./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.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 be9dd24480ef2787b87ab723a6e0441a43512ed8 .................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 04:16:28,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 04:16:28,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 04:16:28,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 04:16:28,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 04:16:28,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 04:16:28,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 04:16:28,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 04:16:28,147 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 04:16:28,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 04:16:28,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 04:16:28,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 04:16:28,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 04:16:28,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 04:16:28,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 04:16:28,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 04:16:28,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 04:16:28,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 04:16:28,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 04:16:28,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 04:16:28,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 04:16:28,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 04:16:28,170 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 04:16:28,173 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 04:16:28,173 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 04:16:28,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 04:16:28,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 04:16:28,179 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 04:16:28,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 04:16:28,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 04:16:28,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 04:16:28,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 04:16:28,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 04:16:28,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 04:16:28,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 04:16:28,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 04:16:28,188 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-01-01 04:16:28,211 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 04:16:28,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 04:16:28,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 04:16:28,213 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 04:16:28,213 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 04:16:28,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 04:16:28,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 04:16:28,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 04:16:28,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 04:16:28,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 04:16:28,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 04:16:28,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 04:16:28,214 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 04:16:28,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 04:16:28,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 04:16:28,215 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 04:16:28,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 04:16:28,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 04:16:28,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 04:16:28,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 04:16:28,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-01 04:16:28,217 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> be9dd24480ef2787b87ab723a6e0441a43512ed8 [2019-01-01 04:16:28,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 04:16:28,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 04:16:28,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 04:16:28,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 04:16:28,287 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 04:16:28,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.cil.out.i [2019-01-01 04:16:28,344 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad7ad001/63e7281ba2944c9bb119f213c0bac6d5/FLAGc40762c02 [2019-01-01 04:16:29,188 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 04:16:29,191 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.cil.out.i [2019-01-01 04:16:29,250 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad7ad001/63e7281ba2944c9bb119f213c0bac6d5/FLAGc40762c02 [2019-01-01 04:16:29,658 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad7ad001/63e7281ba2944c9bb119f213c0bac6d5 [2019-01-01 04:16:29,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 04:16:29,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 04:16:29,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 04:16:29,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 04:16:29,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 04:16:29,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:16:29" (1/1) ... [2019-01-01 04:16:29,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf76c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:16:29, skipping insertion in model container [2019-01-01 04:16:29,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:16:29" (1/1) ... [2019-01-01 04:16:29,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 04:16:29,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 04:16:30,474 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4405] [2019-01-01 04:16:31,744 ERROR L311 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-01-01 04:16:31,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e9ae79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:16:31, skipping insertion in model container [2019-01-01 04:16:31,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 04:16:31,747 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-01-01 04:16:31,748 INFO L168 Benchmark]: Toolchain (without parser) took 2082.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2019-01-01 04:16:31,752 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 04:16:31,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2079.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2019-01-01 04:16:31,757 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2079.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6442]: 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...