./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 101b366b5421ac410511e27545f6208021892d67 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.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 101b366b5421ac410511e27545f6208021892d67 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:20:47,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:20:47,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:20:47,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:20:47,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:20:47,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:20:47,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:20:47,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:20:47,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:20:47,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:20:47,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:20:47,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:20:47,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:20:47,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:20:47,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:20:47,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:20:47,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:20:47,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:20:47,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:20:47,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:20:47,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:20:47,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:20:47,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:20:47,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:20:47,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:20:47,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:20:47,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:20:47,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:20:47,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:20:47,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:20:47,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:20:47,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:20:47,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:20:47,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:20:47,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:20:47,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:20:47,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:20:47,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:20:47,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:20:47,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:20:47,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:20:47,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-26 00:20:47,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:20:47,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:20:47,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:20:47,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:20:47,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:20:47,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:20:47,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:20:47,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:20:47,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 00:20:47,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:20:47,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 00:20:47,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 00:20:47,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:20:47,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 00:20:47,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:20:47,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:20:47,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:20:47,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:20:47,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:20:47,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:20:47,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:20:47,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 00:20:47,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:20:47,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:20:47,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 00:20:47,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:20:47,909 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 -> 101b366b5421ac410511e27545f6208021892d67 [2019-11-26 00:20:48,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:20:48,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:20:48,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:20:48,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:20:48,592 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:20:48,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2019-11-26 00:20:48,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa04d2e7/d379a2c3ab26409fb3c924ecf59b9513/FLAG604570b43 [2019-11-26 00:20:50,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:20:50,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2019-11-26 00:20:51,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa04d2e7/d379a2c3ab26409fb3c924ecf59b9513/FLAG604570b43 [2019-11-26 00:20:51,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa04d2e7/d379a2c3ab26409fb3c924ecf59b9513 [2019-11-26 00:20:51,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:20:51,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 00:20:51,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:20:51,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:20:51,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:20:51,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:51" (1/1) ... [2019-11-26 00:20:51,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:51, skipping insertion in model container [2019-11-26 00:20:51,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:51" (1/1) ... [2019-11-26 00:20:51,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:20:51,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:21:02,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:21:02,755 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:21:03,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:21:05,996 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:21:05,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05 WrapperNode [2019-11-26 00:21:06,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:21:06,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 00:21:06,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 00:21:06,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 00:21:06,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:06,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:06,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 00:21:06,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:21:06,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:21:06,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:21:07,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:07,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:05" (1/1) ... [2019-11-26 00:21:08,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:21:08,569 INFO L168 Benchmark]: Toolchain (without parser) took 17485.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 886.2 MB in the end (delta: 58.2 MB). Peak memory consumption was 339.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:08,572 INFO L168 Benchmark]: CDTParser took 5.35 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. [2019-11-26 00:21:08,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14925.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 849.9 MB in the end (delta: 94.5 MB). Peak memory consumption was 307.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:08,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 980.42 ms. Allocated memory is still 1.0 GB. Free memory was 849.9 MB in the beginning and 754.5 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:08,588 INFO L168 Benchmark]: Boogie Preprocessor took 1568.76 ms. Allocated memory is still 1.0 GB. Free memory was 754.5 MB in the beginning and 886.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 149.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:08,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.35 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 14925.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 849.9 MB in the end (delta: 94.5 MB). Peak memory consumption was 307.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 980.42 ms. Allocated memory is still 1.0 GB. Free memory was 849.9 MB in the beginning and 754.5 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1568.76 ms. Allocated memory is still 1.0 GB. Free memory was 754.5 MB in the beginning and 886.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 149.1 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 0.1.24-65d6cd2 [2019-11-26 00:21:12,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:21:12,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:21:12,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:21:12,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:21:12,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:21:12,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:21:12,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:21:12,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:21:12,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:21:12,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:21:12,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:21:12,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:21:12,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:21:12,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:21:12,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:21:12,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:21:12,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:21:12,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:21:12,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:21:12,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:21:12,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:21:12,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:21:12,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:21:12,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:21:12,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:21:12,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:21:12,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:21:12,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:21:12,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:21:12,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:21:12,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:21:12,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:21:12,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:21:12,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:21:12,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:21:12,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:21:12,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:21:12,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:21:12,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:21:12,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:21:12,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-26 00:21:13,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:21:13,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:21:13,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:21:13,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:21:13,014 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:21:13,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:21:13,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:21:13,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 00:21:13,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:21:13,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 00:21:13,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:21:13,022 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:21:13,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 00:21:13,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:21:13,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 00:21:13,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:21:13,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:21:13,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:21:13,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:21:13,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:21:13,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:21:13,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:21:13,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 00:21:13,035 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:21:13,037 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:21:13,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 00:21:13,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:21:13,038 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-26 00:21:13,039 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 -> 101b366b5421ac410511e27545f6208021892d67 [2019-11-26 00:21:13,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:21:13,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:21:13,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:21:13,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:21:13,693 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:21:13,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2019-11-26 00:21:13,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19a6ce16/2c7c7311fd6343af9d826e2389e060b0/FLAGa4011eb0c [2019-11-26 00:21:15,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:21:15,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2019-11-26 00:21:15,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19a6ce16/2c7c7311fd6343af9d826e2389e060b0/FLAGa4011eb0c [2019-11-26 00:21:15,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19a6ce16/2c7c7311fd6343af9d826e2389e060b0 [2019-11-26 00:21:15,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:21:15,885 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 00:21:15,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:21:15,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:21:15,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:21:15,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:21:15" (1/1) ... [2019-11-26 00:21:15,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7198d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:15, skipping insertion in model container [2019-11-26 00:21:15,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:21:15" (1/1) ... [2019-11-26 00:21:15,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:21:16,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:21:27,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:21:27,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:21:28,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:21:32,439 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:21:32,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32 WrapperNode [2019-11-26 00:21:32,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:21:32,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 00:21:32,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 00:21:32,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 00:21:32,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:32,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:33,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 00:21:33,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:21:33,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:21:33,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:21:33,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:33,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:33,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:33,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:34,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:35,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:35,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:32" (1/1) ... [2019-11-26 00:21:35,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:21:35,347 INFO L168 Benchmark]: Toolchain (without parser) took 19458.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 869.4 MB in the end (delta: 74.9 MB). Peak memory consumption was 321.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:35,353 INFO L168 Benchmark]: CDTParser took 2.43 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. [2019-11-26 00:21:35,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 16557.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 810.0 MB in the end (delta: 134.4 MB). Peak memory consumption was 307.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:35,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 1363.80 ms. Allocated memory is still 1.0 GB. Free memory was 810.0 MB in the beginning and 725.4 MB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:35,361 INFO L168 Benchmark]: Boogie Preprocessor took 1525.69 ms. Allocated memory is still 1.0 GB. Free memory was 725.4 MB in the beginning and 869.4 MB in the end (delta: -144.1 MB). Peak memory consumption was 102.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:21:35,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 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 16557.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.3 MB in the beginning and 810.0 MB in the end (delta: 134.4 MB). Peak memory consumption was 307.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1363.80 ms. Allocated memory is still 1.0 GB. Free memory was 810.0 MB in the beginning and 725.4 MB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1525.69 ms. Allocated memory is still 1.0 GB. Free memory was 725.4 MB in the beginning and 869.4 MB in the end (delta: -144.1 MB). Peak memory consumption was 102.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...