./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--gpu--drm--drm.ko-entry_point_false-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_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b0388213aaacec2457cd2d483ce51568b8efe3c ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:28:08,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:28:08,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:28:08,620 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:28:08,620 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:28:08,621 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:28:08,623 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:28:08,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:28:08,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:28:08,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:28:08,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:28:08,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:28:08,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:28:08,629 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:28:08,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:28:08,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:28:08,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:28:08,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:28:08,642 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:28:08,643 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:28:08,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:28:08,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:28:08,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:28:08,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:28:08,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:28:08,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:28:08,654 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:28:08,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:28:08,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:28:08,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:28:08,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:28:08,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:28:08,657 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:28:08,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:28:08,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:28:08,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:28:08,664 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 20:28:08,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:28:08,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:28:08,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:28:08,681 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:28:08,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:28:08,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:28:08,682 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:28:08,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:28:08,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:28:08,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:28:08,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:28:08,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:28:08,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:28:08,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:28:08,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:28:08,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:28:08,685 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:28:08,685 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_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer 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 -> Automizer 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 -> 1b0388213aaacec2457cd2d483ce51568b8efe3c [2018-10-26 20:28:08,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:28:08,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:28:08,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:28:08,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:28:08,740 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:28:08,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point_false-unreach-call.cil.out.c [2018-10-26 20:28:08,793 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/data/00ad7a718/46b36f3efb1c433f83f367504cc28eb7/FLAGcfd36b16f [2018-10-26 20:28:10,193 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:28:10,194 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point_false-unreach-call.cil.out.c [2018-10-26 20:28:10,325 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/data/00ad7a718/46b36f3efb1c433f83f367504cc28eb7/FLAGcfd36b16f [2018-10-26 20:28:10,339 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_588498d2-186a-4f92-971a-f425ed48159e/bin-2019/uautomizer/data/00ad7a718/46b36f3efb1c433f83f367504cc28eb7 [2018-10-26 20:28:10,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:28:10,344 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:28:10,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:28:10,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:28:10,349 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:28:10,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7aed40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10, skipping insertion in model container [2018-10-26 20:28:10,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:28:10,910 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:28:12,336 WARN L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk [2018-10-26 20:28:12,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bf783a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:12, skipping insertion in model container [2018-10-26 20:28:12,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:28:12,338 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-26 20:28:12,339 INFO L168 Benchmark]: Toolchain (without parser) took 1996.25 ms. Allocated memory is still 1.0 GB. Free memory was 888.3 MB in the beginning and 828.9 MB in the end (delta: 59.4 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,341 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:28:12,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1993.21 ms. Allocated memory is still 1.0 GB. Free memory was 888.3 MB in the beginning and 828.9 MB in the end (delta: 59.4 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1993.21 ms. Allocated memory is still 1.0 GB. Free memory was 888.3 MB in the beginning and 828.9 MB in the end (delta: 59.4 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7078]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...