./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-with-pointer/simple-recursive.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 676e29c704408ba5cb62ef3917e5c4d703cda2e4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-with-pointer/simple-recursive.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 676e29c704408ba5cb62ef3917e5c4d703cda2e4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:09,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:09,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:09,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:09,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:09,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:09,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:09,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:09,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:09,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:09,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:09,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:09,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:09,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:09,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:09,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:09,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:09,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:09,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:09,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:09,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:09,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:09,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:09,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:09,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:09,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:09,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:09,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:09,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:09,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:09,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:09,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:09,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:09,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:09,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:09,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:09,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:09,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:09,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:09,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:09,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:09,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:09,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:09,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:09,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:09,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:09,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:09,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:09,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:09,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:09,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:09,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:09,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:09,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:09,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:09,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:09,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:09,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:09,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:09,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:09,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:09,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:09,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:09,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:09,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:09,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:09,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:09,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:09,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:09,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:09,947 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 -> 676e29c704408ba5cb62ef3917e5c4d703cda2e4 [2019-11-27 10:00:10,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:10,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:10,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:10,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:10,444 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:10,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-11-27 10:00:10,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51cdf0db/975751d7bd32404eb9d635af73ba4fa5/FLAG18235ee07 [2019-11-27 10:00:11,271 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:11,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-11-27 10:00:11,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51cdf0db/975751d7bd32404eb9d635af73ba4fa5/FLAG18235ee07 [2019-11-27 10:00:11,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51cdf0db/975751d7bd32404eb9d635af73ba4fa5 [2019-11-27 10:00:11,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:11,582 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:11,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:11,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:11,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:11,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710f08b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11, skipping insertion in model container [2019-11-27 10:00:11,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:11,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:11,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:11,961 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:11,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:11,995 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:11,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11 WrapperNode [2019-11-27 10:00:11,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:11,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:11,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:11,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:12,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:12,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:12,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:12,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:12,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:12,133 INFO L168 Benchmark]: Toolchain (without parser) took 547.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:12,135 INFO L168 Benchmark]: CDTParser took 0.89 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 10:00:12,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.73 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 10:00:12,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.24 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:12,154 INFO L168 Benchmark]: Boogie Preprocessor took 31.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:12,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 414.73 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 97.24 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:14,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:14,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:14,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:14,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:14,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:14,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:14,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:14,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:14,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:14,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:14,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:14,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:14,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:14,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:14,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:14,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:14,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:14,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:14,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:14,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:14,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:14,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:14,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:14,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:14,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:14,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:14,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:14,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:14,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:14,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:14,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:14,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:14,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:14,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:14,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:14,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:14,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:14,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:14,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:14,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:15,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:15,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:15,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:15,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:15,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:15,032 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:15,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:15,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:15,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:15,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:15,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:15,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:15,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:15,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:15,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:15,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:15,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:15,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:15,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:15,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:15,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:15,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:15,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:15,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:15,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:15,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:15,042 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:15,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:15,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:15,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:15,046 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 -> 676e29c704408ba5cb62ef3917e5c4d703cda2e4 [2019-11-27 10:00:15,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:15,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:15,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:15,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:15,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:15,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-11-27 10:00:15,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a86c406/a043bd9ccd224a71b5a8359a920c65b9/FLAG1576e80a1 [2019-11-27 10:00:16,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:16,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-11-27 10:00:16,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a86c406/a043bd9ccd224a71b5a8359a920c65b9/FLAG1576e80a1 [2019-11-27 10:00:16,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a86c406/a043bd9ccd224a71b5a8359a920c65b9 [2019-11-27 10:00:16,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:16,691 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:16,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:16,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:16,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:16,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:16" (1/1) ... [2019-11-27 10:00:16,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4583e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:16, skipping insertion in model container [2019-11-27 10:00:16,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:16" (1/1) ... [2019-11-27 10:00:16,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:16,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:17,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:17,040 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:17,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:17,143 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:17,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17 WrapperNode [2019-11-27 10:00:17,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:17,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:17,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:17,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:17,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:17,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:17,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:17,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:17,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:17,240 INFO L168 Benchmark]: Toolchain (without parser) took 544.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.4 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:17,241 INFO L168 Benchmark]: CDTParser took 0.25 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 10:00:17,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:17,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.01 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:17,245 INFO L168 Benchmark]: Boogie Preprocessor took 48.46 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 985.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:17,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 450.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 35.01 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.46 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 985.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...