./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.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_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6d30df66b2fe2218df31f96349e1c7548e8362b ............................................................................................................................... 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_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6d30df66b2fe2218df31f96349e1c7548e8362b ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:55:38,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:55:38,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:55:38,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:55:38,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:55:38,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:55:38,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:55:38,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:55:38,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:55:38,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:55:38,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:55:38,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:55:38,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:55:38,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:55:38,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:55:38,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:55:38,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:55:38,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:55:38,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:55:38,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:55:38,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:55:38,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:55:38,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:55:38,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:55:38,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:55:38,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:55:38,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:55:38,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:55:38,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:55:38,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:55:38,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:55:38,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:55:38,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:55:38,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:55:38,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:55:38,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:55:38,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:55:38,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:55:38,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:55:38,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:55:38,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:55:38,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-30 00:55:38,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:55:38,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:55:38,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:55:38,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:55:38,927 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:55:38,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:55:38,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:55:38,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:55:38,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:55:38,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:55:38,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:55:38,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:55:38,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:55:38,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:55:38,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:55:38,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:55:38,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:55:38,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:55:38,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:55:38,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:55:38,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:55:38,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:55:38,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:55:38,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:55:38,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:55:38,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:55:38,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:55:38,935 INFO L138 SettingsManager]: * To the following directory=dump/ 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_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-30 00:55:39,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:55:39,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:55:39,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:55:39,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:55:39,306 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:55:39,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-30 00:55:39,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/072f417ac/9601ba5480574761aa2711fb7d9c5f31/FLAG2eccefbd8 [2020-11-30 00:55:40,705 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:55:40,706 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-30 00:55:40,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/072f417ac/9601ba5480574761aa2711fb7d9c5f31/FLAG2eccefbd8 [2020-11-30 00:55:40,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/072f417ac/9601ba5480574761aa2711fb7d9c5f31 [2020-11-30 00:55:40,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:55:40,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:55:40,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:40,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:55:40,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:55:40,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:40" (1/1) ... [2020-11-30 00:55:40,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742e7f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:40, skipping insertion in model container [2020-11-30 00:55:40,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:40" (1/1) ... [2020-11-30 00:55:40,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:55:41,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:55:41,817 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-30 00:55:43,148 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 00:55:43,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@568aff7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:43, skipping insertion in model container [2020-11-30 00:55:43,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:43,150 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:55:43,154 INFO L168 Benchmark]: Toolchain (without parser) took 2215.95 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 67.2 MB in the beginning and 71.6 MB in the end (delta: -4.4 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:55:43,155 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 68.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:55:43,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2213.07 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 67.2 MB in the beginning and 72.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:55:43,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 68.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2213.07 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 67.2 MB in the beginning and 72.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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 [2020-11-30 00:55:45,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:55:45,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:55:46,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:55:46,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:55:46,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:55:46,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:55:46,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:55:46,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:55:46,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:55:46,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:55:46,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:55:46,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:55:46,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:55:46,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:55:46,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:55:46,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:55:46,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:55:46,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:55:46,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:55:46,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:55:46,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:55:46,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:55:46,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:55:46,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:55:46,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:55:46,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:55:46,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:55:46,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:55:46,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:55:46,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:55:46,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:55:46,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:55:46,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:55:46,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:55:46,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:55:46,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:55:46,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:55:46,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:55:46,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:55:46,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:55:46,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-30 00:55:46,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:55:46,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:55:46,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:55:46,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:55:46,176 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:55:46,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:55:46,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:55:46,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:55:46,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:55:46,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:55:46,179 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:55:46,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:55:46,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:55:46,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:55:46,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:55:46,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:55:46,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:55:46,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:55:46,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:55:46,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:55:46,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:55:46,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:55:46,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:55:46,183 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:55:46,183 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:55:46,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:55:46,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:55:46,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:55:46,184 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-30 00:55:46,185 INFO L138 SettingsManager]: * To the following directory=dump/ 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_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-30 00:55:46,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:55:46,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:55:46,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:55:46,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:55:46,749 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:55:46,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-30 00:55:46,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/8220fc363/df4f9cf8b8a34ee4a7c644cc31e3ba66/FLAG34b583158 [2020-11-30 00:55:48,015 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:55:48,017 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-30 00:55:48,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/8220fc363/df4f9cf8b8a34ee4a7c644cc31e3ba66/FLAG34b583158 [2020-11-30 00:55:48,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9cfe8c64-c160-4d75-86df-6cf0c4f55e1a/bin/uautomizer/data/8220fc363/df4f9cf8b8a34ee4a7c644cc31e3ba66 [2020-11-30 00:55:48,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:55:48,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:55:48,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:48,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:55:48,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:55:48,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:48" (1/1) ... [2020-11-30 00:55:48,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a6df3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:48, skipping insertion in model container [2020-11-30 00:55:48,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:48" (1/1) ... [2020-11-30 00:55:48,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:55:48,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:55:49,262 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-30 00:55:50,415 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 00:55:50,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d11059e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:50, skipping insertion in model container [2020-11-30 00:55:50,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:50,417 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:55:50,421 INFO L168 Benchmark]: Toolchain (without parser) took 2052.33 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 25.1 MB in the beginning and 39.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:55:50,422 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:55:50,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2048.75 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 24.8 MB in the beginning and 39.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:55:50,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2048.75 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 24.8 MB in the beginning and 39.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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...