./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/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 b1c200a734b0ce6e10bb9d48f6f19b9f5f9bbc98 ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:04,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:04,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:04,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:04,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:04,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:04,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:04,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:04,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:04,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:04,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:04,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:04,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:04,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:04,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:04,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:04,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:04,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:04,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:04,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:04,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:04,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:04,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:04,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:04,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:04,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:04,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:04,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:04,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:04,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:04,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:04,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:04,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:04,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:04,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:04,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:04,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:04,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:04,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:04,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:04,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:04,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-10-22 11:26:04,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:04,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:04,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:04,484 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:04,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:04,484 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:04,485 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:04,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:04,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:04,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:04,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:04,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:04,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:04,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:04,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:04,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:04,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:04,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:04,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:04,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:04,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:04,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:04,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:04,488 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:04,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:04,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:04,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:04,490 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-10-22 11:26:04,491 INFO L138 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_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/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 -> b1c200a734b0ce6e10bb9d48f6f19b9f5f9bbc98 [2019-10-22 11:26:04,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:04,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:04,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:04,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:04,529 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:04,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2019-10-22 11:26:04,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/data/7dc40d8e3/4b3303428b374fb7bb698eb1a2c34237/FLAG8f00126ba [2019-10-22 11:26:05,546 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:05,547 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2019-10-22 11:26:05,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/data/7dc40d8e3/4b3303428b374fb7bb698eb1a2c34237/FLAG8f00126ba [2019-10-22 11:26:05,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d143e8ac-b717-4ef3-bbfe-8c141b8ddd98/bin/utaipan/data/7dc40d8e3/4b3303428b374fb7bb698eb1a2c34237 [2019-10-22 11:26:05,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:05,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:05,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:05,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:05,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:05,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baea3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05, skipping insertion in model container [2019-10-22 11:26:05,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,883 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:06,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:06,760 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3959] [2019-10-22 11:26:09,256 ERROR L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-10-22 11:26:09,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e2f35e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09, skipping insertion in model container [2019-10-22 11:26:09,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:09,258 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 11:26:09,269 INFO L168 Benchmark]: Toolchain (without parser) took 3389.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 908.5 MB in the beginning and 1.0 GB in the end (delta: -124.7 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:09,269 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:09,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3386.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 908.5 MB in the beginning and 1.0 GB in the end (delta: -124.7 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:09,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3386.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 908.5 MB in the beginning and 1.0 GB in the end (delta: -124.7 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9837]: 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...