./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/gcd01-1.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/recursive/gcd01-1.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 0497b69437c9ebb889888bdb31aaefcc8eaad029 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/recursive/gcd01-1.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 0497b69437c9ebb889888bdb31aaefcc8eaad029 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:59:34,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:34,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:34,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:34,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:34,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:34,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:34,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:34,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:34,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:34,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:34,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:34,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:34,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:34,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:34,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:34,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:34,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:34,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:34,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:34,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:34,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:34,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:35,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:35,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:35,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:35,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:35,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:35,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:35,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:35,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:35,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:35,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:35,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:35,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:35,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:35,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:35,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:35,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:35,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:35,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:35,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:35,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:35,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:35,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:35,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:35,069 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:35,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:35,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:35,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:35,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:35,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:35,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:35,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:35,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:35,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:35,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:35,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:35,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:35,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:35,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:35,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:35,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:35,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:35,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:35,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:35,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:35,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:35,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:35,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:35,082 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 -> 0497b69437c9ebb889888bdb31aaefcc8eaad029 [2019-11-27 09:59:35,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:35,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:35,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:35,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:35,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:35,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/gcd01-1.c [2019-11-27 09:59:35,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657f5f15b/920e068b0c6e4e4d8773cc7f89e01d42/FLAG7d06bcda9 [2019-11-27 09:59:36,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:36,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd01-1.c [2019-11-27 09:59:36,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657f5f15b/920e068b0c6e4e4d8773cc7f89e01d42/FLAG7d06bcda9 [2019-11-27 09:59:37,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657f5f15b/920e068b0c6e4e4d8773cc7f89e01d42 [2019-11-27 09:59:37,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:37,120 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:37,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:37,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:37,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:37,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420663f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37, skipping insertion in model container [2019-11-27 09:59:37,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:37,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:37,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:37,665 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:37,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:37,719 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:37,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37 WrapperNode [2019-11-27 09:59:37,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:37,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:37,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:37,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:37,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:37,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:37,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:37,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:37,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:37,960 INFO L168 Benchmark]: Toolchain (without parser) took 834.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:37,963 INFO L168 Benchmark]: CDTParser took 1.32 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 09:59:37,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.06 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 09:59:37,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.73 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:37,974 INFO L168 Benchmark]: Boogie Preprocessor took 67.59 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:37,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 598.06 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 154.73 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.59 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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-da95e15 [2019-11-27 09:59:41,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:41,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:42,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:42,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:42,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:42,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:42,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:42,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:42,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:42,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:42,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:42,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:42,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:42,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:42,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:42,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:42,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:42,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:42,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:42,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:42,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:42,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:42,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:42,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:42,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:42,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:42,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:42,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:42,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:42,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:42,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:42,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:42,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:42,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:42,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:42,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:42,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:42,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:42,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:42,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:42,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:42,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:42,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:42,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:42,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:42,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:42,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:42,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:42,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:42,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:42,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:42,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:42,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:42,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:42,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:42,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:42,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:42,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:42,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:42,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:42,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:42,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:42,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:42,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:42,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:42,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:42,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:42,221 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:42,221 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:42,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:42,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:42,224 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 -> 0497b69437c9ebb889888bdb31aaefcc8eaad029 [2019-11-27 09:59:42,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:42,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:42,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:42,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:42,803 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:42,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/gcd01-1.c [2019-11-27 09:59:42,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4205f7d8f/835414fc99cb450ebfcf2c6b3b4041e2/FLAG21af4dede [2019-11-27 09:59:43,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:43,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd01-1.c [2019-11-27 09:59:43,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4205f7d8f/835414fc99cb450ebfcf2c6b3b4041e2/FLAG21af4dede [2019-11-27 09:59:44,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4205f7d8f/835414fc99cb450ebfcf2c6b3b4041e2 [2019-11-27 09:59:44,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:44,131 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:44,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:44,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:44,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:44,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8ee707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44, skipping insertion in model container [2019-11-27 09:59:44,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:44,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:44,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:44,685 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:44,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:44,772 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:44,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44 WrapperNode [2019-11-27 09:59:44,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:44,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:44,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:44,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:44,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:44,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:44,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:44,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:44,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:44,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:45,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:45,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:45,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:44" (1/1) ... [2019-11-27 09:59:45,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:45,038 INFO L168 Benchmark]: Toolchain (without parser) took 900.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.1 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:45,039 INFO L168 Benchmark]: CDTParser took 2.67 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 09:59:45,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.31 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:45,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:45,046 INFO L168 Benchmark]: Boogie Preprocessor took 69.64 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. [2019-11-27 09:59:45,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67 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 643.31 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 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 180.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.64 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...