./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_longest.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_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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_6e7c3248-1078-4565-a63a-720e059bb837/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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- 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 16:58:30,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:30,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:30,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:30,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:30,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:30,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:30,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:30,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:30,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:30,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:30,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:30,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:30,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:30,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:30,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:30,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:30,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:30,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:30,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:30,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:30,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:30,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:30,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:30,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:30,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:30,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:30,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:30,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:30,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:30,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:30,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:30,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:30,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:30,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:30,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:30,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:30,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:30,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:30,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:30,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:30,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:30,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:30,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:30,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:30,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:30,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:30,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:30,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:30,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:30,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:30,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:30,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:30,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:30,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:30,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:30,524 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:30,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:30,525 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:30,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:30,525 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:30,525 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:30,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:30,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:30,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:30,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:30,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:30,526 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:30,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:30,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:30,528 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_6e7c3248-1078-4565-a63a-720e059bb837/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2022-10-17 16:58:30,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:30,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:30,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:30,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:30,816 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:30,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/queue_longest.i [2022-10-17 16:58:30,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/8b4b320c5/99b91a908d6e4d89864b5da2007ea176/FLAGa200550aa [2022-10-17 16:58:31,447 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:31,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i [2022-10-17 16:58:31,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/8b4b320c5/99b91a908d6e4d89864b5da2007ea176/FLAGa200550aa [2022-10-17 16:58:31,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/8b4b320c5/99b91a908d6e4d89864b5da2007ea176 [2022-10-17 16:58:31,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:31,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:31,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:31,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:31,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:31,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:31" (1/1) ... [2022-10-17 16:58:31,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d102ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:31, skipping insertion in model container [2022-10-17 16:58:31,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:31" (1/1) ... [2022-10-17 16:58:31,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:31,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:32,324 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-10-17 16:58:32,329 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-10-17 16:58:32,332 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-10-17 16:58:32,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:32,349 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:32,392 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-10-17 16:58:32,394 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-10-17 16:58:32,397 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-10-17 16:58:32,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:32,464 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:32,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32 WrapperNode [2022-10-17 16:58:32,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:32,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:32,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:32,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:32,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,538 INFO L138 Inliner]: procedures = 274, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-10-17 16:58:32,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:32,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:32,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:32,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:32,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:32,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:32,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:32,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:32,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:32,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:32,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:32,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:58:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:58:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:58:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:58:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-10-17 16:58:32,725 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-10-17 16:58:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-10-17 16:58:32,725 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:32,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:32,728 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 16:58:32,916 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:32,918 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:33,356 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:33,369 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:33,370 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:58:33,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:33 BoogieIcfgContainer [2022-10-17 16:58:33,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:33,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:33,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:33,387 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:33,388 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:33" (1/1) ... [2022-10-17 16:58:33,388 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 16:58:33,393 INFO L158 Benchmark]: Toolchain (without parser) took 1691.97ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 77.0MB in the end (delta: -5.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,393 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:33,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.06ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 51.0MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.64ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 100.5MB in the end (delta: -49.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,396 INFO L158 Benchmark]: Boogie Preprocessor took 88.77ms. Allocated memory is still 123.7MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,397 INFO L158 Benchmark]: RCFGBuilder took 743.58ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 77.9MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,398 INFO L158 Benchmark]: CodeCheck took 16.84ms. Allocated memory is still 123.7MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 980.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:33,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.06ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 51.0MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.64ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 100.5MB in the end (delta: -49.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.77ms. Allocated memory is still 123.7MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.58ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 77.9MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.84ms. Allocated memory is still 123.7MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 980.0kB). 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 16:58:33,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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_6e7c3248-1078-4565-a63a-720e059bb837/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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- 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 16:58:36,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:36,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:36,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:36,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:36,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:36,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:36,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:36,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:36,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:36,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:36,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:36,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:36,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:36,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:36,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:36,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:36,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:36,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:36,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:36,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:36,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:36,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:36,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:36,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:36,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:36,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:36,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:36,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:36,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:36,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:36,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:36,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:36,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:36,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:36,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:36,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:36,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:36,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:36,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:36,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:36,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:58:36,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:36,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:36,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:36,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:36,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:36,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:36,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:36,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:36,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:36,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:36,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:36,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:36,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:36,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:58:36,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:58:36,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:58:36,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:36,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:36,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:36,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:36,206 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:36,207 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:36,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:36,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:36,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:36,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:36,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:36,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:58:36,209 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:58:36,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:36,209 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:58:36,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:58:36,210 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_6e7c3248-1078-4565-a63a-720e059bb837/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2022-10-17 16:58:36,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:36,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:36,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:36,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:36,696 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:36,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/queue_longest.i [2022-10-17 16:58:36,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/4a966c67f/af713981c50a4bea81202a898eb90019/FLAG7c86fe72b [2022-10-17 16:58:37,403 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:37,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i [2022-10-17 16:58:37,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/4a966c67f/af713981c50a4bea81202a898eb90019/FLAG7c86fe72b [2022-10-17 16:58:37,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/data/4a966c67f/af713981c50a4bea81202a898eb90019 [2022-10-17 16:58:37,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:37,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:37,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:37,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:37,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:37,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:37" (1/1) ... [2022-10-17 16:58:37,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462ac861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:37, skipping insertion in model container [2022-10-17 16:58:37,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:37" (1/1) ... [2022-10-17 16:58:37,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:37,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:38,350 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-10-17 16:58:38,356 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-10-17 16:58:38,359 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-10-17 16:58:38,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:38,378 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:38,428 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-10-17 16:58:38,430 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-10-17 16:58:38,434 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_6e7c3248-1078-4565-a63a-720e059bb837/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-10-17 16:58:38,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:38,530 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:38,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38 WrapperNode [2022-10-17 16:58:38,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:38,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:38,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:38,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:38,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,600 INFO L138 Inliner]: procedures = 278, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2022-10-17 16:58:38,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:38,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:38,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:38,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:38,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:38,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:38,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:38,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:38,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:38" (1/1) ... [2022-10-17 16:58:38,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:38,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:38,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:38,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:58:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:58:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:58:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:58:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:58:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-10-17 16:58:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:58:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-10-17 16:58:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-10-17 16:58:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:58:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:38,767 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 16:58:39,002 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:39,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:39,566 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:39,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:39,577 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:58:39,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:39 BoogieIcfgContainer [2022-10-17 16:58:39,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:39,581 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:39,581 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:39,592 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:39,592 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:39" (1/1) ... [2022-10-17 16:58:39,593 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 16:58:39,598 INFO L158 Benchmark]: Toolchain (without parser) took 1918.61ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.9MB in the beginning and 40.8MB in the end (delta: -4.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,599 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:39,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.11ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 49.3MB in the end (delta: -13.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.64ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,602 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,602 INFO L158 Benchmark]: RCFGBuilder took 925.21ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 41.9MB in the end (delta: 2.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,603 INFO L158 Benchmark]: CodeCheck took 15.45ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:39,607 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 58.7MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.11ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 49.3MB in the end (delta: -13.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.64ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.21ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 41.9MB in the end (delta: 2.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 15.45ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.0MB). 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 16:58:39,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7c3248-1078-4565-a63a-720e059bb837/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