./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- 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-38b53e6 [2022-11-25 23:34:56,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:34:56,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:34:56,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:34:56,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:34:56,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:34:56,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:34:56,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:34:56,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:34:56,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:34:56,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:34:56,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:34:56,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:34:56,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:34:56,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:34:56,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:34:56,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:34:56,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:34:56,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:34:56,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:34:56,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:34:56,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:34:56,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:34:56,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:34:56,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:34:56,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:34:56,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:34:56,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:34:56,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:34:56,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:34:56,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:34:56,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:34:56,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:34:56,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:34:56,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:34:56,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:34:56,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:34:56,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:34:56,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:34:56,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:34:56,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:34:56,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 23:34:56,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:34:56,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:34:56,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:34:56,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:34:56,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:34:56,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:34:56,634 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:34:56,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:34:56,634 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:34:56,635 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:34:56,636 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:34:56,636 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:34:56,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:34:56,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:34:56,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:34:56,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:34:56,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:34:56,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:34:56,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:34:56,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:34:56,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:34:56,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:34:56,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:34:56,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:34:56,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:34:56,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:34:56,641 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:34:56,641 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:34:56,641 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:34:56,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:34:56,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:34:56,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:34:56,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:34:56,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:34:56,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:34:56,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:34:56,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:34:56,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:34:56,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:34:56,644 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:34:56,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:34:56,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:34:56,646 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-25 23:34:56,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:34:56,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:34:56,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:34:56,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:34:56,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:34:56,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-25 23:35:00,404 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:35:00,838 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:35:00,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-25 23:35:00,864 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/7eaee735f/64aff810e21d4447a979f80e34c0e175/FLAG423e10036 [2022-11-25 23:35:00,884 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/7eaee735f/64aff810e21d4447a979f80e34c0e175 [2022-11-25 23:35:00,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:35:00,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:35:00,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:00,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:35:00,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:35:00,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:00" (1/1) ... [2022-11-25 23:35:00,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f351a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:00, skipping insertion in model container [2022-11-25 23:35:00,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:00" (1/1) ... [2022-11-25 23:35:00,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:35:01,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:01,978 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-25 23:35:02,012 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:02,026 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:02,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:02,076 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-25 23:35:02,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a40e057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:02, skipping insertion in model container [2022-11-25 23:35:02,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:02,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:35:02,080 INFO L158 Benchmark]: Toolchain (without parser) took 1187.05ms. Allocated memory is still 151.0MB. Free memory was 117.1MB in the beginning and 96.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:35:02,081 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:35:02,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.94ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 96.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:35:02,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.94ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 96.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- 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-38b53e6 [2022-11-25 23:35:04,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:35:04,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:35:04,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:35:04,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:35:04,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:35:04,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:35:04,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:35:04,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:35:04,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:35:04,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:35:04,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:35:04,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:35:04,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:35:04,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:35:04,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:35:04,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:35:04,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:35:04,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:35:04,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:35:04,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:35:04,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:35:04,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:35:04,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:35:04,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:35:04,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:35:04,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:35:04,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:35:04,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:35:04,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:35:04,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:35:04,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:35:04,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:35:04,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:35:04,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:35:04,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:35:04,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:35:04,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:35:04,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:35:04,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:35:04,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:35:04,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-25 23:35:04,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:35:04,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:35:04,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:35:04,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:35:04,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:35:04,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:35:04,898 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:35:04,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:35:04,898 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:35:04,899 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:35:04,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:35:04,899 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:35:04,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:35:04,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:35:04,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:35:04,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:35:04,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:35:04,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:35:04,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:35:04,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:35:04,903 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:35:04,903 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:35:04,903 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:35:04,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:35:04,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:35:04,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:35:04,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:35:04,904 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:35:04,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:35:04,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:35:04,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:35:04,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:35:04,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:35:04,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:35:04,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:35:04,907 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:35:04,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:35:04,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:35:04,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:35:04,908 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-25 23:35:05,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:35:05,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:35:05,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:35:05,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:35:05,425 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:35:05,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-25 23:35:08,775 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:35:09,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:35:09,215 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-25 23:35:09,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/e56bb0620/0a545f87fb844c9c908e41e025b992fb/FLAGa2bde7d62 [2022-11-25 23:35:09,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/data/e56bb0620/0a545f87fb844c9c908e41e025b992fb [2022-11-25 23:35:09,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:35:09,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:35:09,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:09,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:35:09,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:35:09,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:09" (1/1) ... [2022-11-25 23:35:09,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcc32e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:09, skipping insertion in model container [2022-11-25 23:35:09,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:09" (1/1) ... [2022-11-25 23:35:09,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:35:09,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:10,076 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-25 23:35:10,101 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,113 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:10,159 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 23:35:10,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:10,285 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-25 23:35:10,311 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,316 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:10,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:35:10,477 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_c81c61b5-659d-48d8-b91a-c6ad54eff429/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-25 23:35:10,496 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,498 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:35:10,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:35:10,634 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:35:10,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10 WrapperNode [2022-11-25 23:35:10,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:10,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:35:10,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:35:10,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:35:10,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,777 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-11-25 23:35:10,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:35:10,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:35:10,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:35:10,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:35:10,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:35:10,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:35:10,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:35:10,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:35:10,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (1/1) ... [2022-11-25 23:35:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:35:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:35:10,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:35:10,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c61b5-659d-48d8-b91a-c6ad54eff429/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:35:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-11-25 23:35:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-11-25 23:35:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:35:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:35:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 23:35:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:35:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-25 23:35:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:35:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:35:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:35:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:35:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:35:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:35:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:35:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-11-25 23:35:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-11-25 23:35:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:35:10,949 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:35:11,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:35:11,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:35:13,741 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:35:13,765 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:35:13,765 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-25 23:35:13,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:35:13 BoogieIcfgContainer [2022-11-25 23:35:13,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:35:13,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:35:13,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:35:13,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:35:13,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:35:09" (1/3) ... [2022-11-25 23:35:13,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5257923b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:35:13, skipping insertion in model container [2022-11-25 23:35:13,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10" (2/3) ... [2022-11-25 23:35:13,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5257923b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:35:13, skipping insertion in model container [2022-11-25 23:35:13,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:35:13" (3/3) ... [2022-11-25 23:35:13,779 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-11-25 23:35:13,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:35:13,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-11-25 23:35:13,803 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:35:14,155 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-25 23:35:14,229 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:35:14,262 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-25 23:35:14,273 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-25 23:35:14,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-11-25 23:35:15,114 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-11-25 23:35:15,115 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-25 23:35:15,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 1455 events. 109/1455 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10310 event pairs, 0 based on Foata normal form. 0/962 useless extension candidates. Maximal degree in co-relation 760. Up to 16 conditions per place. [2022-11-25 23:35:15,334 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-11-25 23:35:54,266 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 114 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:37:09,912 WARN L233 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:37:17,820 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:38:06,218 WARN L233 SmtUtils]: Spent 45.85s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:38:25,509 WARN L233 SmtUtils]: Spent 19.29s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:39:13,592 WARN L233 SmtUtils]: Spent 48.08s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:39:38,639 WARN L233 SmtUtils]: Spent 25.05s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:40:46,439 WARN L233 SmtUtils]: Spent 56.75s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:41:08,047 WARN L233 SmtUtils]: Spent 21.61s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:41:53,858 WARN L233 SmtUtils]: Spent 45.81s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:11,100 WARN L233 SmtUtils]: Spent 17.24s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:17,221 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:42:26,128 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:43:10,882 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:43:19,391 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:44:16,463 WARN L233 SmtUtils]: Spent 20.45s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:44:40,441 WARN L233 SmtUtils]: Spent 23.98s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:01,127 WARN L233 SmtUtils]: Spent 20.68s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:45:23,949 WARN L233 SmtUtils]: Spent 22.82s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:47:34,090 WARN L233 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 177 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:48:33,070 WARN L233 SmtUtils]: Spent 58.98s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)