./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.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_false-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/config/TaipanReach.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_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a438b67a1ad5eb3b33ee47bf07e39a2a36c1de83 ........................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:26:35,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:26:35,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:26:35,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:26:35,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:26:35,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:26:35,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:26:35,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:26:35,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:26:35,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:26:35,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:26:35,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:26:35,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:26:35,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:26:35,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:26:35,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:26:35,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:26:35,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:26:35,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:26:35,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:26:35,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:26:35,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:26:35,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:26:35,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:26:35,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:26:35,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:26:35,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:26:35,093 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:26:35,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:26:35,094 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:26:35,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:26:35,095 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:26:35,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:26:35,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:26:35,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:26:35,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:26:35,097 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 09:26:35,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:26:35,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:26:35,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:26:35,105 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:26:35,105 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:26:35,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:26:35,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:26:35,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:26:35,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:26:35,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:26:35,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:26:35,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:26:35,109 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:26:35,109 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 09:26:35,109 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan 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 -> Taipan 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 -> a438b67a1ad5eb3b33ee47bf07e39a2a36c1de83 [2018-11-18 09:26:35,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:26:35,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:26:35,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:26:35,145 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:26:35,145 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:26:35,145 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 09:26:35,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/data/296c8ed5d/2c5bfd887eb64a5db9028c8a584013c1/FLAGc4ea1df29 [2018-11-18 09:26:35,784 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:26:35,784 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 09:26:35,810 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/data/296c8ed5d/2c5bfd887eb64a5db9028c8a584013c1/FLAGc4ea1df29 [2018-11-18 09:26:36,164 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37b74101-dc31-4b97-8379-cf894d96642e/bin-2019/utaipan/data/296c8ed5d/2c5bfd887eb64a5db9028c8a584013c1 [2018-11-18 09:26:36,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:26:36,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:26:36,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:26:36,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:26:36,170 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:26:36,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:36" (1/1) ... [2018-11-18 09:26:36,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220cf3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:36, skipping insertion in model container [2018-11-18 09:26:36,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:36" (1/1) ... [2018-11-18 09:26:36,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:26:36,255 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:26:36,551 WARN L1122 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4410] [2018-11-18 09:26:37,693 ERROR L311 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-11-18 09:26:37,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5598e27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37, skipping insertion in model container [2018-11-18 09:26:37,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:26:37,694 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 09:26:37,695 INFO L168 Benchmark]: Toolchain (without parser) took 1528.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:26:37,697 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:26:37,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1526.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:26:37,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1526.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6635]: 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...