./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.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-challenges/linux-3.14_complex_emg_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 54d29292265559f89a8a363835c95bffc56bf84b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.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 54d29292265559f89a8a363835c95bffc56bf84b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:32:58,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:32:58,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:32:58,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:32:58,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:32:58,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:32:58,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:32:58,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:32:58,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:32:58,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:32:58,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:32:58,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:32:58,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:32:58,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:32:58,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:32:58,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:32:58,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:32:58,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:32:58,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:32:58,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:32:58,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:32:58,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:32:58,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:32:58,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:32:58,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:32:58,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:32:58,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:32:58,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:32:58,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:32:58,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:32:58,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:32:58,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:32:58,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:32:58,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:32:58,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:32:58,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:32:58,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:32:58,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:32:58,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:32:58,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:32:58,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:32:58,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 17:32:59,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:32:59,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:32:59,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:32:59,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:32:59,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:32:59,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:32:59,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:32:59,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:32:59,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:32:59,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:32:59,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:32:59,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:32:59,044 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:32:59,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:32:59,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:32:59,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:32:59,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:32:59,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:32:59,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:32:59,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:32:59,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:32:59,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:32:59,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:32:59,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:32:59,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:32:59,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:32:59,052 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 -> 54d29292265559f89a8a363835c95bffc56bf84b [2019-11-27 17:32:59,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:32:59,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:32:59,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:32:59,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:32:59,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:32:59,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 17:32:59,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84a0cc18/612913e184f74fed8e687aa01bc2cb20/FLAG7b02b2ae9 [2019-11-27 17:33:02,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:33:02,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 17:33:02,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84a0cc18/612913e184f74fed8e687aa01bc2cb20/FLAG7b02b2ae9 [2019-11-27 17:33:02,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84a0cc18/612913e184f74fed8e687aa01bc2cb20 [2019-11-27 17:33:02,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:33:02,356 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:33:02,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:33:02,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:33:02,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:33:02,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:33:02" (1/1) ... [2019-11-27 17:33:02,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad6c7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:02, skipping insertion in model container [2019-11-27 17:33:02,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:33:02" (1/1) ... [2019-11-27 17:33:02,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:33:02,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:33:13,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:33:13,431 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:33:14,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:33:16,392 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:33:16,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16 WrapperNode [2019-11-27 17:33:16,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:33:16,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:33:16,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:33:16,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:33:16,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:16,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:17,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:33:17,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:33:17,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:33:17,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:33:17,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:17,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:17,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:17,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:18,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:18,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:18,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:16" (1/1) ... [2019-11-27 17:33:18,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:33:18,663 INFO L168 Benchmark]: Toolchain (without parser) took 16301.39 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 710.5 MB in the end (delta: 238.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:18,665 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:33:18,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14032.62 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 886.2 MB in the end (delta: 62.6 MB). Peak memory consumption was 314.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:18,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 1131.90 ms. Allocated memory is still 1.0 GB. Free memory was 886.2 MB in the beginning and 790.4 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:18,677 INFO L168 Benchmark]: Boogie Preprocessor took 1126.52 ms. Allocated memory is still 1.0 GB. Free memory was 790.4 MB in the beginning and 710.5 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:18,690 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 14032.62 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 886.2 MB in the end (delta: 62.6 MB). Peak memory consumption was 314.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1131.90 ms. Allocated memory is still 1.0 GB. Free memory was 886.2 MB in the beginning and 790.4 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1126.52 ms. Allocated memory is still 1.0 GB. Free memory was 790.4 MB in the beginning and 710.5 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 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 17:33:22,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:33:22,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:33:22,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:33:22,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:33:22,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:33:22,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:33:22,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:33:22,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:33:22,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:33:22,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:33:22,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:33:22,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:33:22,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:33:22,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:33:22,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:33:22,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:33:22,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:33:22,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:33:22,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:33:22,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:33:22,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:33:22,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:33:22,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:33:22,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:33:22,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:33:22,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:33:22,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:33:22,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:33:22,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:33:22,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:33:22,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:33:22,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:33:22,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:33:22,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:33:22,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:33:22,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:33:22,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:33:22,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:33:22,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:33:22,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:33:22,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 17:33:22,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:33:22,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:33:22,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:33:22,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:33:22,990 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:33:22,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:33:22,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:33:22,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:33:22,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:33:22,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:33:22,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:33:22,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:33:22,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:33:22,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:33:22,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:33:22,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:33:23,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:33:23,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:33:23,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:33:23,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:33:23,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:33:23,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:33:23,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:33:23,005 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:33:23,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:33:23,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:33:23,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:33:23,006 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 17:33:23,007 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 -> 54d29292265559f89a8a363835c95bffc56bf84b [2019-11-27 17:33:23,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:33:23,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:33:23,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:33:23,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:33:23,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:33:23,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 17:33:23,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf10ae6/648d73caf1de48709f8aa385e430b31a/FLAGd5330a971 [2019-11-27 17:33:25,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:33:25,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 17:33:25,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf10ae6/648d73caf1de48709f8aa385e430b31a/FLAGd5330a971 [2019-11-27 17:33:26,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf10ae6/648d73caf1de48709f8aa385e430b31a [2019-11-27 17:33:26,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:33:26,030 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:33:26,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:33:26,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:33:26,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:33:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:33:26" (1/1) ... [2019-11-27 17:33:26,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5711e6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:26, skipping insertion in model container [2019-11-27 17:33:26,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:33:26" (1/1) ... [2019-11-27 17:33:26,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:33:26,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:33:36,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:33:36,365 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:33:37,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:33:41,100 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:33:41,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41 WrapperNode [2019-11-27 17:33:41,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:33:41,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:33:41,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:33:41,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:33:41,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:41,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:42,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:33:42,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:33:42,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:33:42,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:33:42,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:42,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:42,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:42,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:42,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:43,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:43,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:33:41" (1/1) ... [2019-11-27 17:33:43,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:33:43,506 INFO L168 Benchmark]: Toolchain (without parser) took 17469.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 695.8 MB in the end (delta: 248.7 MB). Peak memory consumption was 248.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:43,510 INFO L168 Benchmark]: CDTParser took 0.32 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 17:33:43,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 15069.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 847.9 MB in the end (delta: 96.6 MB). Peak memory consumption was 309.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:43,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 1114.78 ms. Allocated memory is still 1.0 GB. Free memory was 847.9 MB in the beginning and 768.8 MB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:43,529 INFO L168 Benchmark]: Boogie Preprocessor took 1276.96 ms. Allocated memory is still 1.0 GB. Free memory was 768.8 MB in the beginning and 695.8 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:33:43,540 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 15069.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 847.9 MB in the end (delta: 96.6 MB). Peak memory consumption was 309.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1114.78 ms. Allocated memory is still 1.0 GB. Free memory was 847.9 MB in the beginning and 768.8 MB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1276.96 ms. Allocated memory is still 1.0 GB. Free memory was 768.8 MB in the beginning and 695.8 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...