./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 18:22:46,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:22:46,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:22:46,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:22:46,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:22:46,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:22:46,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:22:46,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:22:46,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:22:46,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:22:46,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:22:46,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:22:46,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:22:46,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:22:46,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:22:46,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:22:46,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:22:46,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:22:46,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:22:46,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:22:46,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:22:46,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:22:46,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:22:46,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:22:46,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:22:46,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:22:46,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:22:46,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:22:46,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:22:46,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:22:46,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:22:46,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:22:46,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:22:46,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:22:46,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:22:46,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:22:46,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:22:46,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:22:46,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:22:46,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:22:46,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:22:46,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:22:46,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:22:46,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:22:46,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:22:46,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:22:46,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:22:46,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:22:46,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:22:46,726 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:22:46,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:22:46,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:22:46,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:22:46,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:22:46,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:22:46,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:22:46,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:22:46,728 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:22:46,728 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:22:46,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:22:46,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:22:46,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:22:46,729 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:22:46,729 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:22:46,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:22:46,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:46,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:22:46,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:22:46,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:22:46,730 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:22:46,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:22:46,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:22:46,731 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_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-11-20 18:22:47,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:22:47,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:22:47,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:22:47,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:22:47,114 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:22:47,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_longer.i [2022-11-20 18:22:50,093 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:22:50,482 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:22:50,482 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i [2022-11-20 18:22:50,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/cf4debdd4/12ed612df21e4d7792ca69efabc99468/FLAGd80da503f [2022-11-20 18:22:50,515 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/cf4debdd4/12ed612df21e4d7792ca69efabc99468 [2022-11-20 18:22:50,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:22:50,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:22:50,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:50,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:22:50,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:22:50,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:50" (1/1) ... [2022-11-20 18:22:50,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5795119a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:50, skipping insertion in model container [2022-11-20 18:22:50,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:50" (1/1) ... [2022-11-20 18:22:50,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:22:50,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:22:51,161 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-20 18:22:51,165 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-20 18:22:51,170 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-20 18:22:51,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:51,193 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:22:51,264 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-20 18:22:51,266 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-20 18:22:51,268 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-20 18:22:51,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:51,343 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:22:51,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51 WrapperNode [2022-11-20 18:22:51,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:51,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:51,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:22:51,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:22:51,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,425 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2022-11-20 18:22:51,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:51,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:22:51,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:22:51,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:22:51,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:22:51,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:22:51,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:22:51,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:22:51,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:51" (1/1) ... [2022-11-20 18:22:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:51,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:22:51,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:22:51,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:22:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 18:22:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 18:22:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 18:22:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 18:22:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:22:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 18:22:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 18:22:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:22:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-11-20 18:22:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-11-20 18:22:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:22:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:22:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:22:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:22:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:22:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:22:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:22:51,602 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:22:51,754 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:22:51,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:22:52,273 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:22:52,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:22:52,283 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:22:52,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:52 BoogieIcfgContainer [2022-11-20 18:22:52,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:22:52,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:22:52,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:22:52,297 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:22:52,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:52" (1/1) ... [2022-11-20 18:22:52,298 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) [2022-11-20 18:22:52,304 INFO L158 Benchmark]: Toolchain (without parser) took 1783.34ms. Allocated memory is still 161.5MB. Free memory was 131.6MB in the beginning and 73.0MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,304 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:22:52,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.68ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 100.9MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.78ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,308 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 161.5MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,308 INFO L158 Benchmark]: RCFGBuilder took 813.91ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 73.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,310 INFO L158 Benchmark]: CodeCheck took 15.09ms. Allocated memory is still 161.5MB. Free memory was 73.9MB in the beginning and 73.0MB in the end (delta: 865.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:22:52,319 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 125.8MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.68ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 100.9MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.78ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 161.5MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.91ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 73.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 15.09ms. Allocated memory is still 161.5MB. Free memory was 73.9MB in the beginning and 73.0MB in the end (delta: 865.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:22:52,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 18:22:54,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:22:54,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:22:54,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:22:54,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:22:54,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:22:54,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:22:54,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:22:54,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:22:54,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:22:54,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:22:54,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:22:54,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:22:54,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:22:54,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:22:54,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:22:54,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:22:54,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:22:54,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:22:54,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:22:54,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:22:54,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:22:54,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:22:54,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:22:54,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:22:54,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:22:54,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:22:54,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:22:54,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:22:54,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:22:54,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:22:54,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:22:54,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:22:54,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:22:54,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:22:54,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:22:54,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:22:54,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:22:54,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:22:54,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:22:54,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:22:54,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:22:54,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:22:54,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:22:54,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:22:54,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:22:54,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:22:54,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:22:54,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:22:54,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:22:54,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:22:54,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:22:54,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:22:54,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:22:54,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:22:54,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:22:54,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:22:54,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:22:54,973 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:22:54,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:22:54,973 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:22:54,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:22:54,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:22:54,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:22:54,974 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:22:54,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:22:54,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:22:54,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:54,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:22:54,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:22:54,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:22:54,977 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:22:54,977 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:22:54,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:22:54,977 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:22:54,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:22:54,978 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_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-11-20 18:22:55,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:22:55,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:22:55,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:22:55,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:22:55,393 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:22:55,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_longer.i [2022-11-20 18:22:58,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:22:58,865 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:22:58,871 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i [2022-11-20 18:22:58,892 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/e075df5e5/2d636218b031424eb401484b0dbc8be1/FLAG17c74fbaf [2022-11-20 18:22:58,907 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/data/e075df5e5/2d636218b031424eb401484b0dbc8be1 [2022-11-20 18:22:58,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:22:58,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:22:58,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:58,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:22:58,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:22:58,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:58" (1/1) ... [2022-11-20 18:22:58,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be2179f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:58, skipping insertion in model container [2022-11-20 18:22:58,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:58" (1/1) ... [2022-11-20 18:22:58,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:22:58,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:22:59,527 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-20 18:22:59,532 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-20 18:22:59,540 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-20 18:22:59,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:59,577 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:22:59,664 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-11-20 18:22:59,670 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-11-20 18:22:59,678 WARN L237 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_b73422d2-545a-406e-8d04-cd640a783f82/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-11-20 18:22:59,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:59,779 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:22:59,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59 WrapperNode [2022-11-20 18:22:59,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:59,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:59,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:22:59,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:22:59,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,860 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2022-11-20 18:22:59,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:59,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:22:59,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:22:59,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:22:59,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:22:59,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:22:59,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:22:59,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:22:59,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:59" (1/1) ... [2022-11-20 18:22:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:22:59,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:22:59,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:23:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:23:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 18:23:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 18:23:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 18:23:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 18:23:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:23:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 18:23:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 18:23:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:23:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:23:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:23:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 18:23:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-11-20 18:23:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-11-20 18:23:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:23:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:23:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:23:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:23:00,019 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:23:00,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:23:00,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:23:00,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:23:00,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:23:00,850 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:23:00,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:23:00 BoogieIcfgContainer [2022-11-20 18:23:00,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:23:00,856 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:23:00,856 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:23:00,866 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:23:00,866 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:23:00" (1/1) ... [2022-11-20 18:23:00,867 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) [2022-11-20 18:23:00,873 INFO L158 Benchmark]: Toolchain (without parser) took 1958.67ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.6MB in the beginning and 48.8MB in the end (delta: -16.2MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-20 18:23:00,874 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:23:00,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.90ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 58.0MB in the end (delta: -25.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-11-20 18:23:00,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.82ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 55.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:23:00,879 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:23:00,880 INFO L158 Benchmark]: RCFGBuilder took 954.51ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 50.0MB in the end (delta: 2.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-20 18:23:00,881 INFO L158 Benchmark]: CodeCheck took 15.94ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 48.8MB in the end (delta: 815.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:23:00,890 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 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.90ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 58.0MB in the end (delta: -25.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.82ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 55.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 954.51ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 50.0MB in the end (delta: 2.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * CodeCheck took 15.94ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 48.8MB in the end (delta: 815.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:23:00,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73422d2-545a-406e-8d04-cd640a783f82/bin/ukojak-pZX7IvK2PQ/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