./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:26:29,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:26:29,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:26:29,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:26:29,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:26:29,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:26:29,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:26:29,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:26:29,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:26:29,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:26:29,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:26:29,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:26:29,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:26:29,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:26:29,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:26:29,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:26:29,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:26:29,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:26:29,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:26:29,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:26:29,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:26:29,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:26:29,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:26:29,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:26:29,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:26:29,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:26:29,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:26:29,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:26:29,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:26:29,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:26:29,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:26:29,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:26:29,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:26:29,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:26:29,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:26:29,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:26:29,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:26:29,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:26:29,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:26:29,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:26:29,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:26:29,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-20 21:26:29,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:26:29,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:26:29,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:26:29,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:26:29,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:26:29,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:26:29,864 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:26:29,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:26:29,864 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:26:29,864 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:26:29,865 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:26:29,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:26:29,866 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:26:29,866 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:26:29,866 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:26:29,867 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:26:29,867 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:26:29,867 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:26:29,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 21:26:29,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 21:26:29,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:26:29,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:26:29,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:26:29,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:26:29,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:26:29,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:26:29,871 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 21:26:29,871 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 21:26:29,871 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 21:26:29,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:26:29,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:26:29,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:26:29,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:26:29,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:26:29,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:26:29,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:26:29,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:26:29,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:26:29,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:26:29,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:26:29,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:26:29,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:26:29,874 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-20 21:26:30,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:26:30,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:26:30,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:26:30,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:26:30,260 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:26:30,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 21:26:33,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:26:33,785 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:26:33,787 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 21:26:33,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/fa3a0cbbc/ce19f64177d0488e86a248ef015a3e31/FLAG820abf188 [2022-11-20 21:26:33,840 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/fa3a0cbbc/ce19f64177d0488e86a248ef015a3e31 [2022-11-20 21:26:33,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:26:33,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:26:33,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:33,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:26:33,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:26:33,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:33" (1/1) ... [2022-11-20 21:26:33,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e71bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:33, skipping insertion in model container [2022-11-20 21:26:33,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:33" (1/1) ... [2022-11-20 21:26:33,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:26:33,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:26:34,779 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 21:26:34,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:26:34,821 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) [2022-11-20 21:26:34,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74d7840a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:34, skipping insertion in model container [2022-11-20 21:26:34,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:34,822 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 21:26:34,825 INFO L158 Benchmark]: Toolchain (without parser) took 974.46ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 86.5MB in the end (delta: 524.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 21:26:34,825 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:26:34,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.00ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 87.1MB in the end (delta: -83.3kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 21:26:34,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.00ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 87.1MB in the end (delta: -83.3kB). Peak memory consumption was 12.6MB. 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:26:37,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:26:37,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:26:37,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:26:37,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:26:37,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:26:37,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:26:37,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:26:37,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:26:37,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:26:37,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:26:37,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:26:37,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:26:37,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:26:37,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:26:37,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:26:37,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:26:37,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:26:37,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:26:37,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:26:37,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:26:37,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:26:37,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:26:37,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:26:37,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:26:37,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:26:37,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:26:37,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:26:37,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:26:37,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:26:37,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:26:37,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:26:37,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:26:37,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:26:37,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:26:37,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:26:37,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:26:37,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:26:37,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:26:37,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:26:37,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:26:37,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-20 21:26:37,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:26:37,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:26:37,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:26:37,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:26:37,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:26:37,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:26:37,699 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:26:37,699 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:26:37,699 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:26:37,699 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:26:37,701 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:26:37,701 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:26:37,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 21:26:37,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 21:26:37,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:26:37,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:26:37,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:26:37,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:26:37,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:26:37,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:26:37,704 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 21:26:37,704 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 21:26:37,704 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 21:26:37,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:26:37,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:26:37,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:26:37,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:26:37,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:26:37,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:26:37,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:26:37,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:26:37,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:26:37,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:26:37,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:26:37,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:26:37,725 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:26:37,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:26:37,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:26:37,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:26:37,726 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-20 21:26:38,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:26:38,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:26:38,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:26:38,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:26:38,210 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:26:38,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 21:26:41,652 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:26:42,143 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:26:42,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 21:26:42,168 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/91f650271/b67ec703ab684c3686440e89c40d0e7f/FLAG8431f87bb [2022-11-20 21:26:42,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/data/91f650271/b67ec703ab684c3686440e89c40d0e7f [2022-11-20 21:26:42,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:26:42,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:26:42,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:42,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:26:42,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:26:42,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:42" (1/1) ... [2022-11-20 21:26:42,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2529038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:42, skipping insertion in model container [2022-11-20 21:26:42,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:42" (1/1) ... [2022-11-20 21:26:42,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:26:42,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:26:43,419 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 21:26:43,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:26:43,479 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 21:26:43,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:26:43,578 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 21:26:43,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:26:43,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:26:43,666 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_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 21:26:43,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:26:43,884 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:26:43,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43 WrapperNode [2022-11-20 21:26:43,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:43,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:26:43,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:26:43,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:26:43,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:43,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,070 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-11-20 21:26:44,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:26:44,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:26:44,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:26:44,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:26:44,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:26:44,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:26:44,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:26:44,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:26:44,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (1/1) ... [2022-11-20 21:26:44,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:26:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:26:44,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:26:44,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc58f2b4-e4ec-43fb-9443-b6d3da58953d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:26:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-11-20 21:26:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-11-20 21:26:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:26:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 21:26:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 21:26:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:26:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-20 21:26:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:26:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:26:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:26:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:26:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 21:26:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:26:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:26:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-11-20 21:26:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-11-20 21:26:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 21:26:44,284 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:26:44,656 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:26:44,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:26:47,123 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:26:47,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:26:47,142 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-20 21:26:47,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:26:47 BoogieIcfgContainer [2022-11-20 21:26:47,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:26:47,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:26:47,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:26:47,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:26:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:26:42" (1/3) ... [2022-11-20 21:26:47,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc4413a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:26:47, skipping insertion in model container [2022-11-20 21:26:47,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:43" (2/3) ... [2022-11-20 21:26:47,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc4413a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:26:47, skipping insertion in model container [2022-11-20 21:26:47,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:26:47" (3/3) ... [2022-11-20 21:26:47,172 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-11-20 21:26:47,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:26:47,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-11-20 21:26:47,199 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:26:47,536 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 21:26:47,606 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:26:47,629 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-20 21:26:47,634 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-20 21:26:47,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-11-20 21:26:48,483 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-11-20 21:26:48,484 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-20 21:26:48,535 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. [2022-11-20 21:26:48,696 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-11-20 21:27:27,068 WARN L233 SmtUtils]: Spent 5.61s 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) [2022-11-20 21:28:17,956 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 109 DAG size of output: 106 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:28:25,867 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 109 DAG size of output: 106 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:28:49,123 WARN L233 SmtUtils]: Spent 6.58s 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) [2022-11-20 21:28:58,143 WARN L233 SmtUtils]: Spent 6.84s 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) [2022-11-20 21:29:52,488 WARN L233 SmtUtils]: Spent 52.05s 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) [2022-11-20 21:30:16,273 WARN L233 SmtUtils]: Spent 23.78s 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) [2022-11-20 21:31:04,315 WARN L233 SmtUtils]: Spent 48.04s 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) [2022-11-20 21:31:23,348 WARN L233 SmtUtils]: Spent 19.03s 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) [2022-11-20 21:32:28,792 WARN L233 SmtUtils]: Spent 52.70s 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) [2022-11-20 21:32:47,535 WARN L233 SmtUtils]: Spent 18.74s 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) [2022-11-20 21:33:37,422 WARN L233 SmtUtils]: Spent 49.89s 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) [2022-11-20 21:33:58,765 WARN L233 SmtUtils]: Spent 21.34s 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) [2022-11-20 21:34:05,216 WARN L233 SmtUtils]: Spent 6.44s 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) [2022-11-20 21:34:13,590 WARN L233 SmtUtils]: Spent 6.17s 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) [2022-11-20 21:35:05,849 WARN L233 SmtUtils]: Spent 7.39s 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) [2022-11-20 21:35:14,787 WARN L233 SmtUtils]: Spent 6.24s 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) [2022-11-20 21:36:22,940 WARN L233 SmtUtils]: Spent 23.65s 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) [2022-11-20 21:36:46,135 WARN L233 SmtUtils]: Spent 23.19s 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) [2022-11-20 21:37:13,723 WARN L233 SmtUtils]: Spent 27.59s 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) [2022-11-20 21:37:41,562 WARN L233 SmtUtils]: Spent 27.84s 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) [2022-11-20 21:39:55,196 WARN L233 SmtUtils]: Spent 2.16m 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) [2022-11-20 21:40:55,061 WARN L233 SmtUtils]: Spent 59.86s 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)