./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/list-ext3-properties/sll_circular_traversal-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-ext3-properties/sll_circular_traversal-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:15,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:15,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:15,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:15,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:15,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:15,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:15,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:15,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:15,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:15,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:15,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:15,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:15,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:15,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:15,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:15,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:15,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:15,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:15,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:15,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:15,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:15,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:15,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:15,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:15,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:15,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:15,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:15,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:15,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:15,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:16,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:16,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:16,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:16,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:16,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:16,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:16,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:16,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:16,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:16,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:16,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:16,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:16,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:16,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:16,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:16,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:16,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:16,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:16,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:16,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:16,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:16,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:16,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:16,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:16,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:16,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:16,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:16,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:16,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:16,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:16,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:16,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:16,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:16,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:16,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:16,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:16,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:16,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:16,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:16,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:16,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-24 21:09:16,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:16,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:16,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:16,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:16,767 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:16,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-24 21:09:16,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8676134/6d60ba98b3924ddc965ecb659d19a6e4/FLAGbf3d7707f [2019-11-24 21:09:18,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:18,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-24 21:09:18,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8676134/6d60ba98b3924ddc965ecb659d19a6e4/FLAGbf3d7707f [2019-11-24 21:09:18,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8676134/6d60ba98b3924ddc965ecb659d19a6e4 [2019-11-24 21:09:18,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:18,256 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:18,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:18,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:18,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:18,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:18" (1/1) ... [2019-11-24 21:09:18,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7250b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:18, skipping insertion in model container [2019-11-24 21:09:18,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:18" (1/1) ... [2019-11-24 21:09:18,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:18,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:19,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:19,319 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:19,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:19,547 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:19,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19 WrapperNode [2019-11-24 21:09:19,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:19,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:19,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:19,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:19,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:19,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:19,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:19,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:19,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:19" (1/1) ... [2019-11-24 21:09:19,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:19,801 INFO L168 Benchmark]: Toolchain (without parser) took 1530.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:19,804 INFO L168 Benchmark]: CDTParser took 2.24 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. [2019-11-24 21:09:19,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:19,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.30 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:19,812 INFO L168 Benchmark]: Boogie Preprocessor took 85.68 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:19,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.24 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 1285.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.30 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.68 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. 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 0.1.24-32f2683 [2019-11-24 21:09:23,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:23,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:23,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:23,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:23,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:23,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:23,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:23,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:23,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:23,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:23,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:23,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:23,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:23,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:23,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:23,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:23,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:23,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:23,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:23,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:23,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:23,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:23,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:23,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:23,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:23,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:23,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:23,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:23,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:23,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:23,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:23,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:23,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:23,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:23,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:23,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:23,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:23,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:23,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:23,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:23,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:23,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:23,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:23,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:23,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:23,958 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:23,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:23,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:23,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:23,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:23,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:23,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:23,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:23,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:23,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:23,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:23,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:23,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:23,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:23,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:23,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:23,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:23,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:23,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:23,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:23,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:23,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:23,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:23,973 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:23,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:23,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:23,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:23,977 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-24 21:09:24,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:24,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:24,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:24,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:24,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:24,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-24 21:09:24,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc36f89f1/6a70d1ef77bc4ec98a99ef16d40d880b/FLAGa2551c0b7 [2019-11-24 21:09:25,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:25,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-24 21:09:26,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc36f89f1/6a70d1ef77bc4ec98a99ef16d40d880b/FLAGa2551c0b7 [2019-11-24 21:09:26,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc36f89f1/6a70d1ef77bc4ec98a99ef16d40d880b [2019-11-24 21:09:26,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:26,079 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:26,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:26,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:26,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:26,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:26, skipping insertion in model container [2019-11-24 21:09:26,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:26" (1/1) ... [2019-11-24 21:09:26,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:26,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:27,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:27,124 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:27,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:27,382 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:27,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27 WrapperNode [2019-11-24 21:09:27,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:27,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:27,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:27,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:27,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:27,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:27,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:27,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:27,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:27" (1/1) ... [2019-11-24 21:09:27,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:27,677 INFO L168 Benchmark]: Toolchain (without parser) took 1588.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 658.0 kB). Peak memory consumption was 723.5 kB. Max. memory is 12.5 GB. [2019-11-24 21:09:27,679 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-24 21:09:27,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:27,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:27,689 INFO L168 Benchmark]: Boogie Preprocessor took 107.53 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:27,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1296.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.53 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...