./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan --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 64bit --witnessprinter.graph.data.programhash ec540eb033280aec96386278ca5f1480ed4f0ef2 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan --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 64bit --witnessprinter.graph.data.programhash ec540eb033280aec96386278ca5f1480ed4f0ef2 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:41,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:41,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:41,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:41,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:41,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:41,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:41,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:41,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:41,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:41,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:41,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:41,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:41,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:41,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:41,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:41,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:41,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:41,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:41,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:41,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:42,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:42,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:42,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:42,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:42,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:42,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:42,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:42,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:42,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:42,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:42,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:42,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:42,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:42,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:42,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:42,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:42,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:42,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:42,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:42,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:42,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-28 07:41:42,078 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:42,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:42,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:42,081 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:42,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:42,081 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:42,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:41:42,082 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:42,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:42,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:41:42,084 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:41:42,084 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:42,084 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:41:42,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:41:42,085 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:41:42,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:42,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:42,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:42,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:42,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:42,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:42,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:42,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:42,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:42,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:42,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:42,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:42,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:42,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:42,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:42,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:42,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:42,090 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:41:42,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:41:42,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:42,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:42,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:42,096 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-28 07:41:42,096 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-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec540eb033280aec96386278ca5f1480ed4f0ef2 [2020-11-28 07:41:42,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:42,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:42,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:42,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:42,403 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:42,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2020-11-28 07:41:42,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/08e3481c5/2568741324ab4ab183514fadd621ea61/FLAG12e8702a5 [2020-11-28 07:41:43,482 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:43,483 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2020-11-28 07:41:43,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/08e3481c5/2568741324ab4ab183514fadd621ea61/FLAG12e8702a5 [2020-11-28 07:41:43,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/08e3481c5/2568741324ab4ab183514fadd621ea61 [2020-11-28 07:41:43,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:43,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:43,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:43,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:43,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:43,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:43" (1/1) ... [2020-11-28 07:41:43,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137cc01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:43, skipping insertion in model container [2020-11-28 07:41:43,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:43" (1/1) ... [2020-11-28 07:41:43,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:44,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:45,644 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:41:45,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51ddfa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:45, skipping insertion in model container [2020-11-28 07:41:45,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:45,646 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:45,649 INFO L168 Benchmark]: Toolchain (without parser) took 1768.27 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 47.3 MB in the beginning and 79.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:45,651 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:45,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1765.43 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 79.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:45,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1765.43 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 79.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6006]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:47,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:47,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:47,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:47,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:47,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:47,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:47,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:47,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:47,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:47,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:47,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:47,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:47,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:47,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:47,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:47,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:47,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:47,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:47,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:47,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:47,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:47,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:47,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:47,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:47,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:47,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:47,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:47,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:47,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:47,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:47,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:47,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:47,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:47,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:47,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:47,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:47,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:47,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:47,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:47,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:47,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-28 07:41:47,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:47,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:47,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:47,998 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:47,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:47,998 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:47,998 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:47,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:47,999 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:48,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:48,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:48,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:48,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:48,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:48,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:48,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:41:48,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:41:48,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:48,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:48,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:48,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:48,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:41:48,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:48,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:48,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:48,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:48,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:48,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:48,006 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:41:48,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:41:48,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:48,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:48,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:48,007 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-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec540eb033280aec96386278ca5f1480ed4f0ef2 [2020-11-28 07:41:48,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:48,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:48,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:48,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:48,406 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:48,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2020-11-28 07:41:48,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/e6efcc5b2/eda97ff4a1a048bb871d84e7b91e3806/FLAGb2a744455 [2020-11-28 07:41:49,427 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:49,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2020-11-28 07:41:49,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/e6efcc5b2/eda97ff4a1a048bb871d84e7b91e3806/FLAGb2a744455 [2020-11-28 07:41:49,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c170dfe6-79f6-4e4b-b7f4-3b0f93cbde54/bin/utaipan/data/e6efcc5b2/eda97ff4a1a048bb871d84e7b91e3806 [2020-11-28 07:41:49,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:49,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:49,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:49,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:49,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:49,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:49" (1/1) ... [2020-11-28 07:41:49,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bc7d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:49, skipping insertion in model container [2020-11-28 07:41:49,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:49" (1/1) ... [2020-11-28 07:41:49,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:50,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:51,432 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:41:51,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a3fcc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:51, skipping insertion in model container [2020-11-28 07:41:51,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:51,433 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:51,435 INFO L168 Benchmark]: Toolchain (without parser) took 1519.39 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 33.7 MB in the beginning and 40.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:51,436 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:51,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1517.30 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 33.4 MB in the beginning and 40.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:51,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 48.2 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1517.30 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 33.4 MB in the beginning and 40.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6006]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...