./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/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_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/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_15e1bd62-994c-4e00-88e6-23c394b53519/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 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:41:13,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:41:13,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:41:13,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:41:13,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:41:13,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:41:13,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:41:13,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:41:13,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:41:13,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:41:13,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:41:13,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:41:13,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:41:13,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:41:13,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:41:13,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:41:13,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:41:13,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:41:13,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:41:13,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:41:13,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:41:13,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:41:13,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:41:13,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:41:13,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:41:13,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:41:13,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:41:13,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:41:13,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:41:13,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:41:13,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:41:13,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:41:13,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:41:13,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:41:13,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:41:13,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:41:13,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:41:13,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:41:13,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:41:13,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:41:13,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:41:13,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:41:13,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:41:13,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:41:13,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:41:13,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:41:13,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:41:13,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:41:13,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:41:13,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:41:13,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:41:13,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:41:13,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:41:13,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:41:13,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:41:13,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:41:13,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:41:13,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:41:13,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:41:13,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:41:13,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:41:13,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:41:13,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:41:13,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:13,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:41:13,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:41:13,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:41:13,565 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:41:13,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:41:13,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:41:13,566 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_15e1bd62-994c-4e00-88e6-23c394b53519/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-23 01:41:13,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:41:13,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:41:13,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:41:13,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:41:13,963 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:41:13,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-23 01:41:14,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/4fe166ad0/2c8642032773449c9f04ece9caabfb0a/FLAG6fda67fb0 [2021-11-23 01:41:14,821 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:41:14,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-23 01:41:14,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/4fe166ad0/2c8642032773449c9f04ece9caabfb0a/FLAG6fda67fb0 [2021-11-23 01:41:14,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/4fe166ad0/2c8642032773449c9f04ece9caabfb0a [2021-11-23 01:41:14,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:41:14,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:41:14,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:14,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:41:14,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:41:14,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:14" (1/1) ... [2021-11-23 01:41:14,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b89521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:14, skipping insertion in model container [2021-11-23 01:41:14,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:14" (1/1) ... [2021-11-23 01:41:14,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:41:15,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:41:15,912 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-23 01:41:15,974 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-23 01:41:15,979 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-23 01:41:15,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:16,008 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:41:16,087 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-23 01:41:16,126 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-23 01:41:16,129 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-23 01:41:16,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:16,316 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:41:16,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16 WrapperNode [2021-11-23 01:41:16,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:16,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:16,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:41:16,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:41:16,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,503 INFO L137 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2021-11-23 01:41:16,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:16,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:41:16,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:41:16,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:41:16,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:41:16,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:41:16,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:41:16,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:41:16,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:16" (1/1) ... [2021-11-23 01:41:16,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:41:16,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:41:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:41:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 01:41:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 01:41:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 01:41:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 01:41:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:41:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 01:41:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 01:41:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 01:41:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 01:41:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:41:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 01:41:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 01:41:16,714 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 01:41:17,064 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:41:17,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:41:17,866 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:41:17,921 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:41:17,922 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:41:17,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:17 BoogieIcfgContainer [2021-11-23 01:41:17,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:41:17,929 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:41:17,929 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:41:17,942 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:41:17,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:17" (1/1) ... [2021-11-23 01:41:17,943 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 01:41:17,958 INFO L158 Benchmark]: Toolchain (without parser) took 3022.97ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 58.1MB in the beginning and 51.5MB in the end (delta: 6.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,960 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:41:17,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.42ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 44.1MB in the end (delta: 13.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.55ms. Allocated memory is still 121.6MB. Free memory was 44.1MB in the beginning and 92.8MB in the end (delta: -48.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,964 INFO L158 Benchmark]: Boogie Preprocessor took 112.77ms. Allocated memory is still 121.6MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,965 INFO L158 Benchmark]: RCFGBuilder took 1306.79ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 52.3MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,967 INFO L158 Benchmark]: CodeCheck took 24.40ms. Allocated memory is still 121.6MB. Free memory was 52.3MB in the beginning and 51.5MB in the end (delta: 744.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:41:17,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.42ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 44.1MB in the end (delta: 13.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.55ms. Allocated memory is still 121.6MB. Free memory was 44.1MB in the beginning and 92.8MB in the end (delta: -48.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.77ms. Allocated memory is still 121.6MB. Free memory was 92.8MB in the beginning and 88.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1306.79ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 52.3MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 24.40ms. Allocated memory is still 121.6MB. Free memory was 52.3MB in the beginning and 51.5MB in the end (delta: 744.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:41:18,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/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_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/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_15e1bd62-994c-4e00-88e6-23c394b53519/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 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:41:20,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:41:20,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:41:20,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:41:20,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:41:20,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:41:20,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:41:20,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:41:20,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:41:20,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:41:20,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:41:20,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:41:20,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:41:20,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:41:20,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:41:21,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:41:21,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:41:21,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:41:21,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:41:21,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:41:21,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:41:21,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:41:21,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:41:21,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:41:21,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:41:21,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:41:21,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:41:21,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:41:21,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:41:21,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:41:21,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:41:21,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:41:21,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:41:21,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:41:21,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:41:21,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:41:21,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:41:21,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:41:21,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:41:21,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:41:21,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:41:21,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:41:21,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:41:21,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:41:21,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:41:21,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:41:21,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:41:21,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:41:21,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:41:21,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:41:21,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:41:21,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:41:21,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:41:21,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:41:21,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:41:21,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:41:21,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:41:21,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:41:21,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:41:21,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:41:21,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:41:21,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:41:21,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:41:21,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:41:21,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:41:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:21,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:41:21,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:41:21,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:41:21,134 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:41:21,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:41:21,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:41:21,135 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:41:21,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:41:21,136 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_15e1bd62-994c-4e00-88e6-23c394b53519/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1634bb3c8fd20e3116589f39b7439eb06d3d5864b5afee415eff1cf39cd7c4 [2021-11-23 01:41:21,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:41:21,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:41:21,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:41:21,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:41:21,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:41:21,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-23 01:41:21,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/da231ce89/9a12f23cb30648778c50fbe32d4ab071/FLAGa170f7b1d [2021-11-23 01:41:22,589 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:41:22,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2021-11-23 01:41:22,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/da231ce89/9a12f23cb30648778c50fbe32d4ab071/FLAGa170f7b1d [2021-11-23 01:41:22,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/data/da231ce89/9a12f23cb30648778c50fbe32d4ab071 [2021-11-23 01:41:22,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:41:22,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:41:22,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:22,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:41:22,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:41:22,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:22" (1/1) ... [2021-11-23 01:41:22,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb15070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:22, skipping insertion in model container [2021-11-23 01:41:22,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:22" (1/1) ... [2021-11-23 01:41:22,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:41:22,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:41:23,606 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-23 01:41:23,662 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-23 01:41:23,674 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-23 01:41:23,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:23,712 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:41:23,769 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[76469,76482] [2021-11-23 01:41:23,820 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79042,79055] [2021-11-23 01:41:23,842 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_15e1bd62-994c-4e00-88e6-23c394b53519/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i[79451,79464] [2021-11-23 01:41:23,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:24,108 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:41:24,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24 WrapperNode [2021-11-23 01:41:24,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:24,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:24,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:41:24,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:41:24,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,252 INFO L137 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2021-11-23 01:41:24,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:24,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:41:24,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:41:24,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:41:24,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:41:24,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:41:24,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:41:24,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:41:24,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:24" (1/1) ... [2021-11-23 01:41:24,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:24,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:41:24,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:41:24,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:41:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 01:41:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 01:41:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:41:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:41:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:41:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:41:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:41:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:41:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:41:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:41:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 01:41:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 01:41:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:41:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:41:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:41:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 01:41:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 01:41:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:41:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:41:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:41:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 01:41:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 01:41:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 01:41:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 01:41:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 01:41:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 01:41:24,483 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 01:41:24,816 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:41:24,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:41:25,681 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:41:25,769 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:41:25,769 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:41:25,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:25 BoogieIcfgContainer [2021-11-23 01:41:25,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:41:25,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:41:25,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:41:25,783 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:41:25,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:25" (1/1) ... [2021-11-23 01:41:25,784 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 01:41:25,789 INFO L158 Benchmark]: Toolchain (without parser) took 3092.42ms. Allocated memory was 56.6MB in the beginning and 104.9MB in the end (delta: 48.2MB). Free memory was 31.6MB in the beginning and 63.5MB in the end (delta: -31.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 01:41:25,789 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:41:25,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.35ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.4MB in the beginning and 44.6MB in the end (delta: -13.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-23 01:41:25,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.79ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:41:25,791 INFO L158 Benchmark]: Boogie Preprocessor took 129.13ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 34.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:41:25,792 INFO L158 Benchmark]: RCFGBuilder took 1384.77ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 34.1MB in the beginning and 64.7MB in the end (delta: -30.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 01:41:25,793 INFO L158 Benchmark]: CodeCheck took 12.27ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 63.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:41:25,796 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 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.35ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.4MB in the beginning and 44.6MB in the end (delta: -13.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.79ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.13ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 34.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1384.77ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 34.1MB in the beginning and 64.7MB in the end (delta: -30.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 12.27ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 63.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:41:25,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e1bd62-994c-4e00-88e6-23c394b53519/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