./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.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-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.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 943b6cde2d206402d2d7d19e7c2856ad6f226d7f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:14:24,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:14:24,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:14:24,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:14:24,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:14:24,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:14:24,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:14:24,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:14:24,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:14:24,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:14:24,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:14:24,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:14:24,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:14:24,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:14:24,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:14:24,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:14:24,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:14:24,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:14:24,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:14:24,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:14:24,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:14:24,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:14:24,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:14:24,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:14:24,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:14:24,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:14:24,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:14:24,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:14:24,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:14:24,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:14:24,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:14:24,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:14:24,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:14:24,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:14:24,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:14:24,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:14:24,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:14:24,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:14:24,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:14:24,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:14:24,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:14:24,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 22:14:24,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:14:24,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:14:24,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:14:24,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:14:24,196 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:14:24,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:14:24,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:14:24,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:14:24,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:14:24,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:14:24,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:14:24,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:14:24,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:14:24,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:14:24,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:14:24,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:14:24,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:14:24,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:14:24,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:14:24,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:14:24,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:14:24,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:14:24,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:14:24,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:14:24,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:14:24,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 22:14:24,205 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 -> 943b6cde2d206402d2d7d19e7c2856ad6f226d7f [2019-11-16 22:14:24,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:14:24,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:14:24,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:14:24,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:14:24,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:14:24,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2019-11-16 22:14:24,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773dcf76f/714dcfcd3f9e4009982a21136779ad9b/FLAG5be376185 [2019-11-16 22:14:26,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:14:26,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2019-11-16 22:14:26,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773dcf76f/714dcfcd3f9e4009982a21136779ad9b/FLAG5be376185 [2019-11-16 22:14:26,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773dcf76f/714dcfcd3f9e4009982a21136779ad9b [2019-11-16 22:14:26,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:14:26,894 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:14:26,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:14:26,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:14:26,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:14:26,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:14:26" (1/1) ... [2019-11-16 22:14:26,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6975bc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:14:26, skipping insertion in model container [2019-11-16 22:14:26,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:14:26" (1/1) ... [2019-11-16 22:14:26,926 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:14:27,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:14:31,964 ERROR L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-11-16 22:14:31,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@271b8cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:14:31, skipping insertion in model container [2019-11-16 22:14:31,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:14:31,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-16 22:14:31,976 INFO L168 Benchmark]: Toolchain (without parser) took 5077.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 886.9 MB in the end (delta: 51.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:31,977 INFO L168 Benchmark]: CDTParser took 0.62 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 22:14:31,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5068.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 886.9 MB in the end (delta: 51.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:31,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 5068.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 886.9 MB in the end (delta: 51.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11210]: 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...