./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-9a8b2e8 [2020-10-20 04:07:01,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:07:01,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:07:01,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:07:01,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:07:01,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:07:01,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:07:01,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:07:01,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:07:01,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:07:01,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:07:01,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:07:01,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:07:01,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:07:01,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:07:01,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:07:01,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:07:01,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:07:01,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:07:01,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:07:01,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:07:01,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:07:01,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:07:01,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:07:01,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:07:01,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:07:01,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:07:01,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:07:01,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:07:01,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:07:01,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:07:01,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:07:01,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:07:01,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:07:01,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:07:01,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:07:01,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:07:01,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:07:01,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:07:01,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:07:01,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:07:01,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-20 04:07:01,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:07:01,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:07:01,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:07:01,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:07:01,373 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:07:01,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:07:01,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 04:07:01,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:07:01,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:07:01,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:07:01,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:07:01,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:07:01,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:07:01,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:07:01,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:07:01,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:07:01,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:07:01,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:07:01,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:07:01,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:07:01,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:07:01,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:07:01,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 04:07:01,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 04:07:01,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:07:01,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:07:01,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:07:01,378 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-10-20 04:07:01,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:07:01,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:07:01,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:07:01,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:07:01,603 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:07:01,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-20 04:07:01,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0d6d517/fe2990eb44ab41de80e9fcaf8d7b2309/FLAGa1a768820 [2020-10-20 04:07:02,546 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:07:02,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-20 04:07:02,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0d6d517/fe2990eb44ab41de80e9fcaf8d7b2309/FLAGa1a768820 [2020-10-20 04:07:03,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0d6d517/fe2990eb44ab41de80e9fcaf8d7b2309 [2020-10-20 04:07:03,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:07:03,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:07:03,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:07:03,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:07:03,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:07:03,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:07:03" (1/1) ... [2020-10-20 04:07:03,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3209b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:07:03, skipping insertion in model container [2020-10-20 04:07:03,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:07:03" (1/1) ... [2020-10-20 04:07:03,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:07:03,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:07:03,869 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-10-20 04:07:05,349 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-20 04:07:05,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bbad482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:07:05, skipping insertion in model container [2020-10-20 04:07:05,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:07:05,350 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 04:07:05,355 INFO L168 Benchmark]: Toolchain (without parser) took 2224.27 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 25.9 MB in the beginning and 8.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 14.3 GB. [2020-10-20 04:07:05,356 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 9.4 MB in the beginning and 9.4 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. [2020-10-20 04:07:05,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2214.79 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 24.9 MB in the beginning and 8.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 GB. [2020-10-20 04:07:05,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 9.4 MB in the beginning and 9.4 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2214.79 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 24.9 MB in the beginning and 8.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 04:07:07,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:07:07,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:07:07,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:07:07,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:07:07,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:07:07,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:07:07,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:07:07,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:07:07,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:07:07,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:07:07,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:07:07,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:07:07,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:07:07,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:07:07,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:07:07,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:07:07,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:07:07,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:07:07,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:07:07,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:07:07,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:07:07,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:07:07,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:07:07,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:07:07,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:07:07,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:07:07,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:07:07,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:07:07,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:07:07,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:07:07,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:07:07,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:07:07,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:07:07,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:07:07,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:07:07,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:07:07,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:07:07,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:07:07,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:07:07,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:07:07,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-20 04:07:07,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:07:07,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:07:07,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:07:07,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:07:07,522 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:07:07,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:07:07,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:07:07,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:07:07,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:07:07,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:07:07,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 04:07:07,524 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 04:07:07,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:07:07,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:07:07,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:07:07,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:07:07,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:07:07,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:07:07,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:07:07,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:07:07,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:07:07,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:07:07,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:07:07,527 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 04:07:07,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 04:07:07,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:07:07,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:07:07,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:07:07,528 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-20 04:07:07,528 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-10-20 04:07:07,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:07:07,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:07:07,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:07:07,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:07:07,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:07:07,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2020-10-20 04:07:07,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f5f3351/3fa23013e3ee4e678b6861e1964d5480/FLAG8ee60f4ca [2020-10-20 04:07:08,686 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:07:08,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2020-10-20 04:07:08,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f5f3351/3fa23013e3ee4e678b6861e1964d5480/FLAG8ee60f4ca [2020-10-20 04:07:09,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f5f3351/3fa23013e3ee4e678b6861e1964d5480 [2020-10-20 04:07:09,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:07:09,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:07:09,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:07:09,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:07:09,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:07:09,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:07:09" (1/1) ... [2020-10-20 04:07:09,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c23397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:07:09, skipping insertion in model container [2020-10-20 04:07:09,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:07:09" (1/1) ... [2020-10-20 04:07:09,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:07:09,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:07:09,931 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-10-20 04:07:11,286 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-20 04:07:11,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f25650b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:07:11, skipping insertion in model container [2020-10-20 04:07:11,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:07:11,288 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 04:07:11,291 INFO L168 Benchmark]: Toolchain (without parser) took 2137.33 ms. Allocated memory was 39.3 MB in the beginning and 54.5 MB in the end (delta: 15.2 MB). Free memory was 14.8 MB in the beginning and 9.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-20 04:07:11,292 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 36.7 MB. Free memory is still 15.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 04:07:11,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2127.76 ms. Allocated memory was 39.3 MB in the beginning and 54.5 MB in the end (delta: 15.2 MB). Free memory was 14.0 MB in the beginning and 9.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 14.3 GB. [2020-10-20 04:07:11,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 36.7 MB. Free memory is still 15.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2127.76 ms. Allocated memory was 39.3 MB in the beginning and 54.5 MB in the end (delta: 15.2 MB). Free memory was 14.0 MB in the beginning and 9.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 14.3 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...