./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_25x0-2.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/sum_25x0-2.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 59acfc6d5178664a3f2144603274c2b6e876292a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_25x0-2.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 59acfc6d5178664a3f2144603274c2b6e876292a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:18:24,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:24,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:24,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:24,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:24,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:24,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:24,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:24,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:24,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:24,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:24,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:24,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:24,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:24,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:24,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:24,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:24,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:24,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:24,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:24,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:24,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:24,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:24,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:24,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:24,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:24,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:24,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:24,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:24,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:24,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:24,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:24,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:24,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:24,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:24,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:24,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:24,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:24,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:24,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:24,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:24,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:25,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:25,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:25,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:25,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:25,056 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:25,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:25,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:25,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:25,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:25,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:25,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:25,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:25,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:25,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:25,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:25,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:25,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:25,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:25,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:25,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:25,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:25,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:25,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:25,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:25,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:25,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:25,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:25,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:25,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:25,076 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 -> 59acfc6d5178664a3f2144603274c2b6e876292a [2019-11-24 21:18:25,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:25,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:25,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:25,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:25,675 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:25,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-24 21:18:25,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88d945124/87dfb2171b904c93bfa53286153c2335/FLAG4483789cc [2019-11-24 21:18:26,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:26,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-24 21:18:26,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88d945124/87dfb2171b904c93bfa53286153c2335/FLAG4483789cc [2019-11-24 21:18:26,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88d945124/87dfb2171b904c93bfa53286153c2335 [2019-11-24 21:18:26,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:26,902 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:26,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:26,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:26,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:26,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232dfd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26, skipping insertion in model container [2019-11-24 21:18:26,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:27,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:27,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,448 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:27,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,526 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:27,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27 WrapperNode [2019-11-24 21:18:27,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:27,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:27,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:27,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:27,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:27,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,753 INFO L168 Benchmark]: Toolchain (without parser) took 845.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:27,761 INFO L168 Benchmark]: CDTParser took 3.16 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 21:18:27,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.88 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 21:18:27,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.57 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:27,769 INFO L168 Benchmark]: Boogie Preprocessor took 129.13 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. [2019-11-24 21:18:27,780 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.16 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 617.88 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 84.57 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.13 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. 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 21:18:31,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:31,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:31,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:31,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:31,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:31,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:31,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:31,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:31,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:31,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:31,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:31,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:31,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:31,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:31,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:31,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:31,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:31,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:31,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:31,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:31,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:31,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:31,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:31,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:31,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:31,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:31,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:31,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:31,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:31,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:31,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:31,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:31,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:31,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:31,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:31,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:31,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:31,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:31,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:31,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:31,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:31,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:31,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:31,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:31,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:31,955 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:31,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:31,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:31,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:31,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:31,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:31,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:31,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:31,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:31,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:31,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:31,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:31,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:31,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:31,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:31,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:31,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:31,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:31,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:31,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:31,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:31,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:31,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:31,968 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:31,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:31,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:31,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:31,970 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 -> 59acfc6d5178664a3f2144603274c2b6e876292a [2019-11-24 21:18:32,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:32,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:32,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:32,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:32,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:32,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-24 21:18:32,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00325c27c/3584b403dd534946a969968070d35aaa/FLAG600a8f43b [2019-11-24 21:18:33,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:33,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-24 21:18:33,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00325c27c/3584b403dd534946a969968070d35aaa/FLAG600a8f43b [2019-11-24 21:18:33,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00325c27c/3584b403dd534946a969968070d35aaa [2019-11-24 21:18:33,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:33,797 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:33,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:33,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:33,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:33,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33, skipping insertion in model container [2019-11-24 21:18:33,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:33,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:34,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:34,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:34,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:34,376 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:34,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34 WrapperNode [2019-11-24 21:18:34,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:34,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:34,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:34,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:34,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:34,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:34,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:34,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:34,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:34" (1/1) ... [2019-11-24 21:18:34,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:34,634 INFO L168 Benchmark]: Toolchain (without parser) took 829.74 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 21:18:34,639 INFO L168 Benchmark]: CDTParser took 0.30 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 21:18:34,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.73 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. [2019-11-24 21:18:34,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:34,648 INFO L168 Benchmark]: Boogie Preprocessor took 55.89 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 21:18:34,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 576.73 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 173.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.89 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...