./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/bitvector/gcd_4.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 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/bitvector/gcd_4.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 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:12,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:12,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:12,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:12,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:12,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:12,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:12,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:12,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:12,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:12,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:12,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:12,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:12,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:12,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:12,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:12,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:12,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:12,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:12,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:12,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:12,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:12,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:12,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:12,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:12,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:12,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:12,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:12,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:12,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:12,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:12,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:12,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:12,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:12,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:12,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:12,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:12,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:12,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:12,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:12,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:12,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:12,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:12,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:12,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:12,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:12,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:12,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:12,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:12,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:12,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:12,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:12,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:12,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:12,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:12,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:12,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:12,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:12,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:12,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:12,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:12,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:12,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:12,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:12,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:12,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:12,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:12,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:12,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:12,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:12,995 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 -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2019-11-27 09:19:13,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:13,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:13,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:13,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:13,637 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:13,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_4.c [2019-11-27 09:19:13,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd357b79/cde55a10c72f42b28592eed9b2136252/FLAG4062da84f [2019-11-27 09:19:14,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:14,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2019-11-27 09:19:14,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd357b79/cde55a10c72f42b28592eed9b2136252/FLAG4062da84f [2019-11-27 09:19:14,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd357b79/cde55a10c72f42b28592eed9b2136252 [2019-11-27 09:19:14,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:14,948 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:14,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:14,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:14,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:14,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:14" (1/1) ... [2019-11-27 09:19:14,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:14, skipping insertion in model container [2019-11-27 09:19:14,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:14" (1/1) ... [2019-11-27 09:19:14,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:15,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:15,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:15,488 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:15,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:15,545 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:15,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15 WrapperNode [2019-11-27 09:19:15,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:15,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:15,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:15,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:15,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:15,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:15,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:15,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:15,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:15" (1/1) ... [2019-11-27 09:19:15,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:15,788 INFO L168 Benchmark]: Toolchain (without parser) took 838.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:15,805 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:15,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.08 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:15,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:15,814 INFO L168 Benchmark]: Boogie Preprocessor took 55.76 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:15,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 598.08 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 176.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.76 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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-da95e15 [2019-11-27 09:19:19,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:19,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:19,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:19,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:19,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:19,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:19,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:19,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:19,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:19,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:19,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:19,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:19,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:19,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:19,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:19,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:19,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:19,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:19,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:19,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:19,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:19,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:19,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:19,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:19,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:19,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:19,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:19,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:19,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:19,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:19,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:19,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:19,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:19,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:19,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:19,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:19,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:19,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:19,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:19,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:19,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:19,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:19,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:19,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:19,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:19,939 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:19,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:19,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:19,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:19,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:19,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:19,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:19,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:19,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:19,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:19,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:19,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:19,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:19,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:19,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:19,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:19,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:19,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:19,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:19,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:19,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:19,955 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:19,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:19,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:19,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:19,961 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 -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2019-11-27 09:19:20,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:20,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:20,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:20,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:20,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:20,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_4.c [2019-11-27 09:19:20,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf38249e/ce075643ddd9433da19dcd04c664b745/FLAG9d9413cdc [2019-11-27 09:19:21,825 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:21,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2019-11-27 09:19:21,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf38249e/ce075643ddd9433da19dcd04c664b745/FLAG9d9413cdc [2019-11-27 09:19:21,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf38249e/ce075643ddd9433da19dcd04c664b745 [2019-11-27 09:19:21,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:21,893 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:21,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:21,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:21,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:21,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:21" (1/1) ... [2019-11-27 09:19:21,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:21, skipping insertion in model container [2019-11-27 09:19:21,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:21" (1/1) ... [2019-11-27 09:19:21,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:22,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:22,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:22,479 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:22,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:22,535 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:22,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22 WrapperNode [2019-11-27 09:19:22,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:22,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:22,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:22,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:22,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:22,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:22,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:22,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:22,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:22" (1/1) ... [2019-11-27 09:19:22,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:22,814 INFO L168 Benchmark]: Toolchain (without parser) took 914.48 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. [2019-11-27 09:19:22,815 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 09:19:22,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.83 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. [2019-11-27 09:19:22,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.91 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:22,825 INFO L168 Benchmark]: Boogie Preprocessor took 87.66 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. [2019-11-27 09:19:22,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 640.83 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 172.91 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.66 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...