./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:45:51,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:45:51,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:45:51,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:45:51,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:45:51,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:45:51,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:45:51,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:45:51,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:45:51,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:45:51,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:45:51,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:45:51,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:45:51,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:45:51,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:45:51,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:45:51,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:45:51,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:45:51,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:45:51,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:45:51,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:45:51,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:45:51,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:45:51,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:45:51,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:45:51,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:45:51,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:45:51,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:45:51,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:45:51,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:45:51,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:45:51,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:45:51,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:45:51,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:45:51,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:45:51,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:45:51,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:45:51,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:45:51,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:45:51,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:45:51,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:45:51,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:45:51,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:45:51,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:45:51,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:45:51,959 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:45:51,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:45:51,960 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:45:51,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:45:51,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:45:51,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:45:51,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:45:51,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:45:51,971 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:45:51,971 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:45:51,971 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:45:51,972 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:45:51,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:45:51,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:45:51,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:45:51,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:45:51,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:45:51,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:45:51,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:45:51,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:45:51,975 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:45:51,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:45:51,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:45:51,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:45:51,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:45:51,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:45:51,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:45:51,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:45:51,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:45:51,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:45:51,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:45:51,980 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:45:51,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:45:51,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:45:51,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:45:51,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:45:51,982 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-29 05:45:52,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:45:52,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:45:52,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:45:52,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:45:52,317 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:45:52,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-29 05:45:52,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/4b27dcfbf/235b2702cca847788568fdaa0f27927c/FLAGa47caa403 [2021-10-29 05:45:53,539 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:45:53,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-29 05:45:53,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/4b27dcfbf/235b2702cca847788568fdaa0f27927c/FLAGa47caa403 [2021-10-29 05:45:53,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/4b27dcfbf/235b2702cca847788568fdaa0f27927c [2021-10-29 05:45:53,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:45:53,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:45:53,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:45:53,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:45:53,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:45:53,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:53" (1/1) ... [2021-10-29 05:45:53,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b79717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:53, skipping insertion in model container [2021-10-29 05:45:53,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:53" (1/1) ... [2021-10-29 05:45:53,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:45:54,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:45:54,601 WARN L228 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_520e3183-57d0-493f-b0f9-2d7f6d302e0f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-29 05:45:59,726 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:45:59,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ca8470a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:59, skipping insertion in model container [2021-10-29 05:45:59,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:45:59,728 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:45:59,731 INFO L168 Benchmark]: Toolchain (without parser) took 5828.19 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 64.9 MB in the beginning and 71.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:59,732 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 107.0 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:45:59,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5820.11 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 64.9 MB in the beginning and 71.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:59,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 107.0 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5820.11 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 64.9 MB in the beginning and 71.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:46:02,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:46:02,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:46:02,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:46:02,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:46:02,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:46:02,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:46:02,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:46:02,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:46:02,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:46:02,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:46:02,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:46:02,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:46:02,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:46:02,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:46:02,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:46:02,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:46:02,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:46:02,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:46:02,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:46:02,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:46:02,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:46:02,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:46:02,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:46:02,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:46:02,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:46:02,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:46:02,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:46:02,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:46:02,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:46:02,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:46:02,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:46:02,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:46:02,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:46:02,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:46:02,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:46:02,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:46:02,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:46:02,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:46:02,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:46:02,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:46:02,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:46:02,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:46:02,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:46:02,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:46:02,792 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:46:02,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:46:02,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:46:02,793 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:46:02,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:46:02,793 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:46:02,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:46:02,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:46:02,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:46:02,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:46:02,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:46:02,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:46:02,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:46:02,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:46:02,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:46:02,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:46:02,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:46:02,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:46:02,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:46:02,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:46:02,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:46:02,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:46:02,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:46:02,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:46:02,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:46:02,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:46:02,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:46:02,801 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:46:02,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:46:02,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:46:02,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:46:02,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:46:02,803 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_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-29 05:46:03,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:46:03,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:46:03,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:46:03,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:46:03,296 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:46:03,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-29 05:46:03,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/837507217/63db25b809ca401797aafd66926b3ddb/FLAG28d9b159c [2021-10-29 05:46:04,587 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:46:04,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-29 05:46:04,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/837507217/63db25b809ca401797aafd66926b3ddb/FLAG28d9b159c [2021-10-29 05:46:04,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3183-57d0-493f-b0f9-2d7f6d302e0f/bin/utaipan-SDwSMHVbGG/data/837507217/63db25b809ca401797aafd66926b3ddb [2021-10-29 05:46:04,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:46:04,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:46:04,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:04,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:46:04,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:46:04,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:04" (1/1) ... [2021-10-29 05:46:04,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787f33d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:04, skipping insertion in model container [2021-10-29 05:46:04,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:04" (1/1) ... [2021-10-29 05:46:04,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:46:05,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:46:05,707 WARN L228 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_520e3183-57d0-493f-b0f9-2d7f6d302e0f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-29 05:46:10,339 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:46:10,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b60f679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:10, skipping insertion in model container [2021-10-29 05:46:10,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:10,344 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:46:10,348 INFO L168 Benchmark]: Toolchain (without parser) took 5399.43 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 33.2 MB in the beginning and 42.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:10,350 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:46:10,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5393.19 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 33.1 MB in the beginning and 42.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:10,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5393.19 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 33.1 MB in the beginning and 42.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...