./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--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.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 8a86e259c83ba45b1c49d177e1b075e49ba00372 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 8a86e259c83ba45b1c49d177e1b075e49ba00372 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:13:00,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:13:00,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:13:00,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:13:00,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:13:00,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:13:00,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:13:00,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:13:00,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:13:00,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:13:00,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:13:00,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:13:00,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:13:00,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:13:00,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:13:00,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:13:00,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:13:00,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:13:00,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:13:00,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:13:00,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:13:00,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:13:00,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:13:00,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:13:00,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:13:00,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:13:00,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:13:00,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:13:00,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:13:00,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:13:00,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:13:00,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:13:00,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:13:00,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:13:00,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:13:00,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:13:00,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:13:00,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:13:00,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:13:00,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:13:00,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:13:00,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 17:13:00,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:13:00,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:13:00,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:13:00,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:13:00,911 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:13:00,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:13:00,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:13:00,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:13:00,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:13:00,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:13:00,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:13:00,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:13:00,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:13:00,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:13:00,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:13:00,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:13:00,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:13:00,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:13:00,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:13:00,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:13:00,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:13:00,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:13:00,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:13:00,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:13:00,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:13:00,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:13:00,927 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 -> 8a86e259c83ba45b1c49d177e1b075e49ba00372 [2019-11-27 17:13:01,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:13:01,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:13:01,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:13:01,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:13:01,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:13:01,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-11-27 17:13:01,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf821455e/6ff7da9cdafa436085f8fffce2e61fcb/FLAG87189c747 [2019-11-27 17:13:03,524 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:13:03,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-11-27 17:13:03,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf821455e/6ff7da9cdafa436085f8fffce2e61fcb/FLAG87189c747 [2019-11-27 17:13:03,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf821455e/6ff7da9cdafa436085f8fffce2e61fcb [2019-11-27 17:13:03,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:13:03,677 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:13:03,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:13:03,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:13:03,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:13:03,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:13:03" (1/1) ... [2019-11-27 17:13:03,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:03, skipping insertion in model container [2019-11-27 17:13:03,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:13:03" (1/1) ... [2019-11-27 17:13:03,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:13:03,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:13:06,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:13:06,891 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:13:07,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:13:07,705 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:13:07,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07 WrapperNode [2019-11-27 17:13:07,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:13:07,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:13:07,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:13:07,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:13:07,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:07,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:13:08,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:13:08,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:13:08,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:13:08,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:07" (1/1) ... [2019-11-27 17:13:08,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:13:08,332 INFO L168 Benchmark]: Toolchain (without parser) took 4651.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 879.0 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:08,334 INFO L168 Benchmark]: CDTParser took 2.53 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. [2019-11-27 17:13:08,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4032.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 896.2 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:08,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 333.15 ms. Allocated memory is still 1.0 GB. Free memory was 896.2 MB in the beginning and 890.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:08,347 INFO L168 Benchmark]: Boogie Preprocessor took 279.19 ms. Allocated memory is still 1.0 GB. Free memory was 890.5 MB in the beginning and 879.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:08,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 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 4032.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 896.2 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 333.15 ms. Allocated memory is still 1.0 GB. Free memory was 896.2 MB in the beginning and 890.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 279.19 ms. Allocated memory is still 1.0 GB. Free memory was 890.5 MB in the beginning and 879.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:13:12,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:13:12,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:13:13,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:13:13,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:13:13,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:13:13,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:13:13,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:13:13,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:13:13,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:13:13,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:13:13,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:13:13,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:13:13,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:13:13,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:13:13,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:13:13,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:13:13,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:13:13,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:13:13,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:13:13,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:13:13,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:13:13,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:13:13,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:13:13,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:13:13,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:13:13,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:13:13,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:13:13,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:13:13,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:13:13,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:13:13,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:13:13,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:13:13,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:13:13,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:13:13,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:13:13,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:13:13,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:13:13,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:13:13,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:13:13,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:13:13,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 17:13:13,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:13:13,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:13:13,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:13:13,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:13:13,259 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:13:13,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:13:13,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:13:13,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:13:13,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:13:13,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:13:13,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:13:13,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:13:13,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:13:13,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:13:13,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:13:13,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:13:13,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:13:13,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:13:13,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:13:13,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:13:13,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:13:13,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:13:13,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:13:13,277 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:13:13,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:13:13,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:13:13,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:13:13,280 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 17:13:13,282 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 -> 8a86e259c83ba45b1c49d177e1b075e49ba00372 [2019-11-27 17:13:13,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:13:13,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:13:13,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:13:13,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:13:13,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:13:13,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-11-27 17:13:14,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b03289aa/466e4262f6544206a63ed89777074851/FLAGb818c48bb [2019-11-27 17:13:15,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:13:15,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-11-27 17:13:15,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b03289aa/466e4262f6544206a63ed89777074851/FLAGb818c48bb [2019-11-27 17:13:16,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b03289aa/466e4262f6544206a63ed89777074851 [2019-11-27 17:13:16,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:13:16,253 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:13:16,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:13:16,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:13:16,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:13:16,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:13:16" (1/1) ... [2019-11-27 17:13:16,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420663f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:16, skipping insertion in model container [2019-11-27 17:13:16,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:13:16" (1/1) ... [2019-11-27 17:13:16,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:13:16,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:13:19,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:13:19,204 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:13:19,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:13:20,007 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:13:20,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20 WrapperNode [2019-11-27 17:13:20,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:13:20,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:13:20,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:13:20,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:13:20,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:13:20,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:13:20,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:13:20,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:13:20,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:13:20" (1/1) ... [2019-11-27 17:13:20,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:13:20,645 INFO L168 Benchmark]: Toolchain (without parser) took 4391.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 867.3 MB in the end (delta: 87.2 MB). Peak memory consumption was 87.3 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:20,648 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-27 17:13:20,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3747.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 884.5 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:20,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 340.45 ms. Allocated memory is still 1.0 GB. Free memory was 884.5 MB in the beginning and 873.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:20,662 INFO L168 Benchmark]: Boogie Preprocessor took 285.86 ms. Allocated memory is still 1.0 GB. Free memory was 873.0 MB in the beginning and 867.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:13:20,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 3747.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 884.5 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 340.45 ms. Allocated memory is still 1.0 GB. Free memory was 884.5 MB in the beginning and 873.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 285.86 ms. Allocated memory is still 1.0 GB. Free memory was 873.0 MB in the beginning and 867.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...