./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:28,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:28,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:29,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:29,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:29,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:29,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:29,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:29,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:29,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:29,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:29,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:29,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:29,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:29,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:29,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:29,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:29,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:29,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:29,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:29,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:29,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:29,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:29,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:29,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:29,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:29,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:29,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:29,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:29,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:29,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:29,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:29,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:29,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:29,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:29,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:29,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:29,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:29,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:29,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:29,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:29,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:29,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:29,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:29,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:29,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:29,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:29,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:29,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:29,127 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:29,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:29,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:29,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:29,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:29,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:29,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:29,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:29,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:29,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:29,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:29,129 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:29,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:29,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:29,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:29,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:29,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:29,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:29,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:29,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:29,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:29,132 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-23 01:03:29,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:29,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:29,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:29,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:29,541 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:29,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 01:03:29,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/e8bf1c405/1b6dc84aa9794eaeb912e538a23074df/FLAGd9d85efaa [2021-11-23 01:03:30,314 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:30,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 01:03:30,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/e8bf1c405/1b6dc84aa9794eaeb912e538a23074df/FLAGd9d85efaa [2021-11-23 01:03:30,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/e8bf1c405/1b6dc84aa9794eaeb912e538a23074df [2021-11-23 01:03:30,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:30,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:30,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:30,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:30,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:30,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:30" (1/1) ... [2021-11-23 01:03:30,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@beb0268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:30, skipping insertion in model container [2021-11-23 01:03:30,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:30" (1/1) ... [2021-11-23 01:03:30,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:30,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:31,758 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 01:03:31,806 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 01:03:31,812 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 01:03:31,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:31,845 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:31,930 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 01:03:31,952 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 01:03:31,956 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 01:03:31,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:32,125 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:32,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32 WrapperNode [2021-11-23 01:03:32,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:32,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:32,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:32,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:32,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,232 INFO L137 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2021-11-23 01:03:32,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:32,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:32,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:32,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:32,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:32,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:32,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:32,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:32,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:32" (1/1) ... [2021-11-23 01:03:32,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:32,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:32,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 01:03:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 01:03:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:03:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:03:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:03:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 01:03:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 01:03:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 01:03:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 01:03:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:03:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 01:03:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 01:03:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:03:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 01:03:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 01:03:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 01:03:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 01:03:32,437 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:32,837 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:32,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:33,437 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:33,471 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:33,472 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:03:33,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:33 BoogieIcfgContainer [2021-11-23 01:03:33,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:33,476 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:33,476 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:33,488 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:33,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:33" (1/1) ... [2021-11-23 01:03:33,490 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) [2021-11-23 01:03:33,495 INFO L158 Benchmark]: Toolchain (without parser) took 3071.10ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 54.7MB in the beginning and 53.4MB in the end (delta: 1.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 01:03:33,495 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:33,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1701.78ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 67.6MB in the end (delta: -13.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 01:03:33,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.16ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 63.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:33,498 INFO L158 Benchmark]: Boogie Preprocessor took 74.81ms. Allocated memory is still 115.3MB. Free memory was 63.0MB in the beginning and 58.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:33,499 INFO L158 Benchmark]: RCFGBuilder took 1165.77ms. Allocated memory is still 115.3MB. Free memory was 58.8MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 01:03:33,499 INFO L158 Benchmark]: CodeCheck took 16.72ms. Allocated memory is still 115.3MB. Free memory was 54.5MB in the beginning and 53.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:33,503 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 0.35ms. Allocated memory is still 94.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1701.78ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 67.6MB in the end (delta: -13.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.16ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 63.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.81ms. Allocated memory is still 115.3MB. Free memory was 63.0MB in the beginning and 58.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1165.77ms. Allocated memory is still 115.3MB. Free memory was 58.8MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 16.72ms. Allocated memory is still 115.3MB. Free memory was 54.5MB in the beginning and 53.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:33,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:35,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:35,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:36,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:36,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:36,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:36,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:36,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:36,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:36,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:36,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:36,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:36,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:36,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:36,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:36,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:36,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:36,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:36,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:36,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:36,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:36,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:36,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:36,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:36,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:36,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:36,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:36,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:36,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:36,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:36,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:36,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:36,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:36,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:36,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:36,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:36,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:36,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:36,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:36,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:36,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:36,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:03:36,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:36,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:36,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:36,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:36,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:36,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:36,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:36,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:36,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:03:36,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:03:36,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:03:36,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:36,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:36,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:36,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:36,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:36,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:36,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:36,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:36,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:36,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:36,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:36,163 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:03:36,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:03:36,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:36,164 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:03:36,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:03:36,164 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-23 01:03:36,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:36,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:36,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:36,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:36,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:36,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 01:03:36,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/0a111a062/769330fa0a2d403fa6b96306d58c4880/FLAGed590848c [2021-11-23 01:03:37,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:37,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 01:03:37,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/0a111a062/769330fa0a2d403fa6b96306d58c4880/FLAGed590848c [2021-11-23 01:03:37,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/data/0a111a062/769330fa0a2d403fa6b96306d58c4880 [2021-11-23 01:03:37,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:37,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:37,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:37,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:37,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:37,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:37" (1/1) ... [2021-11-23 01:03:37,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488e71c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:37, skipping insertion in model container [2021-11-23 01:03:37,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:37" (1/1) ... [2021-11-23 01:03:37,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:37,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:38,939 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 01:03:38,979 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 01:03:38,985 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 01:03:39,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:39,021 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:39,079 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 01:03:39,118 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 01:03:39,122 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_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 01:03:39,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:39,344 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:39,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39 WrapperNode [2021-11-23 01:03:39,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:39,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:39,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:39,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:39,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,486 INFO L137 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2021-11-23 01:03:39,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:39,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:39,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:39,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:39,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:39,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:39,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:39,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:39,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:39" (1/1) ... [2021-11-23 01:03:39,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:39,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:39,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 01:03:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 01:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:03:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:03:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:03:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 01:03:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 01:03:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:03:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 01:03:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 01:03:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:03:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:03:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 01:03:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 01:03:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 01:03:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 01:03:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 01:03:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 01:03:39,782 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:40,253 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:40,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:41,344 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:41,431 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:41,432 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:03:41,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:41 BoogieIcfgContainer [2021-11-23 01:03:41,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:41,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:41,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:41,452 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:41,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:41" (1/1) ... [2021-11-23 01:03:41,454 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) [2021-11-23 01:03:41,462 INFO L158 Benchmark]: Toolchain (without parser) took 3924.62ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 76.1MB in the end (delta: -11.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 01:03:41,462 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:41,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1805.21ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 60.1MB in the end (delta: 4.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:41,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.69ms. Allocated memory is still 111.1MB. Free memory was 59.7MB in the beginning and 55.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:41,466 INFO L158 Benchmark]: Boogie Preprocessor took 167.55ms. Allocated memory is still 111.1MB. Free memory was 55.1MB in the beginning and 81.9MB in the end (delta: -26.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 01:03:41,469 INFO L158 Benchmark]: RCFGBuilder took 1761.70ms. Allocated memory is still 111.1MB. Free memory was 81.9MB in the beginning and 77.4MB in the end (delta: 4.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 01:03:41,477 INFO L158 Benchmark]: CodeCheck took 19.95ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:41,485 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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1805.21ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 60.1MB in the end (delta: 4.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.69ms. Allocated memory is still 111.1MB. Free memory was 59.7MB in the beginning and 55.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.55ms. Allocated memory is still 111.1MB. Free memory was 55.1MB in the beginning and 81.9MB in the end (delta: -26.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1761.70ms. Allocated memory is still 111.1MB. Free memory was 81.9MB in the beginning and 77.4MB in the end (delta: 4.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 19.95ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:41,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ad429-cd32-4e98-88ef-7a9cf1fd11d5/bin/ukojak-LBtLqBUTdQ/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