./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm1.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/nla-digbench/lcm1.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 093505ea38d3426fa2a6ad5ac83682ac8063eb8d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/nla-digbench/lcm1.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 093505ea38d3426fa2a6ad5ac83682ac8063eb8d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:05:13,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:13,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:13,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:13,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:13,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:13,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:13,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:13,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:13,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:13,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:13,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:13,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:13,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:13,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:13,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:13,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:13,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:13,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:13,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:13,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:13,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:13,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:13,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:13,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:13,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:13,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:13,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:13,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:13,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:13,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:13,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:13,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:13,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:13,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:13,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:13,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:13,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:13,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:13,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:13,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:14,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:14,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:14,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:14,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:14,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:14,048 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:14,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:14,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:14,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:14,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:14,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:14,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:14,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:14,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:14,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:14,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:14,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:14,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:14,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:14,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:14,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:14,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:14,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:14,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:14,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:14,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:14,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:14,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:14,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:14,063 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 -> 093505ea38d3426fa2a6ad5ac83682ac8063eb8d [2019-11-26 17:05:14,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:14,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:14,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:14,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:14,671 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:14,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-26 17:05:14,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9763ff0fb/8eb02043709e453081ac28f1ff9cb903/FLAGd84b037b4 [2019-11-26 17:05:15,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:15,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-26 17:05:15,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9763ff0fb/8eb02043709e453081ac28f1ff9cb903/FLAGd84b037b4 [2019-11-26 17:05:15,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9763ff0fb/8eb02043709e453081ac28f1ff9cb903 [2019-11-26 17:05:15,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:15,985 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:15,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:15,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:16,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:16,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:16,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16, skipping insertion in model container [2019-11-26 17:05:16,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:16,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:16,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:16,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,503 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:16,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,594 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16 WrapperNode [2019-11-26 17:05:16,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:16,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:16,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:16,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:16,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:16,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,827 INFO L168 Benchmark]: Toolchain (without parser) took 834.36 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 17:05:16,828 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:16,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,849 INFO L168 Benchmark]: Boogie Preprocessor took 59.55 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 17:05:16,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 604.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.55 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. 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 17:05:20,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:20,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:20,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:20,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:20,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:20,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:20,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:20,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:20,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:20,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:20,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:20,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:20,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:20,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:20,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:20,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:20,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:20,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:20,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:20,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:20,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:20,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:20,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:20,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:20,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:20,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:20,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:20,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:20,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:20,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:20,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:20,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:20,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:20,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:20,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:20,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:20,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:20,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:20,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:20,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:20,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:20,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:20,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:20,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:20,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:20,925 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:20,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:20,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:20,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:20,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:20,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:20,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:20,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:20,932 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:20,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:20,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:20,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:20,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:20,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:20,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:20,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:20,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:20,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:20,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:20,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:20,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:20,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:20,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:20,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:20,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:20,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:20,943 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 -> 093505ea38d3426fa2a6ad5ac83682ac8063eb8d [2019-11-26 17:05:21,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:21,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:21,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:21,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:21,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:21,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-26 17:05:21,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcacb6b2a/a7a6157257974fd986c23d351c7dd3fa/FLAG819c793cb [2019-11-26 17:05:22,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:22,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-26 17:05:22,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcacb6b2a/a7a6157257974fd986c23d351c7dd3fa/FLAG819c793cb [2019-11-26 17:05:22,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcacb6b2a/a7a6157257974fd986c23d351c7dd3fa [2019-11-26 17:05:22,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:22,853 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:22,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:22,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:22,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:22,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f83d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:22, skipping insertion in model container [2019-11-26 17:05:22,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:22,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:23,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,380 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:23,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,568 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:23,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23 WrapperNode [2019-11-26 17:05:23,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:23,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:23,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:23,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:23,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:23,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,765 INFO L168 Benchmark]: Toolchain (without parser) took 908.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 17:05:23,768 INFO L168 Benchmark]: CDTParser took 0.48 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 17:05:23,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.15 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:23,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.12 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:23,777 INFO L168 Benchmark]: Boogie Preprocessor took 92.76 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:23,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 713.15 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.12 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.76 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...