./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.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 de0ec497495c45614e6a18260175bd6e73dbfe0e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:13:45,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:13:45,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:13:45,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:13:45,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:13:45,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:13:45,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:13:45,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:13:45,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:13:45,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:13:45,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:13:45,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:13:45,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:13:45,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:13:45,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:13:45,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:13:45,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:13:45,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:13:45,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:13:45,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:13:45,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:13:45,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:13:45,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:13:45,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:13:45,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:13:45,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:13:45,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:13:45,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:13:45,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:13:45,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:13:45,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:13:45,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:13:45,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:13:45,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:13:45,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:13:45,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:13:45,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:13:45,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:13:45,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:13:45,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:13:45,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:13:45,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 22:13:46,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:13:46,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:13:46,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:13:46,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:13:46,019 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:13:46,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:13:46,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:13:46,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:13:46,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:13:46,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:13:46,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:13:46,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:13:46,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:13:46,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:13:46,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:13:46,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:13:46,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:13:46,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:13:46,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:13:46,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:13:46,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:13:46,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:13:46,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:13:46,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:13:46,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:13:46,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 22:13:46,030 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 -> de0ec497495c45614e6a18260175bd6e73dbfe0e [2019-11-16 22:13:46,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:13:46,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:13:46,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:13:46,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:13:46,493 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:13:46,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-16 22:13:46,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd3621840/3a27435f71d842718850ed2d661db483/FLAGa81295210 [2019-11-16 22:13:47,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:13:47,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-16 22:13:48,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd3621840/3a27435f71d842718850ed2d661db483/FLAGa81295210 [2019-11-16 22:13:48,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd3621840/3a27435f71d842718850ed2d661db483 [2019-11-16 22:13:48,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:13:48,167 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:13:48,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:13:48,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:13:48,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:13:48,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:48" (1/1) ... [2019-11-16 22:13:48,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230cf41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:48, skipping insertion in model container [2019-11-16 22:13:48,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:48" (1/1) ... [2019-11-16 22:13:48,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:13:48,503 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:13:54,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:13:54,902 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:13:55,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:13:57,544 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:13:57,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57 WrapperNode [2019-11-16 22:13:57,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:13:57,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:13:57,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:13:57,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:13:57,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:57,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:58,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:13:58,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:13:58,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:13:58,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:13:58,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:58,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:58,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:58,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:58,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:59,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:59,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:59,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:13:59,190 INFO L168 Benchmark]: Toolchain (without parser) took 11019.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 890.8 MB in the end (delta: 55.1 MB). Peak memory consumption was 327.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:13:59,193 INFO L168 Benchmark]: CDTParser took 3.04 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 22:13:59,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9374.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 808.6 MB in the end (delta: 137.3 MB). Peak memory consumption was 310.4 MB. Max. memory is 12.5 GB. [2019-11-16 22:13:59,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 686.45 ms. Allocated memory is still 1.0 GB. Free memory was 808.6 MB in the beginning and 729.9 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:13:59,199 INFO L168 Benchmark]: Boogie Preprocessor took 951.24 ms. Allocated memory is still 1.0 GB. Free memory was 729.9 MB in the beginning and 890.8 MB in the end (delta: -160.9 MB). Peak memory consumption was 111.4 MB. Max. memory is 12.5 GB. [2019-11-16 22:13:59,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.04 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 9374.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 808.6 MB in the end (delta: 137.3 MB). Peak memory consumption was 310.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 686.45 ms. Allocated memory is still 1.0 GB. Free memory was 808.6 MB in the beginning and 729.9 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 951.24 ms. Allocated memory is still 1.0 GB. Free memory was 729.9 MB in the beginning and 890.8 MB in the end (delta: -160.9 MB). Peak memory consumption was 111.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...