./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/lcp.c --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/verifythis/lcp.c -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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/lcp.c -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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:05:03,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:03,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:03,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:03,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:03,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:03,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:03,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:03,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:03,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:03,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:03,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:03,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:03,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:03,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:03,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:03,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:03,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:03,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:03,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:03,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:03,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:03,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:03,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:03,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:03,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:03,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:03,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:03,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:03,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:03,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:03,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:04,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:04,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:04,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:04,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:04,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:04,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:04,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:04,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:04,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:04,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:04,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:04,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:04,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:04,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:04,069 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:04,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:04,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:04,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:04,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:04,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:04,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:04,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:04,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:04,077 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:04,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:04,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:04,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:04,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:04,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:04,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:04,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:04,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:04,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:04,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:04,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:04,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:04,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:04,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:04,083 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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-11-26 17:05:04,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:04,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:04,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:04,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:04,687 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:04,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-26 17:05:04,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea62b612/cee3531aa2314b0c827bd910695c987d/FLAGf438da5a2 [2019-11-26 17:05:05,883 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:05,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-26 17:05:05,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea62b612/cee3531aa2314b0c827bd910695c987d/FLAGf438da5a2 [2019-11-26 17:05:06,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea62b612/cee3531aa2314b0c827bd910695c987d [2019-11-26 17:05:06,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:06,025 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:06,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:06,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:06,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:06,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06, skipping insertion in model container [2019-11-26 17:05:06,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:06,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:06,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:06,539 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:06,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:06,712 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:06,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06 WrapperNode [2019-11-26 17:05:06,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:06,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:06,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:06,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:06,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:06,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:06,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:06,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:06,903 INFO L168 Benchmark]: Toolchain (without parser) took 873.79 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:06,904 INFO L168 Benchmark]: CDTParser took 2.55 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 17:05:06,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.68 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:06,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:06,927 INFO L168 Benchmark]: Boogie Preprocessor took 68.13 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:06,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 688.68 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.13 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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 17:05:10,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:10,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:10,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:10,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:10,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:10,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:10,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:10,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:10,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:10,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:10,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:10,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:10,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:10,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:10,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:10,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:10,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:10,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:10,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:10,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:10,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:10,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:10,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:10,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:10,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:10,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:10,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:10,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:10,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:10,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:10,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:10,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:10,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:10,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:10,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:10,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:10,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:10,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:10,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:10,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:10,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:10,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:10,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:10,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:10,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:10,971 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:10,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:10,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:10,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:10,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:10,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:10,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:10,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:10,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:10,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:10,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:10,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:10,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:10,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:10,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:10,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:10,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:10,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:10,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:10,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:10,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:10,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:10,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:10,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:10,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:10,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:10,989 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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-11-26 17:05:11,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:11,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:11,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:11,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:11,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:11,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-26 17:05:11,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8569cea65/76f6edf81aea4c63a2e48344873b83ef/FLAG4c4ac2cd4 [2019-11-26 17:05:12,804 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:12,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-26 17:05:12,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8569cea65/76f6edf81aea4c63a2e48344873b83ef/FLAG4c4ac2cd4 [2019-11-26 17:05:12,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8569cea65/76f6edf81aea4c63a2e48344873b83ef [2019-11-26 17:05:12,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:12,870 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:12,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:12,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:12,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:12,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12, skipping insertion in model container [2019-11-26 17:05:12,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:12,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:13,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:13,478 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:13,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:13,679 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:13,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13 WrapperNode [2019-11-26 17:05:13,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:13,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:13,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:13,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:13,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:13,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:13,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:13,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:13,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:13" (1/1) ... [2019-11-26 17:05:13,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:13,946 INFO L168 Benchmark]: Toolchain (without parser) took 1074.92 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:13,951 INFO L168 Benchmark]: CDTParser took 2.48 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 17:05:13,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.37 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:13,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:13,959 INFO L168 Benchmark]: Boogie Preprocessor took 103.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:13,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 813.37 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 136.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...