./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:14:27,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:27,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:27,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:27,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:27,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:27,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:27,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:27,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:27,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:27,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:27,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:27,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:27,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:27,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:27,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:27,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:27,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:27,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:27,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:27,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:27,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:27,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:27,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:27,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:27,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:27,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:27,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:27,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:27,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:27,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:27,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:27,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:27,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:27,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:27,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:27,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:27,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:27,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:27,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:27,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:27,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:27,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:27,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:27,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:27,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:27,971 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:27,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:27,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:27,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:27,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:27,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:27,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:27,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:27,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:27,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:27,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:27,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:27,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:27,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:27,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:27,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:27,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:27,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:27,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:27,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:27,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:27,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:27,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:27,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:27,987 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-27 16:14:28,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:28,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:28,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:28,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:28,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:28,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-27 16:14:28,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2ed74d3/4e0cf1b279bf4189b0dda8e32843ba4f/FLAGf3a07e0a1 [2019-11-27 16:14:29,941 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:29,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-27 16:14:29,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2ed74d3/4e0cf1b279bf4189b0dda8e32843ba4f/FLAGf3a07e0a1 [2019-11-27 16:14:30,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2ed74d3/4e0cf1b279bf4189b0dda8e32843ba4f [2019-11-27 16:14:30,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:30,020 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:30,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:30,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:30,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:30,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:30,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30, skipping insertion in model container [2019-11-27 16:14:30,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:30,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:30,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:30,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:30,668 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:30,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:30,967 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:30,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30 WrapperNode [2019-11-27 16:14:30,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:30,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:30,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:30,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:30,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:31,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:31,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:31,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:31,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:30" (1/1) ... [2019-11-27 16:14:31,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:31,240 INFO L168 Benchmark]: Toolchain (without parser) took 1216.99 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:31,244 INFO L168 Benchmark]: CDTParser took 1.24 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 16:14:31,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.90 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:31,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.57 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:31,256 INFO L168 Benchmark]: Boogie Preprocessor took 112.67 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:31,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 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 946.90 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.57 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 112.67 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 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 0.1.24-509859d [2019-11-27 16:14:35,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:35,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:35,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:35,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:35,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:35,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:35,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:35,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:35,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:35,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:35,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:35,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:35,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:35,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:35,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:35,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:35,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:35,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:35,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:35,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:35,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:35,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:35,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:35,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:35,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:35,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:35,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:35,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:35,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:35,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:35,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:35,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:35,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:35,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:35,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:35,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:35,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:35,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:35,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:35,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:35,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:35,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:35,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:35,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:35,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:35,451 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:35,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:35,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:35,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:35,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:35,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:35,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:35,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:35,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:35,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:35,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:35,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:35,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:35,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:35,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:35,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:35,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:35,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:35,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:35,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:35,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:35,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:35,467 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:35,467 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:35,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:35,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:35,469 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-27 16:14:36,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:36,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:36,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:36,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:36,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:36,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-27 16:14:36,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada47e38f/def97c62323a4100bc153a864abf231b/FLAG625a46347 [2019-11-27 16:14:37,389 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:37,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-27 16:14:37,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada47e38f/def97c62323a4100bc153a864abf231b/FLAG625a46347 [2019-11-27 16:14:37,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada47e38f/def97c62323a4100bc153a864abf231b [2019-11-27 16:14:37,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:37,473 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:37,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:37,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:37,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:37,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:37" (1/1) ... [2019-11-27 16:14:37,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:37, skipping insertion in model container [2019-11-27 16:14:37,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:37" (1/1) ... [2019-11-27 16:14:37,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:37,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:38,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:38,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:38,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:38,366 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:38,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38 WrapperNode [2019-11-27 16:14:38,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:38,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:38,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:38,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:38,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:38,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:38,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:38,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:38,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:38" (1/1) ... [2019-11-27 16:14:38,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:38,657 INFO L168 Benchmark]: Toolchain (without parser) took 1182.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.8 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:38,659 INFO L168 Benchmark]: CDTParser took 1.49 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 16:14:38,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:38,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:38,673 INFO L168 Benchmark]: Boogie Preprocessor took 99.65 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:38,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 890.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.65 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 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...