./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41ba1937ddd6f1a318f7ca30c4cd4968ea1f6d1a .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:08:28,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:08:28,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:08:28,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:08:28,619 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:08:28,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:08:28,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:08:28,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:08:28,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:08:28,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:08:28,624 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:08:28,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:08:28,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:08:28,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:08:28,627 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:08:28,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:08:28,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:08:28,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:08:28,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:08:28,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:08:28,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:08:28,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:08:28,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:08:28,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:08:28,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:08:28,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:08:28,637 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:08:28,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:08:28,638 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:08:28,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:08:28,639 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:08:28,639 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:08:28,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:08:28,640 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:08:28,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:08:28,641 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:08:28,641 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 07:08:28,651 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:08:28,651 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:08:28,652 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:08:28,652 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:08:28,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:08:28,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:08:28,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:08:28,653 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:08:28,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:08:28,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:08:28,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:08:28,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:08:28,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:08:28,654 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:08:28,654 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:08:28,654 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:08:28,654 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:08:28,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:08:28,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:08:28,656 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:08:28,656 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak 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 -> Kojak 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 -> 41ba1937ddd6f1a318f7ca30c4cd4968ea1f6d1a [2018-11-10 07:08:28,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:08:28,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:08:28,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:08:28,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:08:28,691 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:08:28,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 07:08:28,732 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/data/379b45d60/9d592cfc39fa4cc78bb84e0a41b8fe10/FLAG709edec7b [2018-11-10 07:08:29,505 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:08:29,506 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 07:08:29,561 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/data/379b45d60/9d592cfc39fa4cc78bb84e0a41b8fe10/FLAG709edec7b [2018-11-10 07:08:29,573 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_666a1212-91bb-482b-a129-29880a8d700f/bin-2019/ukojak/data/379b45d60/9d592cfc39fa4cc78bb84e0a41b8fe10 [2018-11-10 07:08:29,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:08:29,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:08:29,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:08:29,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:08:29,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:08:29,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:08:29" (1/1) ... [2018-11-10 07:08:29,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66da9750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:29, skipping insertion in model container [2018-11-10 07:08:29,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:08:29" (1/1) ... [2018-11-10 07:08:29,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:08:29,813 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:08:30,148 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4690] [2018-11-10 07:08:32,170 WARN L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-11-10 07:08:32,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b2b43c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:32, skipping insertion in model container [2018-11-10 07:08:32,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:08:32,171 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-10 07:08:32,171 INFO L168 Benchmark]: Toolchain (without parser) took 2595.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 924.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:08:32,173 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:08:32,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2593.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 924.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:08:32,175 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2593.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 924.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9784]: 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...