52:21,947 INFO L158 Benchmark]: CodeCheck took 23.27ms. Allocated memory is still 102.8MB. Free memory was 43.4MB in the beginning and 42.4MB in the end (delta: 971.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:21,958 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 0.34ms. Allocated memory is still 77.6MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.92ms. Allocated memory is still 102.8MB. Free memory was 80.4MB in the beginning and 61.6MB in the end (delta: 18.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.67ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 56.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.08ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1306.52ms. Allocated memory is still 102.8MB. Free memory was 52.6MB in the beginning and 43.4MB in the end (delta: 9.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 23.27ms. Allocated memory is still 102.8MB. Free memory was 43.4MB in the beginning and 42.4MB in the end (delta: 971.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:52:22,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/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_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:52:24,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:52:24,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:52:24,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:52:24,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:52:24,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:52:24,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:52:24,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:52:24,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:52:24,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:52:24,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:52:24,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:52:24,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:52:24,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:52:24,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:52:24,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:52:24,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:52:24,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:52:24,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:52:24,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:52:24,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:52:24,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:52:24,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:52:24,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:52:24,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:52:24,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:52:24,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:52:24,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:52:24,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:52:24,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:52:24,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:52:24,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:52:24,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:52:24,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:52:24,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:52:24,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:52:24,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:52:24,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:52:24,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:52:24,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:52:24,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:52:24,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 07:52:24,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:52:24,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:52:24,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:52:24,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:52:24,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:52:24,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:52:24,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:52:24,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:52:24,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:52:24,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:52:24,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:52:24,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:52:24,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:52:24,855 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 07:52:24,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 07:52:24,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 07:52:24,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:52:24,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:52:24,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:52:24,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:52:24,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:52:24,857 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:52:24,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:52:24,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:24,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:52:24,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:52:24,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:52:24,858 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 07:52:24,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 07:52:24,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:52:24,859 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 07:52:24,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 07:52:24,859 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_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-25 07:52:25,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:52:25,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:52:25,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:52:25,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:52:25,301 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:52:25,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-25 07:52:25,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/421507267/388f3cadbc52467bab41372def3338ff/FLAG3281ff8f3 [2021-11-25 07:52:26,232 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:52:26,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-25 07:52:26,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/421507267/388f3cadbc52467bab41372def3338ff/FLAG3281ff8f3 [2021-11-25 07:52:26,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/data/421507267/388f3cadbc52467bab41372def3338ff [2021-11-25 07:52:26,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:52:26,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:52:26,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:26,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:52:26,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:52:26,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:26" (1/1) ... [2021-11-25 07:52:26,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203fe256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:26, skipping insertion in model container [2021-11-25 07:52:26,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:26" (1/1) ... [2021-11-25 07:52:26,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:52:26,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:52:27,445 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-25 07:52:27,493 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-25 07:52:27,499 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-25 07:52:27,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:27,534 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:52:27,589 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-25 07:52:27,628 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-25 07:52:27,632 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_acbb7ca9-8340-4999-b763-79626d5253b1/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-25 07:52:27,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:27,807 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:52:27,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27 WrapperNode [2021-11-25 07:52:27,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:27,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:27,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:52:27,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:52:27,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:27,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:27,958 INFO L137 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2021-11-25 07:52:27,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:27,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:52:27,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:52:27,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:52:27,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:27,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:27,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:52:28,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:52:28,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:52:28,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:52:28,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:27" (1/1) ... [2021-11-25 07:52:28,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:28,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:52:28,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:52:28,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:52:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-25 07:52:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-25 07:52:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 07:52:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:52:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 07:52:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 07:52:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 07:52:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 07:52:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:52:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:52:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-25 07:52:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-25 07:52:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:52:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:52:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 07:52:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 07:52:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 07:52:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:52:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:52:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 07:52:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 07:52:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 07:52:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-25 07:52:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-25 07:52:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-25 07:52:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-25 07:52:28,205 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:52:28,645 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:52:28,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:52:29,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:52:29,661 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:52:29,661 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 07:52:29,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:29 BoogieIcfgContainer [2021-11-25 07:52:29,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:52:29,667 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:52:29,668 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:52:29,678 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:52:29,679 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:29" (1/1) ... [2021-11-25 07:52:29,680 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) [2021-11-25 07:52:29,687 INFO L158 Benchmark]: Toolchain (without parser) took 3317.98ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 31.2MB in the beginning and 41.7MB in the end (delta: -10.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-25 07:52:29,688 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:29,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.57ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 43.1MB in the end (delta: -12.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-25 07:52:29,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.08ms. Allocated memory is still 69.2MB. Free memory was 43.1MB in the beginning and 38.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:52:29,692 INFO L158 Benchmark]: Boogie Preprocessor took 122.27ms. Allocated memory is still 69.2MB. Free memory was 38.1MB in the beginning and 33.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:52:29,695 INFO L158 Benchmark]: RCFGBuilder took 1582.45ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 42.6MB in the end (delta: -9.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-25 07:52:29,700 INFO L158 Benchmark]: CodeCheck took 16.95ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 41.7MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:29,707 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 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.57ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 43.1MB in the end (delta: -12.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.08ms. Allocated memory is still 69.2MB. Free memory was 43.1MB in the beginning and 38.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.27ms. Allocated memory is still 69.2MB. Free memory was 38.1MB in the beginning and 33.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1582.45ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 42.6MB in the end (delta: -9.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 16.95ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 41.7MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:52:29,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbb7ca9-8340-4999-b763-79626d5253b1/bin/ukojak-d1pc8ZmBRL/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported