./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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_9fa761a9-eda7-4590-8d93-7903057d2240/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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:29,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:29,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:29,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:29,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:29,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:29,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:29,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:29,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:29,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:29,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:29,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:29,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:29,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:29,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:29,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:29,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:29,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:29,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:29,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:29,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:29,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:29,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:29,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:29,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:29,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:29,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:29,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:29,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:29,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:29,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:29,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:29,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:29,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:29,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:29,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:29,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:29,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:29,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:29,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:29,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:29,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:07:29,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:29,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:29,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:29,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:29,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:29,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:29,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:29,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:07:29,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:07:29,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:07:29,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:29,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:29,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:29,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:29,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:07:29,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:29,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:29,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:29,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:29,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:29,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:29,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:29,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:29,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:29,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:29,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:07:29,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:07:29,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:29,484 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_9fa761a9-eda7-4590-8d93-7903057d2240/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-25 06:07:29,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:29,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:29,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:29,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:29,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:29,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-25 06:07:29,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/96f5657f0/736743075368413fa99bef2bab181fa9/FLAG7483089c2 [2021-11-25 06:07:30,524 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:30,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-25 06:07:30,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/96f5657f0/736743075368413fa99bef2bab181fa9/FLAG7483089c2 [2021-11-25 06:07:30,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/96f5657f0/736743075368413fa99bef2bab181fa9 [2021-11-25 06:07:30,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:30,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:30,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:30,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:30,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:30,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:30" (1/1) ... [2021-11-25 06:07:30,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1502b1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:30, skipping insertion in model container [2021-11-25 06:07:30,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:30" (1/1) ... [2021-11-25 06:07:30,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:30,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:31,600 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-25 06:07:31,664 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-25 06:07:31,671 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-25 06:07:31,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:31,708 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:31,756 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-25 06:07:31,774 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-25 06:07:31,778 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-25 06:07:31,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:31,982 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:31,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31 WrapperNode [2021-11-25 06:07:31,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:31,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:31,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:31,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:31,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,143 INFO L137 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2021-11-25 06:07:32,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:32,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:32,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:32,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:32,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:32,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:32,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:32,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:32,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:31" (1/1) ... [2021-11-25 06:07:32,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:32,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:32,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-25 06:07:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-25 06:07:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 06:07:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:07:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-25 06:07:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 06:07:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 06:07:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-25 06:07:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:07:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-25 06:07:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-25 06:07:32,322 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 06:07:32,678 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:32,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:33,279 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:33,320 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:33,320 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 06:07:33,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:33 BoogieIcfgContainer [2021-11-25 06:07:33,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:33,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:33,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:33,336 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:33,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:33" (1/1) ... [2021-11-25 06:07:33,337 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 06:07:33,342 INFO L158 Benchmark]: Toolchain (without parser) took 2608.57ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 40.3MB in the end (delta: 22.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-11-25 06:07:33,343 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:33,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.41ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 56.4MB in the end (delta: 5.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-11-25 06:07:33,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.52ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 51.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:07:33,346 INFO L158 Benchmark]: Boogie Preprocessor took 79.23ms. Allocated memory is still 107.0MB. Free memory was 51.8MB in the beginning and 47.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:07:33,346 INFO L158 Benchmark]: RCFGBuilder took 1097.24ms. Allocated memory is still 107.0MB. Free memory was 47.6MB in the beginning and 41.0MB in the end (delta: 6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-25 06:07:33,347 INFO L158 Benchmark]: CodeCheck took 15.64ms. Allocated memory is still 107.0MB. Free memory was 41.0MB in the beginning and 40.3MB in the end (delta: 669.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:33,351 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 86.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.41ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 56.4MB in the end (delta: 5.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.52ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 51.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.23ms. Allocated memory is still 107.0MB. Free memory was 51.8MB in the beginning and 47.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.24ms. Allocated memory is still 107.0MB. Free memory was 47.6MB in the beginning and 41.0MB in the end (delta: 6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * CodeCheck took 15.64ms. Allocated memory is still 107.0MB. Free memory was 41.0MB in the beginning and 40.3MB in the end (delta: 669.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:07:33,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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_9fa761a9-eda7-4590-8d93-7903057d2240/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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:35,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:35,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:36,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:36,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:36,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:36,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:36,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:36,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:36,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:36,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:36,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:36,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:36,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:36,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:36,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:36,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:36,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:36,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:36,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:36,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:36,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:36,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:36,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:36,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:36,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:36,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:36,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:36,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:36,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:36,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:36,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:36,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:36,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:36,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:36,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:36,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:36,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:36,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:36,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:36,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:36,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 06:07:36,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:36,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:36,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:36,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:36,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:36,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:36,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:36,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:07:36,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:07:36,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:36,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:36,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:36,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:36,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 06:07:36,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 06:07:36,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 06:07:36,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:07:36,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:36,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:36,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:36,195 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:36,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:36,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:36,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:36,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:36,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:36,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:36,197 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 06:07:36,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 06:07:36,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:36,197 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 06:07:36,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 06:07:36,198 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_9fa761a9-eda7-4590-8d93-7903057d2240/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-25 06:07:36,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:36,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:36,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:36,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:36,653 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:36,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-25 06:07:36,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/d46b19ca2/3eb817b4cc34429b8c34940c8034f96c/FLAG28c4884ca [2021-11-25 06:07:37,394 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:37,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-25 06:07:37,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/d46b19ca2/3eb817b4cc34429b8c34940c8034f96c/FLAG28c4884ca [2021-11-25 06:07:37,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/data/d46b19ca2/3eb817b4cc34429b8c34940c8034f96c [2021-11-25 06:07:37,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:37,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:37,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:37,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:37,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:37,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:37" (1/1) ... [2021-11-25 06:07:37,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d58052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:37, skipping insertion in model container [2021-11-25 06:07:37,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:37" (1/1) ... [2021-11-25 06:07:37,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:37,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:38,741 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-25 06:07:38,796 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-25 06:07:38,801 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-25 06:07:38,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:38,836 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:38,914 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-25 06:07:38,940 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-25 06:07:38,950 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_9fa761a9-eda7-4590-8d93-7903057d2240/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-25 06:07:38,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:39,213 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:39,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39 WrapperNode [2021-11-25 06:07:39,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:39,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:39,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:39,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:39,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,356 INFO L137 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2021-11-25 06:07:39,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:39,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:39,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:39,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:39,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:39,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:39,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:39,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:39,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:39" (1/1) ... [2021-11-25 06:07:39,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:39,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:39,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:39,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-25 06:07:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-25 06:07:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 06:07:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:07:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:07:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-25 06:07:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-25 06:07:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 06:07:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 06:07:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 06:07:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-25 06:07:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-25 06:07:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-25 06:07:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-25 06:07:39,533 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 06:07:39,935 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:39,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:40,744 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:40,796 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:40,796 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 06:07:40,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:40 BoogieIcfgContainer [2021-11-25 06:07:40,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:40,800 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:40,800 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:40,810 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:40,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:40" (1/1) ... [2021-11-25 06:07:40,811 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 06:07:40,815 INFO L158 Benchmark]: Toolchain (without parser) took 3200.64ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 40.0MB in the end (delta: 4.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,816 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:40,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.04ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.9MB in the beginning and 65.7MB in the end (delta: -21.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.98ms. Allocated memory is still 90.2MB. Free memory was 65.7MB in the beginning and 60.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,834 INFO L158 Benchmark]: Boogie Preprocessor took 75.57ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 55.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,834 INFO L158 Benchmark]: RCFGBuilder took 1365.90ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 41.2MB in the end (delta: 14.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,835 INFO L158 Benchmark]: CodeCheck took 13.35ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 40.0MB in the end (delta: 777.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:07:40,839 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 0.21ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.04ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.9MB in the beginning and 65.7MB in the end (delta: -21.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.98ms. Allocated memory is still 90.2MB. Free memory was 65.7MB in the beginning and 60.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.57ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 55.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1365.90ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 41.2MB in the end (delta: 14.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 13.35ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 40.0MB in the end (delta: 777.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:07:40,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa761a9-eda7-4590-8d93-7903057d2240/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported