./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--uvc--uvcvideo.ko_false-unreach-call.cil.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_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--uvc--uvcvideo.ko_false-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/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 d5d9b53ce845accbd1fa22845693a356dd112eec .................................................................................................................................... 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 15:13:19,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:13:19,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:13:19,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:13:19,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:13:19,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:13:19,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:13:19,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:13:19,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:13:19,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:13:19,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:13:19,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:13:19,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:13:19,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:13:19,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:13:19,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:13:19,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:13:19,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:13:19,103 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:13:19,104 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:13:19,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:13:19,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:13:19,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:13:19,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:13:19,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:13:19,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:13:19,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:13:19,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:13:19,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:13:19,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:13:19,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:13:19,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:13:19,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:13:19,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:13:19,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:13:19,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:13:19,115 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 15:13:19,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:13:19,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:13:19,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:13:19,125 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:13:19,126 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:13:19,126 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:13:19,126 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:13:19,126 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:13:19,126 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:13:19,126 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:13:19,127 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 15:13:19,127 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:13:19,127 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:13:19,127 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:13:19,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:13:19,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:13:19,129 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:13:19,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:13:19,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:13:19,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:13:19,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:13:19,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:13:19,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:13:19,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:13:19,131 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:13:19,131 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 15:13:19,131 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_fe5d52c4-3562-4a06-b1b3-eb9983de210f/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 -> d5d9b53ce845accbd1fa22845693a356dd112eec [2018-11-18 15:13:19,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:13:19,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:13:19,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:13:19,169 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:13:19,169 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:13:19,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--uvc--uvcvideo.ko_false-unreach-call.cil.c [2018-11-18 15:13:19,207 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/data/0c691cc28/cdf83877dcc54af3b5f370470a0d9602/FLAG5c7d93d35 [2018-11-18 15:13:19,880 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:13:19,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--uvc--uvcvideo.ko_false-unreach-call.cil.c [2018-11-18 15:13:19,918 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/data/0c691cc28/cdf83877dcc54af3b5f370470a0d9602/FLAG5c7d93d35 [2018-11-18 15:13:20,187 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe5d52c4-3562-4a06-b1b3-eb9983de210f/bin-2019/utaipan/data/0c691cc28/cdf83877dcc54af3b5f370470a0d9602 [2018-11-18 15:13:20,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:13:20,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:13:20,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:20,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:13:20,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:13:20,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:20" (1/1) ... [2018-11-18 15:13:20,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d27173b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:20, skipping insertion in model container [2018-11-18 15:13:20,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:20" (1/1) ... [2018-11-18 15:13:20,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:13:20,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:13:24,650 ERROR L311 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-11-18 15:13:24,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f65a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:24, skipping insertion in model container [2018-11-18 15:13:24,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:24,652 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 15:13:24,652 INFO L168 Benchmark]: Toolchain (without parser) took 4462.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 929.5 MB in the beginning and 1.0 GB in the end (delta: -87.8 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:24,654 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:13:24,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4460.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 926.8 MB in the beginning and 1.0 GB in the end (delta: -90.5 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:24,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4460.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 926.8 MB in the beginning and 1.0 GB in the end (delta: -90.5 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 14404]: 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...