./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o1000.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/id_o1000.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 1e0532bbbd1b8323cab1aad812e975719d350ed7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/id_o1000.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 1e0532bbbd1b8323cab1aad812e975719d350ed7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:20,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:20,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:20,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:20,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:20,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:20,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:20,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:20,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:20,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:20,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:20,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:20,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:20,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:20,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:20,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:20,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:20,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:20,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:20,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:20,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:20,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:20,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:20,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:20,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:20,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:20,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:20,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:20,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:20,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:20,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:20,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:20,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:20,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:20,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:20,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:20,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:20,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:20,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:20,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:20,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:20,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:20,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:20,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:20,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:20,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:20,986 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:20,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:20,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:20,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:20,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:20,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:20,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:20,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:20,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:20,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:20,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:20,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:20,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:20,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:20,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:20,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:20,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:20,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:20,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:20,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:21,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:21,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:21,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:21,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:21,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:21,004 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 -> 1e0532bbbd1b8323cab1aad812e975719d350ed7 [2019-11-24 21:18:21,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:21,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:21,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:21,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:21,638 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:21,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o1000.c [2019-11-24 21:18:21,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66800e5cb/7a050f0c1b2a4d9db9b40b5b0deec4f5/FLAG2e6c66941 [2019-11-24 21:18:22,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:22,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o1000.c [2019-11-24 21:18:22,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66800e5cb/7a050f0c1b2a4d9db9b40b5b0deec4f5/FLAG2e6c66941 [2019-11-24 21:18:22,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66800e5cb/7a050f0c1b2a4d9db9b40b5b0deec4f5 [2019-11-24 21:18:22,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:22,955 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:22,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:22,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:22,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:22,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22, skipping insertion in model container [2019-11-24 21:18:22,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:23,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:23,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:23,536 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:23,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:23,601 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:23,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23 WrapperNode [2019-11-24 21:18:23,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:23,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:23,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:23,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:23,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:23,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:23,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:23,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,862 INFO L168 Benchmark]: Toolchain (without parser) took 897.54 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,865 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-24 21:18:23,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.43 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. [2019-11-24 21:18:23,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.25 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. [2019-11-24 21:18:23,873 INFO L168 Benchmark]: Boogie Preprocessor took 37.83 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 650.43 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 192.25 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 37.83 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:27,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:27,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:27,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:27,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:27,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:27,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:27,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:27,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:27,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:27,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:28,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:28,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:28,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:28,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:28,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:28,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:28,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:28,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:28,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:28,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:28,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:28,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:28,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:28,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:28,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:28,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:28,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:28,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:28,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:28,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:28,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:28,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:28,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:28,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:28,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:28,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:28,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:28,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:28,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:28,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:28,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:28,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:28,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:28,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:28,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:28,153 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:28,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:28,156 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:28,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:28,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:28,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:28,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:28,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:28,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:28,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:28,162 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:28,165 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:28,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:28,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:28,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:28,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:28,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:28,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:28,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:28,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:28,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:28,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:28,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:28,170 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:28,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:28,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:28,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:28,175 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 -> 1e0532bbbd1b8323cab1aad812e975719d350ed7 [2019-11-24 21:18:28,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:28,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:28,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:28,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:28,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:28,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o1000.c [2019-11-24 21:18:28,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59b6522ac/613a2c3f6a5b4307bab8d7f3fbcd9489/FLAGa6adb242b [2019-11-24 21:18:30,054 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:30,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o1000.c [2019-11-24 21:18:30,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59b6522ac/613a2c3f6a5b4307bab8d7f3fbcd9489/FLAGa6adb242b [2019-11-24 21:18:30,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59b6522ac/613a2c3f6a5b4307bab8d7f3fbcd9489 [2019-11-24 21:18:30,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:30,125 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:30,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:30,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:30,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:30,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153481d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30, skipping insertion in model container [2019-11-24 21:18:30,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:30,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:30,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:30,679 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:30,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:30,755 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:30,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30 WrapperNode [2019-11-24 21:18:30,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:30,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:30,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:30,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:30,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:30,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:30,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:30,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:30,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:30" (1/1) ... [2019-11-24 21:18:30,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:31,006 INFO L168 Benchmark]: Toolchain (without parser) took 875.22 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. [2019-11-24 21:18:31,009 INFO L168 Benchmark]: CDTParser took 0.64 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. [2019-11-24 21:18:31,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.20 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. [2019-11-24 21:18:31,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.40 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. [2019-11-24 21:18:31,024 INFO L168 Benchmark]: Boogie Preprocessor took 53.73 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. [2019-11-24 21:18:31,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 632.20 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 178.40 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 53.73 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...