./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_2x3-2.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/recursive-simple/sum_2x3-2.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 5484cff0bd7499490d21ca1aa6f81abc8cec50b0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-simple/sum_2x3-2.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 5484cff0bd7499490d21ca1aa6f81abc8cec50b0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:57,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:57,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:58,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:58,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:58,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:58,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:58,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:58,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:58,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:58,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:58,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:58,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:58,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:58,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:58,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:58,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:58,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:58,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:58,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:58,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:58,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:58,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:58,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:58,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:58,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:58,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:58,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:58,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:58,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:58,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:58,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:58,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:58,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:58,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:58,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:58,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:58,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:58,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:58,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:58,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:58,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:58,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:58,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:58,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:58,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:58,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:58,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:58,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:58,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:58,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:58,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:58,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:58,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:58,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:58,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:58,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:58,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:58,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:58,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:58,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:58,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:58,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:58,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:58,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:58,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:58,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:58,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:58,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:58,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:58,230 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 -> 5484cff0bd7499490d21ca1aa6f81abc8cec50b0 [2019-11-27 16:21:58,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:58,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:58,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:58,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:58,846 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:58,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2019-11-27 16:21:59,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54e59de3/2df4b87713974b42bbec03928ea7cbaf/FLAG8ae81c8c5 [2019-11-27 16:22:00,047 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:00,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2019-11-27 16:22:00,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54e59de3/2df4b87713974b42bbec03928ea7cbaf/FLAG8ae81c8c5 [2019-11-27 16:22:00,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54e59de3/2df4b87713974b42bbec03928ea7cbaf [2019-11-27 16:22:00,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:00,119 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:00,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:00,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:00,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:00,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3ffb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00, skipping insertion in model container [2019-11-27 16:22:00,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:00,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:00,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:00,564 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:00,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:00,604 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:00,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00 WrapperNode [2019-11-27 16:22:00,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:00,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:00,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:00,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:00,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:00,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,806 INFO L168 Benchmark]: Toolchain (without parser) took 668.04 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,809 INFO L168 Benchmark]: CDTParser took 0.33 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 16:22:00,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.01 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 16:22:00,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.81 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:00,817 INFO L168 Benchmark]: Boogie Preprocessor took 118.67 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 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 481.01 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 51.81 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.67 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 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 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 0.1.24-509859d [2019-11-27 16:22:04,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:04,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:04,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:04,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:04,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:04,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:04,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:04,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:04,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:04,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:04,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:04,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:04,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:04,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:04,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:04,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:04,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:04,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:04,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:04,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:04,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:04,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:04,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:04,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:04,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:04,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:04,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:04,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:04,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:04,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:04,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:04,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:04,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:04,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:04,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:04,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:04,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:04,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:04,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:04,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:05,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:05,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:05,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:05,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:05,034 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:05,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:05,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:05,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:05,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:05,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:05,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:05,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:05,042 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:05,042 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:05,043 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:05,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:05,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:05,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:05,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:05,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:05,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:05,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:05,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:05,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:05,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:05,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:05,047 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:05,049 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:05,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:05,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:05,051 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 -> 5484cff0bd7499490d21ca1aa6f81abc8cec50b0 [2019-11-27 16:22:05,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:05,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:05,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:05,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:05,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:05,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2019-11-27 16:22:05,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b356d56/060d2bb57a8848aaad02a2e7e0124b6c/FLAGbac0b3049 [2019-11-27 16:22:06,934 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:06,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2019-11-27 16:22:06,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b356d56/060d2bb57a8848aaad02a2e7e0124b6c/FLAGbac0b3049 [2019-11-27 16:22:06,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b356d56/060d2bb57a8848aaad02a2e7e0124b6c [2019-11-27 16:22:07,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:07,008 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:07,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:07,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:07,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:07,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07, skipping insertion in model container [2019-11-27 16:22:07,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:07,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:07,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:07,553 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:07,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:07,625 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07 WrapperNode [2019-11-27 16:22:07,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:07,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:07,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:07,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:07,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:07,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,835 INFO L168 Benchmark]: Toolchain (without parser) took 811.45 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:07,837 INFO L168 Benchmark]: CDTParser took 0.37 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 16:22:07,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.44 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 16:22:07,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.89 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 16:22:07,847 INFO L168 Benchmark]: Boogie Preprocessor took 34.29 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 16:22:07,859 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 614.44 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 147.89 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 34.29 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...