./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB --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 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:13,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:13,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:13,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:13,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:13,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:13,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:13,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:13,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:13,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:13,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:13,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:13,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:13,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:13,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:13,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:13,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:13,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:13,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:13,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:13,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:13,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:13,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:13,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:13,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:13,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:13,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:13,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:13,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:13,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:13,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:13,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:13,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:13,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:13,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:13,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:13,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:13,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:13,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:13,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:13,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:13,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:13,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:13,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:13,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:13,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:13,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:13,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:13,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:13,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:13,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:13,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:13,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:13,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:13,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:13,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:13,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:13,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:13,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:13,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:13,565 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:13,565 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:13,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:13,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:13,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:13,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:13,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:13,566 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:13,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:13,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:13,567 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-10-17 16:39:13,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:13,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:13,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:13,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:13,896 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:13,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/queue_longer.i [2022-10-17 16:39:13,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/0318a0cd0/9346eb0c199b4cb4a75a008b08248f72/FLAG4e68f4884 [2022-10-17 16:39:14,656 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:14,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i [2022-10-17 16:39:14,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/0318a0cd0/9346eb0c199b4cb4a75a008b08248f72/FLAG4e68f4884 [2022-10-17 16:39:14,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/0318a0cd0/9346eb0c199b4cb4a75a008b08248f72 [2022-10-17 16:39:14,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:14,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:14,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:14,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:14,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:14,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:14" (1/1) ... [2022-10-17 16:39:14,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af91261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:14, skipping insertion in model container [2022-10-17 16:39:14,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:14" (1/1) ... [2022-10-17 16:39:14,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:14,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:15,502 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-10-17 16:39:15,512 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-10-17 16:39:15,519 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-10-17 16:39:15,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:15,543 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:15,601 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-10-17 16:39:15,611 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-10-17 16:39:15,618 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-10-17 16:39:15,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:15,684 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:15,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15 WrapperNode [2022-10-17 16:39:15,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:15,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:15,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:15,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:15,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,744 INFO L138 Inliner]: procedures = 274, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-10-17 16:39:15,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:15,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:15,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:15,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:15,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:15,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:15,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:15,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:15,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:15,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:15,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:39:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:39:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:39:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:39:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-10-17 16:39:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-10-17 16:39:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-10-17 16:39:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-10-17 16:39:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:39:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:15,908 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:39:16,167 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:16,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:16,655 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:16,666 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:16,666 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:16,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:16 BoogieIcfgContainer [2022-10-17 16:39:16,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:16,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:16,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:16,684 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:16,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:16" (1/1) ... [2022-10-17 16:39:16,686 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) [2022-10-17 16:39:16,692 INFO L158 Benchmark]: Toolchain (without parser) took 1860.94ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 48.0MB in the end (delta: 45.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,693 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.03ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 75.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.29ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 72.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,698 INFO L158 Benchmark]: Boogie Preprocessor took 40.89ms. Allocated memory is still 121.6MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,698 INFO L158 Benchmark]: RCFGBuilder took 882.75ms. Allocated memory is still 121.6MB. Free memory was 70.1MB in the beginning and 49.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:39:16,699 INFO L158 Benchmark]: CodeCheck took 18.89ms. Allocated memory is still 121.6MB. Free memory was 49.1MB in the beginning and 48.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:16,711 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 0.24ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.03ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 75.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.29ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 72.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.89ms. Allocated memory is still 121.6MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.75ms. Allocated memory is still 121.6MB. Free memory was 70.1MB in the beginning and 49.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 18.89ms. Allocated memory is still 121.6MB. Free memory was 49.1MB in the beginning and 48.0MB 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. [2022-10-17 16:39:16,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/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_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB --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 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:19,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:19,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:19,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:19,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:19,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:19,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:19,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:19,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:19,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:19,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:19,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:19,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:19,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:19,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:19,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:19,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:19,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:19,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:19,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:19,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:19,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:19,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:19,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:19,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:19,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:19,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:19,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:19,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:19,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:19,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:19,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:19,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:19,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:19,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:19,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:19,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:19,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:19,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:19,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:19,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:19,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:39:19,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:19,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:19,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:19,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:19,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:19,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:19,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:19,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:19,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:19,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:19,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:19,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:19,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:19,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:39:19,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:39:19,516 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:39:19,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:19,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:19,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:19,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:19,517 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:19,517 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:19,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:19,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:19,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:19,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:19,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:19,519 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:39:19,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:39:19,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:19,519 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:39:19,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:39:19,520 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-10-17 16:39:19,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:19,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:19,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:19,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:19,913 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:19,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/queue_longer.i [2022-10-17 16:39:19,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/a3dfb40c4/ce51d13e758d4b69b39b349da23b0fc0/FLAG33388b1bb [2022-10-17 16:39:20,724 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:20,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i [2022-10-17 16:39:20,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/a3dfb40c4/ce51d13e758d4b69b39b349da23b0fc0/FLAG33388b1bb [2022-10-17 16:39:20,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/data/a3dfb40c4/ce51d13e758d4b69b39b349da23b0fc0 [2022-10-17 16:39:20,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:20,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:20,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:20,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:20,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:20,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:20" (1/1) ... [2022-10-17 16:39:20,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e804ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:20, skipping insertion in model container [2022-10-17 16:39:20,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:20" (1/1) ... [2022-10-17 16:39:20,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:21,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:21,504 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-10-17 16:39:21,510 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-10-17 16:39:21,521 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-10-17 16:39:21,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:21,553 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:21,612 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-10-17 16:39:21,614 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-10-17 16:39:21,617 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_e944289a-63e2-498b-8373-7c4c67d8d1ba/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-10-17 16:39:21,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:21,715 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:21,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21 WrapperNode [2022-10-17 16:39:21,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:21,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:21,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:21,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:21,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,774 INFO L138 Inliner]: procedures = 278, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2022-10-17 16:39:21,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:21,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:21,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:21,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:21,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:21,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:21,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:21,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:21,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:21,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:21,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:21,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:39:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:39:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:39:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:39:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:39:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-10-17 16:39:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-10-17 16:39:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:39:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:39:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:39:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-10-17 16:39:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-10-17 16:39:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:39:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:21,926 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:39:22,163 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:22,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:22,723 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:22,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:22,738 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:22 BoogieIcfgContainer [2022-10-17 16:39:22,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:22,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:22,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:22,753 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:22,753 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:22" (1/1) ... [2022-10-17 16:39:22,754 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) [2022-10-17 16:39:22,758 INFO L158 Benchmark]: Toolchain (without parser) took 1809.75ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 40.9MB in the end (delta: -2.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,759 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:22,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.00ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 38.4MB in the end (delta: -343.2kB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.98ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 35.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,761 INFO L158 Benchmark]: Boogie Preprocessor took 45.60ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,762 INFO L158 Benchmark]: RCFGBuilder took 920.08ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 42.0MB in the end (delta: -9.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,762 INFO L158 Benchmark]: CodeCheck took 13.94ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 40.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:22,766 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 0.30ms. Allocated memory is still 52.4MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.00ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 38.4MB in the end (delta: -343.2kB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.98ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 35.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.60ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.08ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 42.0MB in the end (delta: -9.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 13.94ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 40.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:39:22,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e944289a-63e2-498b-8373-7c4c67d8d1ba/bin/ukojak-92XMlrwhuB/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