./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--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/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 9c28ec4bef42d0c3c9ae9869ae11671bfd73e3de ........................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/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 9c28ec4bef42d0c3c9ae9869ae11671bfd73e3de .......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:58:42,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:58:42,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:58:42,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:58:42,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:58:42,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:58:42,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:58:42,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:58:42,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:58:42,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:58:42,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:58:42,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:58:42,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:58:42,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:58:42,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:58:42,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:58:42,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:58:42,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:58:42,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:58:42,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:58:42,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:58:42,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:58:42,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:58:42,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:58:42,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:58:42,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:58:42,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:58:42,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:58:42,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:58:42,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:58:42,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:58:42,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:58:42,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:58:42,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:58:42,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:58:42,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:58:42,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:58:42,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:58:42,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:58:42,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:58:42,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:58:42,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 10:58:42,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:58:42,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:58:42,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:58:42,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:58:42,879 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:58:42,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:58:42,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:58:42,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:58:42,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:58:42,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:58:42,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:58:42,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:58:42,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:58:42,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:58:42,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:58:42,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:58:42,882 INFO L138 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/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/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 -> 9c28ec4bef42d0c3c9ae9869ae11671bfd73e3de [2019-12-07 10:58:42,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:58:42,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:58:42,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:58:42,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:58:42,992 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:58:42,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-12-07 10:58:43,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/84c9a2afd/735f70b60e4c44748b6bfb874321c9d4/FLAG63252e54b [2019-12-07 10:58:43,720 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:58:43,720 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-12-07 10:58:43,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/84c9a2afd/735f70b60e4c44748b6bfb874321c9d4/FLAG63252e54b [2019-12-07 10:58:44,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/84c9a2afd/735f70b60e4c44748b6bfb874321c9d4 [2019-12-07 10:58:44,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:58:44,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:58:44,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:58:44,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:58:44,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:58:44,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:58:44" (1/1) ... [2019-12-07 10:58:44,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527e28f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:58:44, skipping insertion in model container [2019-12-07 10:58:44,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:58:44" (1/1) ... [2019-12-07 10:58:44,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:58:44,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:58:46,755 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2019-12-07 10:58:46,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a1ed56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:58:46, skipping insertion in model container [2019-12-07 10:58:46,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:58:46,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:58:46,758 INFO L168 Benchmark]: Toolchain (without parser) took 2744.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 918.3 MB in the beginning and 1.0 GB in the end (delta: -89.1 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:58:46,758 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:58:46,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2742.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 918.3 MB in the beginning and 1.0 GB in the end (delta: -89.1 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:58:46,760 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2742.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 918.3 MB in the beginning and 1.0 GB in the end (delta: -89.1 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8666]: 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... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:58:47,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:58:47,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:58:47,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:58:47,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:58:47,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:58:47,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:58:47,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:58:47,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:58:47,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:58:47,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:58:47,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:58:47,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:58:47,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:58:47,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:58:47,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:58:47,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:58:47,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:58:47,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:58:47,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:58:47,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:58:47,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:58:47,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:58:47,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:58:47,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:58:47,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:58:47,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:58:47,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:58:47,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:58:47,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:58:47,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:58:47,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:58:47,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:58:47,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:58:47,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:58:47,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:58:47,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:58:47,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:58:47,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:58:47,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:58:47,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:58:47,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 10:58:47,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:58:47,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:58:47,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:58:47,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:58:47,975 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:58:47,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:58:47,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:58:47,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:58:47,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:58:47,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:58:47,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:58:47,979 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 10:58:47,979 INFO L138 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/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/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 -> 9c28ec4bef42d0c3c9ae9869ae11671bfd73e3de [2019-12-07 10:58:48,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:58:48,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:58:48,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:58:48,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:58:48,155 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:58:48,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-12-07 10:58:48,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/1000af2cf/367d5fed866a4f14a8a2deed506ea7e2/FLAGcbab8c2fe [2019-12-07 10:58:48,915 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:58:48,915 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-12-07 10:58:48,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/1000af2cf/367d5fed866a4f14a8a2deed506ea7e2/FLAGcbab8c2fe [2019-12-07 10:58:49,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c745ef24-7d58-417c-bd00-487b1b2d3c3c/bin/uautomizer/data/1000af2cf/367d5fed866a4f14a8a2deed506ea7e2 [2019-12-07 10:58:49,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:58:49,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:58:49,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:58:49,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:58:49,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:58:49,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:58:49" (1/1) ... [2019-12-07 10:58:49,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2df62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:58:49, skipping insertion in model container [2019-12-07 10:58:49,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:58:49" (1/1) ... [2019-12-07 10:58:49,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:58:49,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:58:52,049 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2019-12-07 10:58:52,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10628623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:58:52, skipping insertion in model container [2019-12-07 10:58:52,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:58:52,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:58:52,052 INFO L168 Benchmark]: Toolchain (without parser) took 2826.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 925.4 MB in the beginning and 1.0 GB in the end (delta: -117.5 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:58:52,052 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:58:52,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2825.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 920.0 MB in the beginning and 1.0 GB in the end (delta: -122.8 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:58:52,054 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2825.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 920.0 MB in the beginning and 1.0 GB in the end (delta: -122.8 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8666]: 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...