./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.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 9448a6696b4991e038dda55623feb6ffc9366da0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id2_i5_o5-2.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 9448a6696b4991e038dda55623feb6ffc9366da0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:16,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:16,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:16,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:16,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:16,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:16,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:16,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:16,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:16,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:16,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:16,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:16,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:16,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:16,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:16,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:16,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:16,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:16,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:16,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:16,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:16,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:16,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:16,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:16,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:16,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:16,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:16,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:16,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:16,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:16,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:16,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:16,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:16,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:16,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:16,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:16,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:16,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:16,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:16,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:16,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:17,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:17,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:17,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:17,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:17,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:17,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:17,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:17,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:17,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:17,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:17,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:17,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:17,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:17,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:17,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:17,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:17,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:17,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:17,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:17,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:17,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:17,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:17,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:17,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:17,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:17,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:17,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:17,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:17,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:17,066 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 -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2019-11-26 17:12:17,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:17,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:17,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:17,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:17,665 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:17,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2019-11-26 17:12:17,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7522e8811/1930bcf756f145ffac91d8149bf2e025/FLAG3f082e14b [2019-11-26 17:12:18,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:18,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2019-11-26 17:12:18,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7522e8811/1930bcf756f145ffac91d8149bf2e025/FLAG3f082e14b [2019-11-26 17:12:18,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7522e8811/1930bcf756f145ffac91d8149bf2e025 [2019-11-26 17:12:18,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:18,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:18,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:18,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:18,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18, skipping insertion in model container [2019-11-26 17:12:18,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:18,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:19,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:19,458 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:19,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:19,541 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:19,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19 WrapperNode [2019-11-26 17:12:19,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:19,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:19,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:19,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:19,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:19,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:19,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:19,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:19,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:19,788 INFO L168 Benchmark]: Toolchain (without parser) took 875.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:19,790 INFO L168 Benchmark]: CDTParser took 1.76 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:19,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:19,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:19,804 INFO L168 Benchmark]: Boogie Preprocessor took 55.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:19,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.76 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 635.91 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 175.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.42 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:23,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:23,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:23,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:23,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:23,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:23,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:23,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:23,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:23,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:23,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:23,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:23,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:23,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:23,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:23,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:23,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:23,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:23,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:23,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:23,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:23,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:23,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:23,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:23,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:23,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:23,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:23,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:23,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:23,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:23,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:23,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:23,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:23,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:23,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:23,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:23,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:23,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:23,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:23,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:23,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:23,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:23,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:23,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:23,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:23,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:23,989 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:23,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:23,990 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:23,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:23,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:23,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:23,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:23,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:23,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:23,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:23,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:23,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:23,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:23,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:24,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:24,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:24,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:24,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:24,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:24,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:24,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:24,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:24,004 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:24,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:24,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:24,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:24,006 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 -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2019-11-26 17:12:24,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:24,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:24,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:24,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:24,730 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:24,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2019-11-26 17:12:24,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd25547e/59d61c7c8d3d49dfb715e35a968f3ef2/FLAG09479dade [2019-11-26 17:12:25,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:25,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2019-11-26 17:12:25,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd25547e/59d61c7c8d3d49dfb715e35a968f3ef2/FLAG09479dade [2019-11-26 17:12:25,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd25547e/59d61c7c8d3d49dfb715e35a968f3ef2 [2019-11-26 17:12:25,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:25,997 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:26,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:26,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:26,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:26,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:26,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26, skipping insertion in model container [2019-11-26 17:12:26,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:26,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:26,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:26,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:26,535 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:26,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:26,609 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:26,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26 WrapperNode [2019-11-26 17:12:26,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:26,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:26,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:26,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:26,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:26,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:26,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:26,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:26,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:26,803 INFO L168 Benchmark]: Toolchain (without parser) took 805.34 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. [2019-11-26 17:12:26,805 INFO L168 Benchmark]: CDTParser took 0.49 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. [2019-11-26 17:12:26,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.27 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:26,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.05 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:26,811 INFO L168 Benchmark]: Boogie Preprocessor took 32.66 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. [2019-11-26 17:12:26,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 612.27 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 151.05 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.66 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...