./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 00f12ffd685b47acb456baa9fc1128b67334308e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:17:05,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:17:05,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:17:05,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:17:05,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:17:05,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:17:05,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:17:05,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:17:05,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:17:05,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:17:05,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:17:05,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:17:05,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:17:05,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:17:05,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:17:05,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:17:05,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:17:05,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:17:05,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:17:05,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:17:05,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:17:05,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:17:05,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:17:05,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:17:05,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:17:05,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:17:05,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:17:05,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:17:05,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:17:05,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:17:05,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:17:05,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:17:05,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:17:05,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:17:05,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:17:05,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:17:05,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:17:05,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:17:05,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:17:05,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:17:05,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:17:05,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 22:17:06,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:17:06,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:17:06,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:17:06,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:17:06,011 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:17:06,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:17:06,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:17:06,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:17:06,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:17:06,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:17:06,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:17:06,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:17:06,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:17:06,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:17:06,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:17:06,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:17:06,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:17:06,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:17:06,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:17:06,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:17:06,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:17:06,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:17:06,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:17:06,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:17:06,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:17:06,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 22:17:06,029 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 00f12ffd685b47acb456baa9fc1128b67334308e [2019-11-16 22:17:06,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:17:06,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:17:06,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:17:06,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:17:06,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:17:06,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2019-11-16 22:17:06,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f716753/b95b2f095bb04193b1ae94496ab354a1/FLAGcda7652fa [2019-11-16 22:17:09,689 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:17:09,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2019-11-16 22:17:09,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f716753/b95b2f095bb04193b1ae94496ab354a1/FLAGcda7652fa [2019-11-16 22:17:10,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f716753/b95b2f095bb04193b1ae94496ab354a1 [2019-11-16 22:17:10,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:17:10,025 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:17:10,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:17:10,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:17:10,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:17:10,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:17:10" (1/1) ... [2019-11-16 22:17:10,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87c85d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:10, skipping insertion in model container [2019-11-16 22:17:10,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:17:10" (1/1) ... [2019-11-16 22:17:10,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:17:10,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:17:34,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:17:34,981 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:17:36,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:17:41,934 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:17:41,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41 WrapperNode [2019-11-16 22:17:41,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:17:41,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:17:41,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:17:41,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:17:41,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:42,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:45,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:17:45,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:17:45,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:17:45,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:17:45,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:45,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:45,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:45,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:47,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:47,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:47,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:17:41" (1/1) ... [2019-11-16 22:17:48,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:17:48,107 INFO L168 Benchmark]: Toolchain (without parser) took 38081.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 921.6 MB in the beginning and 440.7 MB in the end (delta: 480.9 MB). Peak memory consumption was 530.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:17:48,109 INFO L168 Benchmark]: CDTParser took 2.19 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:17:48,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 31911.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 921.6 MB in the beginning and 894.0 MB in the end (delta: 27.6 MB). Peak memory consumption was 331.3 MB. Max. memory is 12.5 GB. [2019-11-16 22:17:48,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 3265.32 ms. Allocated memory is still 1.0 GB. Free memory was 894.0 MB in the beginning and 634.5 MB in the end (delta: 259.5 MB). Peak memory consumption was 400.4 MB. Max. memory is 12.5 GB. [2019-11-16 22:17:48,120 INFO L168 Benchmark]: Boogie Preprocessor took 2896.23 ms. Allocated memory is still 1.0 GB. Free memory was 634.5 MB in the beginning and 440.7 MB in the end (delta: 193.8 MB). Peak memory consumption was 243.0 MB. Max. memory is 12.5 GB. [2019-11-16 22:17:48,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.19 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 31911.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 921.6 MB in the beginning and 894.0 MB in the end (delta: 27.6 MB). Peak memory consumption was 331.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3265.32 ms. Allocated memory is still 1.0 GB. Free memory was 894.0 MB in the beginning and 634.5 MB in the end (delta: 259.5 MB). Peak memory consumption was 400.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2896.23 ms. Allocated memory is still 1.0 GB. Free memory was 634.5 MB in the beginning and 440.7 MB in the end (delta: 193.8 MB). Peak memory consumption was 243.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...