./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-lopstr16/single_elem_safe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/array-lopstr16/single_elem_safe.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 2ed5365b2d83561bd2cd6d75e2aac27ccc465829 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-lopstr16/single_elem_safe.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 2ed5365b2d83561bd2cd6d75e2aac27ccc465829 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:31:00,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:00,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:00,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:00,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:00,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:00,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:00,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:00,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:00,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:00,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:00,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:00,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:00,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:00,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:00,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:00,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:00,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:00,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:00,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:00,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:00,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:00,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:00,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:00,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:00,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:00,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:00,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:00,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:00,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:00,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:00,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:00,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:00,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:00,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:00,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:00,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:00,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:00,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:00,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:00,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:31:00,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:00,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:00,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:00,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:00,945 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:00,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:00,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:00,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:31:00,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:00,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:00,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:00,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:00,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:00,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:00,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:00,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:00,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:00,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:00,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:00,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:00,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:00,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:00,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:00,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:00,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:00,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:31:00,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:31:00,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:00,959 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 -> 2ed5365b2d83561bd2cd6d75e2aac27ccc465829 [2019-11-26 16:31:01,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:01,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:01,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:01,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:01,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:01,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2019-11-26 16:31:01,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2360eea38/e0c86e68912e4d05a3fc1c390ffd91d7/FLAGbae3faa09 [2019-11-26 16:31:02,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:02,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2019-11-26 16:31:02,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2360eea38/e0c86e68912e4d05a3fc1c390ffd91d7/FLAGbae3faa09 [2019-11-26 16:31:02,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2360eea38/e0c86e68912e4d05a3fc1c390ffd91d7 [2019-11-26 16:31:02,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:02,900 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:02,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:02,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:02,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:02,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:02" (1/1) ... [2019-11-26 16:31:02,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:02, skipping insertion in model container [2019-11-26 16:31:02,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:02" (1/1) ... [2019-11-26 16:31:02,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:03,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:03,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:03,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:03,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:03,768 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:03,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03 WrapperNode [2019-11-26 16:31:03,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:03,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:03,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:03,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:03,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:03,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:03,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:03,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:03,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:03" (1/1) ... [2019-11-26 16:31:03,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:03,997 INFO L168 Benchmark]: Toolchain (without parser) took 1090.44 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 991.4 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:03,998 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-26 16:31:04,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:04,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:04,018 INFO L168 Benchmark]: Boogie Preprocessor took 90.85 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:04,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 867.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.22 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 90.85 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-025d5a2 [2019-11-26 16:31:07,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:07,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:07,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:07,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:07,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:07,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:07,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:07,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:07,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:07,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:07,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:07,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:07,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:07,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:07,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:07,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:07,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:07,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:08,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:08,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:08,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:08,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:08,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:08,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:08,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:08,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:08,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:08,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:08,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:08,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:08,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:08,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:08,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:08,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:08,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:08,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:08,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:08,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:08,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:08,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:08,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:08,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:08,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:08,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:08,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:08,157 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:08,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:08,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:08,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:08,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:08,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:08,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:08,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:08,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:08,167 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:08,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:08,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:08,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:08,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:08,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:08,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:08,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:08,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:08,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:08,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:08,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:08,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:08,173 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:08,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:08,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:08,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:08,176 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 -> 2ed5365b2d83561bd2cd6d75e2aac27ccc465829 [2019-11-26 16:31:08,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:08,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:08,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:08,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:08,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:08,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2019-11-26 16:31:09,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5f8481/bfc1745e61494c1bb4232050c7d66f6c/FLAGf255d690a [2019-11-26 16:31:10,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:10,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2019-11-26 16:31:10,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5f8481/bfc1745e61494c1bb4232050c7d66f6c/FLAGf255d690a [2019-11-26 16:31:10,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5f8481/bfc1745e61494c1bb4232050c7d66f6c [2019-11-26 16:31:10,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:10,160 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:10,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:10,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:10,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:10,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:10,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10, skipping insertion in model container [2019-11-26 16:31:10,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:10,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:10,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:10,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:10,740 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:10,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:10,953 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:10,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10 WrapperNode [2019-11-26 16:31:10,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:10,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:10,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:10,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:10,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:11,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:11,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:11,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:11,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:11,175 INFO L168 Benchmark]: Toolchain (without parser) took 1010.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,176 INFO L168 Benchmark]: CDTParser took 2.86 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 16:31:11,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.97 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:11,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,181 INFO L168 Benchmark]: Boogie Preprocessor took 87.34 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.86 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 789.97 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.34 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...