./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--gpu--drm--qxl--qxl.ko_false-unreach-call.cil.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_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--qxl--qxl.ko_false-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/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 0f5e36aee1a85275a834c3b29230932b044c7dca ........................................................................................................................... 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 07:15:09,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:15:09,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:15:09,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:15:09,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:15:09,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:15:09,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:15:09,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:15:09,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:15:09,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:15:09,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:15:09,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:15:09,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:15:09,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:15:09,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:15:09,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:15:09,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:15:09,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:15:09,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:15:09,973 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:15:09,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:15:09,975 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:15:09,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:15:09,977 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:15:09,977 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:15:09,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:15:09,979 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:15:09,979 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:15:09,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:15:09,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:15:09,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:15:09,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:15:09,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:15:09,982 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:15:09,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:15:09,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:15:09,983 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-10 07:15:09,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:15:09,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:15:09,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:15:09,995 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:15:09,996 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:15:09,996 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:15:09,996 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:15:09,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:15:09,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:15:09,998 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:15:09,998 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:15:09,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:15:09,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:15:09,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:15:09,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:15:09,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:15:09,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:15:09,999 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:15:09,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:15:09,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:15:09,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:15:09,999 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_61c709ef-8848-4eeb-b832-718ae250a44f/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 -> 0f5e36aee1a85275a834c3b29230932b044c7dca [2018-11-10 07:15:10,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:15:10,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:15:10,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:15:10,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:15:10,040 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:15:10,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--qxl--qxl.ko_false-unreach-call.cil.c [2018-11-10 07:15:10,091 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/data/066ffa4d3/fa52bb4fcfd94bf0b078872af5366d5e/FLAG519b91322 [2018-11-10 07:15:10,732 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:15:10,732 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--qxl--qxl.ko_false-unreach-call.cil.c [2018-11-10 07:15:10,775 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/data/066ffa4d3/fa52bb4fcfd94bf0b078872af5366d5e/FLAG519b91322 [2018-11-10 07:15:10,787 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61c709ef-8848-4eeb-b832-718ae250a44f/bin-2019/uautomizer/data/066ffa4d3/fa52bb4fcfd94bf0b078872af5366d5e [2018-11-10 07:15:10,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:15:10,790 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:15:10,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:15:10,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:15:10,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:15:10,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:15:10" (1/1) ... [2018-11-10 07:15:10,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@caf9834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:10, skipping insertion in model container [2018-11-10 07:15:10,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:15:10" (1/1) ... [2018-11-10 07:15:10,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:15:10,967 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:15:15,907 WARN L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2018-11-10 07:15:15,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4da7857e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:15, skipping insertion in model container [2018-11-10 07:15:15,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:15:15,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-10 07:15:15,909 INFO L168 Benchmark]: Toolchain (without parser) took 5119.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 930.8 MB in the beginning and 1.2 GB in the end (delta: -228.9 MB). Peak memory consumption was 434.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:15,910 INFO L168 Benchmark]: CDTParser took 0.17 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 07:15:15,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5117.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 930.8 MB in the beginning and 1.2 GB in the end (delta: -228.9 MB). Peak memory consumption was 434.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:15,912 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5117.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 930.8 MB in the beginning and 1.2 GB in the end (delta: -228.9 MB). Peak memory consumption was 434.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 12223]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...