./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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_472d4cf9-9412-47ac-842f-c3431a9fa28a/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 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-6b4ec56 [2022-11-20 16:45:57,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:57,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:57,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:57,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:57,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:57,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:57,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:57,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:57,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:57,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:57,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:57,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:57,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:57,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:57,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:57,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:57,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:57,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:57,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:57,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:57,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:57,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:57,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:57,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:57,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:57,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:57,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:57,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:57,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:57,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:57,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:57,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:57,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:57,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:57,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:57,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:57,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:57,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:57,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:57,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:57,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:45:57,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:57,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:57,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:57,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:57,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:57,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:57,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:57,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:45:57,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:45:57,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:57,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:45:57,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:57,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:57,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:57,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:57,706 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:45:57,707 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:45:57,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:57,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:57,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:57,708 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:57,708 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:57,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:57,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:57,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:57,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:57,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:57,709 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:57,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:57,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:57,710 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2022-11-20 16:45:57,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:57,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:57,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:57,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:57,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:57,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_longest.i [2022-11-20 16:46:00,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:46:01,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:46:01,341 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i [2022-11-20 16:46:01,356 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/8568c7ff9/04d5f1f557ec413d9a8f309a8b548841/FLAGc300d60f9 [2022-11-20 16:46:01,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/8568c7ff9/04d5f1f557ec413d9a8f309a8b548841 [2022-11-20 16:46:01,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:46:01,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:46:01,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:46:01,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:46:01,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:46:01,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:46:01" (1/1) ... [2022-11-20 16:46:01,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309bcc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:01, skipping insertion in model container [2022-11-20 16:46:01,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:46:01" (1/1) ... [2022-11-20 16:46:01,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:46:01,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:46:01,927 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-11-20 16:46:01,932 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-11-20 16:46:01,938 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-11-20 16:46:01,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:46:01,959 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:46:02,042 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-11-20 16:46:02,047 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-11-20 16:46:02,054 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-11-20 16:46:02,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:46:02,133 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:46:02,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02 WrapperNode [2022-11-20 16:46:02,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:46:02,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:46:02,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:46:02,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:46:02,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,195 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2022-11-20 16:46:02,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:46:02,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:46:02,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:46:02,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:46:02,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,235 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:46:02,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:46:02,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:46:02,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:46:02,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:02" (1/1) ... [2022-11-20 16:46:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:46:02,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:46:02,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:46:02,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:46:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:46:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:46:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:46:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:46:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:46:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 16:46:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 16:46:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:46:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-11-20 16:46:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-11-20 16:46:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:46:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:46:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:46:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:46:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:46:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:46:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:46:02,320 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 16:46:02,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:46:02,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:46:03,051 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:46:03,069 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:46:03,075 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:46:03,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:03 BoogieIcfgContainer [2022-11-20 16:46:03,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:46:03,084 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:46:03,084 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:46:03,095 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:46:03,096 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:03" (1/1) ... [2022-11-20 16:46:03,097 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 16:46:03,101 INFO L158 Benchmark]: Toolchain (without parser) took 1725.37ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 86.2MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 16:46:03,102 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 180.4MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:03,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.60ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 114.1MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 16:46:03,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.91ms. Allocated memory is still 180.4MB. Free memory was 114.1MB in the beginning and 111.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:03,104 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 180.4MB. Free memory was 111.4MB in the beginning and 109.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:03,105 INFO L158 Benchmark]: RCFGBuilder took 842.09ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 87.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:03,105 INFO L158 Benchmark]: CodeCheck took 15.98ms. Allocated memory is still 180.4MB. Free memory was 86.8MB in the beginning and 86.2MB in the end (delta: 664.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:03,109 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 0.21ms. Allocated memory is still 180.4MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.60ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 114.1MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.91ms. Allocated memory is still 180.4MB. Free memory was 114.1MB in the beginning and 111.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 180.4MB. Free memory was 111.4MB in the beginning and 109.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 842.09ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 87.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 15.98ms. Allocated memory is still 180.4MB. Free memory was 86.8MB in the beginning and 86.2MB in the end (delta: 664.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:46:03,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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_472d4cf9-9412-47ac-842f-c3431a9fa28a/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 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-6b4ec56 [2022-11-20 16:46:05,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:46:05,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:46:05,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:46:05,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:46:05,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:46:05,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:46:05,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:46:05,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:46:05,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:46:05,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:46:05,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:46:05,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:46:05,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:46:05,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:46:05,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:46:05,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:46:05,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:46:05,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:46:05,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:46:05,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:46:05,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:46:05,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:46:05,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:46:05,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:46:05,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:46:05,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:46:05,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:46:05,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:46:05,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:46:05,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:46:05,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:46:05,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:46:05,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:46:05,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:46:05,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:46:05,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:46:05,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:46:05,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:46:05,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:46:05,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:46:05,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:46:05,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:46:05,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:46:05,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:46:05,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:46:05,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:46:05,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:46:05,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:46:05,858 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:46:05,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:46:05,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:46:05,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:46:05,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:46:05,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:46:05,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:46:05,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:46:05,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:46:05,861 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:46:05,862 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:46:05,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:46:05,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:46:05,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:46:05,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:46:05,863 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:46:05,864 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:46:05,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:46:05,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:46:05,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:46:05,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:46:05,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:46:05,865 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:46:05,866 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:46:05,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:46:05,867 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:46:05,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:46:05,867 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2022-11-20 16:46:06,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:46:06,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:46:06,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:46:06,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:46:06,301 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:46:06,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_longest.i [2022-11-20 16:46:09,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:46:09,703 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:46:09,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i [2022-11-20 16:46:09,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/13d57f36d/63420e3f086a4c4da1eeea407985b62f/FLAGc0aebdc03 [2022-11-20 16:46:09,749 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/data/13d57f36d/63420e3f086a4c4da1eeea407985b62f [2022-11-20 16:46:09,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:46:09,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:46:09,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:46:09,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:46:09,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:46:09,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:46:09" (1/1) ... [2022-11-20 16:46:09,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c233138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:09, skipping insertion in model container [2022-11-20 16:46:09,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:46:09" (1/1) ... [2022-11-20 16:46:09,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:46:09,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:46:10,534 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-11-20 16:46:10,539 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-11-20 16:46:10,546 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-11-20 16:46:10,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:46:10,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:46:10,686 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2022-11-20 16:46:10,688 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2022-11-20 16:46:10,690 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_472d4cf9-9412-47ac-842f-c3431a9fa28a/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2022-11-20 16:46:10,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:46:10,753 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:46:10,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10 WrapperNode [2022-11-20 16:46:10,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:46:10,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:46:10,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:46:10,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:46:10,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,806 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2022-11-20 16:46:10,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:46:10,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:46:10,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:46:10,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:46:10,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:46:10,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:46:10,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:46:10,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:46:10,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:46:10" (1/1) ... [2022-11-20 16:46:10,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:46:10,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:46:10,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:46:10,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:46:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:46:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:46:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:46:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:46:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:46:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:46:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 16:46:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 16:46:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:46:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:46:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:46:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:46:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2022-11-20 16:46:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2022-11-20 16:46:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:46:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:46:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:46:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:46:10,938 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 16:46:11,176 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:46:11,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:46:11,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:46:11,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:46:11,644 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:46:11,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:11 BoogieIcfgContainer [2022-11-20 16:46:11,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:46:11,647 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:46:11,647 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:46:11,658 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:46:11,659 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:11" (1/1) ... [2022-11-20 16:46:11,660 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 16:46:11,664 INFO L158 Benchmark]: Toolchain (without parser) took 1909.66ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 41.6MB in the end (delta: 16.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-20 16:46:11,665 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:11,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 998.49ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.6MB in the end (delta: 13.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-20 16:46:11,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.63ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:11,667 INFO L158 Benchmark]: Boogie Preprocessor took 39.97ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:11,667 INFO L158 Benchmark]: RCFGBuilder took 798.06ms. Allocated memory is still 81.8MB. Free memory was 39.4MB in the beginning and 42.6MB in the end (delta: -3.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-20 16:46:11,668 INFO L158 Benchmark]: CodeCheck took 15.38ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 41.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:11,671 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 0.27ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 998.49ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.6MB in the end (delta: 13.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.63ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.97ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.06ms. Allocated memory is still 81.8MB. Free memory was 39.4MB in the beginning and 42.6MB in the end (delta: -3.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * CodeCheck took 15.38ms. Allocated memory is still 81.8MB. Free memory was 42.6MB in the beginning and 41.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:46:11,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472d4cf9-9412-47ac-842f-c3431a9fa28a/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