./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-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_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/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 acc9e3d4a7c9dc8f21fee65ee02fbd9261d48d42 ....................................................................................................................................... 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 10:49:27,488 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:49:27,489 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:49:27,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:49:27,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:49:27,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:49:27,498 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:49:27,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:49:27,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:49:27,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:49:27,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:49:27,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:49:27,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:49:27,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:49:27,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:49:27,504 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:49:27,505 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:49:27,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:49:27,508 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:49:27,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:49:27,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:49:27,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:49:27,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:49:27,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:49:27,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:49:27,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:49:27,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:49:27,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:49:27,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:49:27,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:49:27,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:49:27,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:49:27,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:49:27,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:49:27,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:49:27,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:49:27,518 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 10:49:27,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:49:27,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:49:27,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:49:27,529 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:49:27,529 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:49:27,530 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:49:27,530 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:49:27,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:49:27,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:49:27,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:49:27,531 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:49:27,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:49:27,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:49:27,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:49:27,532 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:49:27,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:49:27,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:49:27,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:49:27,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:49:27,533 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 10:49:27,534 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_163db22d-31f4-4ecb-bfee-64a2b6a73abf/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 -> acc9e3d4a7c9dc8f21fee65ee02fbd9261d48d42 [2018-11-18 10:49:27,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:49:27,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:49:27,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:49:27,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:49:27,566 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:49:27,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 10:49:27,602 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/data/da8b1dc52/93771d96a2c74703bc0e7a23f9a9b972/FLAGd3674e60d [2018-11-18 10:49:28,364 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:49:28,365 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 10:49:28,415 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/data/da8b1dc52/93771d96a2c74703bc0e7a23f9a9b972/FLAGd3674e60d [2018-11-18 10:49:28,589 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_163db22d-31f4-4ecb-bfee-64a2b6a73abf/bin-2019/utaipan/data/da8b1dc52/93771d96a2c74703bc0e7a23f9a9b972 [2018-11-18 10:49:28,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:49:28,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:49:28,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:28,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:49:28,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:49:28,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:28" (1/1) ... [2018-11-18 10:49:28,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13683e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:28, skipping insertion in model container [2018-11-18 10:49:28,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:28" (1/1) ... [2018-11-18 10:49:28,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:49:28,809 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:49:29,276 WARN L1122 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4800] [2018-11-18 10:49:29,313 WARN L1122 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7808] [2018-11-18 10:49:29,313 WARN L1122 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7809-7810] [2018-11-18 10:49:31,070 ERROR L311 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-11-18 10:49:31,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@651b3c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:31, skipping insertion in model container [2018-11-18 10:49:31,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:31,072 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 10:49:31,072 INFO L168 Benchmark]: Toolchain (without parser) took 2480.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 924.3 MB in the beginning and 982.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:31,074 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:31,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2477.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 924.3 MB in the beginning and 982.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:31,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2477.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 924.3 MB in the beginning and 982.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9391]: 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...