./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1c200a734b0ce6e10bb9d48f6f19b9f5f9bbc98 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:53:54,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:53:54,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:53:54,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:53:54,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:53:54,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:53:54,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:53:54,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:53:54,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:53:54,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:53:54,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:53:54,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:53:54,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:53:54,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:53:54,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:53:54,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:53:54,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:53:54,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:53:54,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:53:54,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:53:55,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:53:55,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:53:55,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:53:55,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:53:55,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:53:55,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:53:55,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:53:55,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:53:55,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:53:55,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:53:55,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:53:55,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:53:55,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:53:55,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:53:55,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:53:55,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:53:55,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:53:55,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:53:55,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:53:55,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:53:55,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:53:55,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 21:53:55,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:53:55,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:53:55,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:53:55,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:53:55,085 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:53:55,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:53:55,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:53:55,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:53:55,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:53:55,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:53:55,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:53:55,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:53:55,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:53:55,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:53:55,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:53:55,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:53:55,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:53:55,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:53:55,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:53:55,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:53:55,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:53:55,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:53:55,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:53:55,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:53:55,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:53:55,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:53:55,100 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(__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 -> b1c200a734b0ce6e10bb9d48f6f19b9f5f9bbc98 [2019-11-16 21:53:55,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:53:55,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:53:55,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:53:55,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:53:55,645 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:53:55,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2019-11-16 21:53:55,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef68d5e57/0003299dc9cd42c1a817afca5539f66c/FLAGf3b6abc73 [2019-11-16 21:53:58,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:53:58,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2019-11-16 21:53:58,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef68d5e57/0003299dc9cd42c1a817afca5539f66c/FLAGf3b6abc73 [2019-11-16 21:53:58,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef68d5e57/0003299dc9cd42c1a817afca5539f66c [2019-11-16 21:53:58,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:53:58,572 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:53:58,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:53:58,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:53:58,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:53:58,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:53:58" (1/1) ... [2019-11-16 21:53:58,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20166f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:58, skipping insertion in model container [2019-11-16 21:53:58,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:53:58" (1/1) ... [2019-11-16 21:53:58,618 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:53:59,350 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:54:00,883 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3959] [2019-11-16 21:54:08,081 ERROR L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-11-16 21:54:08,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ec028e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:08, skipping insertion in model container [2019-11-16 21:54:08,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:54:08,084 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-16 21:54:08,099 INFO L168 Benchmark]: Toolchain (without parser) took 9516.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.2 MB in the beginning and 877.5 MB in the end (delta: 49.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:54:08,100 INFO L168 Benchmark]: CDTParser took 1.84 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:54:08,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9508.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.2 MB in the beginning and 877.5 MB in the end (delta: 49.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:54:08,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 9508.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.2 MB in the beginning and 877.5 MB in the end (delta: 49.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9837]: 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...