./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko_false-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko_false-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78e1663633a9193b8a662b36a07c952cdcde6984 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:25:24,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:25:24,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:25:24,848 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:25:24,848 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:25:24,849 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:25:24,850 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:25:24,852 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:25:24,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:25:24,854 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:25:24,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:25:24,855 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:25:24,856 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:25:24,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:25:24,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:25:24,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:25:24,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:25:24,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:25:24,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:25:24,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:25:24,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:25:24,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:25:24,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:25:24,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:25:24,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:25:24,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:25:24,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:25:24,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:25:24,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:25:24,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:25:24,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:25:24,873 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:25:24,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:25:24,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:25:24,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:25:24,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:25:24,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-27 00:25:24,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:25:24,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:25:24,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:25:24,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:25:24,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:25:24,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:25:24,889 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:25:24,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:25:24,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:25:24,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:25:24,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:25:24,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:25:24,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:25:24,890 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:25:24,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:25:24,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:25:24,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:25:24,893 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:25:24,893 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:25:24,893 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:25:24,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:25:24,894 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:25:24,894 INFO L133 SettingsManager]: * To the following directory=dump/ 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/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 78e1663633a9193b8a662b36a07c952cdcde6984 [2018-10-27 00:25:24,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:25:24,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:25:24,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:25:24,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:25:24,938 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:25:24,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko_false-unreach-call.cil.c [2018-10-27 00:25:24,991 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/data/537ce1d37/5b4294f7f02543a78bd1edf15450a496/FLAG713903bd1 [2018-10-27 00:25:25,710 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:25:25,714 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko_false-unreach-call.cil.c [2018-10-27 00:25:25,775 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/data/537ce1d37/5b4294f7f02543a78bd1edf15450a496/FLAG713903bd1 [2018-10-27 00:25:25,788 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26d1c49e-a455-4a4a-a068-852ad99c0720/bin-2019/uautomizer/data/537ce1d37/5b4294f7f02543a78bd1edf15450a496 [2018-10-27 00:25:25,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:25:25,794 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:25:25,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:25:25,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:25:25,798 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:25:25,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:25:25" (1/1) ... [2018-10-27 00:25:25,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271006fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:25:25, skipping insertion in model container [2018-10-27 00:25:25,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:25:25" (1/1) ... [2018-10-27 00:25:25,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:25:25,947 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:25:29,022 WARN L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-10-27 00:25:29,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ddbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:25:29, skipping insertion in model container [2018-10-27 00:25:29,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:25:29,024 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-27 00:25:29,025 INFO L168 Benchmark]: Toolchain (without parser) took 3231.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Free memory was 941.4 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:25:29,028 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:25:29,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3229.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Free memory was 941.4 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:25:29,032 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3229.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Free memory was 941.4 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7839]: 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...