./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 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-65d6cd2 [2019-11-25 22:57:36,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:36,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:36,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:36,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:36,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:36,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:36,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:36,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:36,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:36,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:36,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:36,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:36,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:36,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:36,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:36,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:36,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:36,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:36,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:36,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:36,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:36,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:36,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:36,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:36,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:36,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:36,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:36,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:36,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:36,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:36,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:36,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:36,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:36,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:36,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:36,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:36,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:36,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:36,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:36,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:36,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:36,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:36,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:36,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:36,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:36,836 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:36,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:36,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:36,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:36,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:36,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:36,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:36,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:36,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:36,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:36,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:36,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:36,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:36,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:36,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:36,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:36,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:36,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:36,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:36,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:36,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:36,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:36,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:36,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:36,850 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 [2019-11-25 22:57:37,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:37,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:37,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:37,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:37,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:37,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-25 22:57:37,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09495ff99/4a99886ccd15470f85ead718c5446b09/FLAGcee8dc8a2 [2019-11-25 22:57:38,555 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:38,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-25 22:57:38,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09495ff99/4a99886ccd15470f85ead718c5446b09/FLAGcee8dc8a2 [2019-11-25 22:57:38,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09495ff99/4a99886ccd15470f85ead718c5446b09 [2019-11-25 22:57:38,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:38,718 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:38,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:38,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:38,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:38,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:38" (1/1) ... [2019-11-25 22:57:38,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:38, skipping insertion in model container [2019-11-25 22:57:38,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:38" (1/1) ... [2019-11-25 22:57:38,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:38,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:39,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:39,329 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:39,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:39,526 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:39,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39 WrapperNode [2019-11-25 22:57:39,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:39,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:39,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:39,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:39,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:39,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:39,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:39,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:39,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:39,743 INFO L168 Benchmark]: Toolchain (without parser) took 1006.20 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. [2019-11-25 22:57:39,744 INFO L168 Benchmark]: CDTParser took 1.00 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. [2019-11-25 22:57:39,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.54 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. [2019-11-25 22:57:39,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.84 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. [2019-11-25 22:57:39,753 INFO L168 Benchmark]: Boogie Preprocessor took 77.10 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. [2019-11-25 22:57:39,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00 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 805.54 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 115.84 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 77.10 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 0.1.24-65d6cd2 [2019-11-25 22:57:43,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:43,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:43,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:43,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:43,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:43,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:43,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:43,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:43,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:43,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:43,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:43,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:43,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:43,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:43,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:43,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:43,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:43,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:43,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:43,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:43,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:43,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:43,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:43,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:43,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:43,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:43,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:43,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:43,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:43,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:43,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:43,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:43,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:43,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:43,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:43,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:43,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:43,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:43,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:43,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:43,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:43,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:43,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:43,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:43,868 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:43,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:43,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:43,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:43,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:43,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:43,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:43,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:43,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:43,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:43,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:43,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:43,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:43,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:43,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:43,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:43,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:43,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:43,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:43,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:43,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:43,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:43,881 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:43,882 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:43,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:43,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:43,885 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 [2019-11-25 22:57:44,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:44,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:44,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:44,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:44,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:44,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-25 22:57:44,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d7dfa2/1528b7dda2c14b078bfcc5ab156a1415/FLAG00e8df21e [2019-11-25 22:57:45,658 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:45,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-25 22:57:45,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d7dfa2/1528b7dda2c14b078bfcc5ab156a1415/FLAG00e8df21e [2019-11-25 22:57:45,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b69d7dfa2/1528b7dda2c14b078bfcc5ab156a1415 [2019-11-25 22:57:45,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:45,811 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:45,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:45,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:45,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:45,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:45" (1/1) ... [2019-11-25 22:57:45,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:45, skipping insertion in model container [2019-11-25 22:57:45,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:45" (1/1) ... [2019-11-25 22:57:45,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:45,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:46,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:46,427 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:46,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:46,616 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46 WrapperNode [2019-11-25 22:57:46,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:46,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:46,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:46,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:46,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:46,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:46,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:46,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:46,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:46,811 INFO L168 Benchmark]: Toolchain (without parser) took 996.08 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 990.9 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:46,813 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-25 22:57:46,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.37 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:46,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.37 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 990.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:46,825 INFO L168 Benchmark]: Boogie Preprocessor took 73.92 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:46,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 802.37 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.37 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 990.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.92 ms. Allocated memory is still 1.0 GB. Free memory is still 990.9 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...