./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_10x0-1.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-simple/sum_10x0-1.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 b1d9bbb15ebabc8fa7bed11dd5ef1fc8e11e37bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_10x0-1.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 b1d9bbb15ebabc8fa7bed11dd5ef1fc8e11e37bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:00:04,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:04,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:04,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:04,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:04,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:04,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:04,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:04,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:04,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:04,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:04,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:04,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:04,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:04,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:04,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:04,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:04,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:04,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:04,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:04,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:04,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:04,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:04,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:04,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:04,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:04,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:04,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:04,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:04,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:04,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:04,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:04,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:04,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:04,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:04,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:04,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:04,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:04,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:04,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:04,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:04,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:04,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:04,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:04,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:04,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:04,980 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:04,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:04,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:04,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:04,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:04,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:04,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:04,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:04,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:04,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:04,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:04,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:04,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:04,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:04,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:04,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:04,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:04,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:04,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:04,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:04,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:04,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:05,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:05,001 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 -> b1d9bbb15ebabc8fa7bed11dd5ef1fc8e11e37bc [2019-11-27 10:00:05,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:05,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:05,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:05,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:05,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:05,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2019-11-27 10:00:05,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ee8d536/1aad1b72386740478e4c9791fb9478b4/FLAG79a443c80 [2019-11-27 10:00:06,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:06,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2019-11-27 10:00:06,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ee8d536/1aad1b72386740478e4c9791fb9478b4/FLAG79a443c80 [2019-11-27 10:00:06,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ee8d536/1aad1b72386740478e4c9791fb9478b4 [2019-11-27 10:00:06,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:06,982 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:06,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:06,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:06,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:06,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:07,009 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 27.11 10:00:07, skipping insertion in model container [2019-11-27 10:00:07,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:07,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:07,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:07,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,465 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:07,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,522 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:07,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07 WrapperNode [2019-11-27 10:00:07,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:07,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:07,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:07,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:07,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:07,799 INFO L168 Benchmark]: Toolchain (without parser) took 810.53 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. [2019-11-27 10:00:07,803 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:07,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.90 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 10:00:07,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.68 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. [2019-11-27 10:00:07,811 INFO L168 Benchmark]: Boogie Preprocessor took 168.35 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. [2019-11-27 10:00:07,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 541.90 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 81.68 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 168.35 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-da95e15 [2019-11-27 10:00:11,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:11,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:11,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:11,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:11,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:11,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:11,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:11,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:11,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:11,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:11,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:11,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:11,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:11,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:11,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:11,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:11,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:11,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:11,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:11,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:11,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:11,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:11,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:11,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:11,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:11,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:11,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:11,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:11,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:11,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:11,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:11,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:11,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:11,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:11,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:11,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:11,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:11,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:11,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:11,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:11,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:11,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:11,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:11,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:11,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:11,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:11,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:11,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:11,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:11,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:11,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:11,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:11,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:11,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:11,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:11,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:11,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:11,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:11,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:11,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:11,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:11,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:11,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:11,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:11,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:11,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:11,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:11,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:11,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:11,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:11,997 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 -> b1d9bbb15ebabc8fa7bed11dd5ef1fc8e11e37bc [2019-11-27 10:00:12,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:12,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:12,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:12,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:12,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:12,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2019-11-27 10:00:12,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f4d05e3/8e7c190aab20498e883d78db4358c596/FLAG023ecf808 [2019-11-27 10:00:13,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:13,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2019-11-27 10:00:13,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f4d05e3/8e7c190aab20498e883d78db4358c596/FLAG023ecf808 [2019-11-27 10:00:13,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f4d05e3/8e7c190aab20498e883d78db4358c596 [2019-11-27 10:00:13,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:13,962 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:13,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:13,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:13,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,987 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 27.11 10:00:13, skipping insertion in model container [2019-11-27 10:00:13,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:14,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:14,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:14,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:14,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:14,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:14,515 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:14,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14 WrapperNode [2019-11-27 10:00:14,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:14,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:14,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:14,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:14,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:14,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:14,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:14,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:14" (1/1) ... [2019-11-27 10:00:14,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:14,796 INFO L168 Benchmark]: Toolchain (without parser) took 827.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:14,798 INFO L168 Benchmark]: CDTParser took 2.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:14,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.98 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:14,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:14,809 INFO L168 Benchmark]: Boogie Preprocessor took 54.13 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:14,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 553.98 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 212.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.13 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...