./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_20x0-1.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_20x0-1.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 17db2a72807ac377d533a347dbb668103ea580a0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_20x0-1.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 17db2a72807ac377d533a347dbb668103ea580a0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:18:23,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:23,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:23,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:23,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:23,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:23,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:23,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:23,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:23,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:23,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:23,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:23,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:23,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:23,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:23,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:23,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:23,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:23,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:23,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:23,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:23,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:23,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:23,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:23,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:23,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:23,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:23,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:23,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:23,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:23,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:23,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:23,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:23,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:23,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:23,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:23,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:23,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:23,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:23,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:23,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:23,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:23,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:23,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:23,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:23,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:23,954 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:23,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:23,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:23,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:23,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:23,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:23,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:23,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:23,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:23,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:23,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:23,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:23,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:23,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:23,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:23,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:23,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:23,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:23,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:23,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:23,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:23,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:23,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:23,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:23,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:23,974 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 -> 17db2a72807ac377d533a347dbb668103ea580a0 [2019-11-24 21:18:24,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:24,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:24,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:24,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:24,655 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:24,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2019-11-24 21:18:24,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ee80e6d/647e9a227def48e791a095aafe588145/FLAG420cd5f82 [2019-11-24 21:18:25,838 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:25,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2019-11-24 21:18:25,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ee80e6d/647e9a227def48e791a095aafe588145/FLAG420cd5f82 [2019-11-24 21:18:25,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ee80e6d/647e9a227def48e791a095aafe588145 [2019-11-24 21:18:25,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:25,901 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:25,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:25,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:25,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:25,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25, skipping insertion in model container [2019-11-24 21:18:25,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:25,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:26,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:26,437 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:26,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:26,512 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:26,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26 WrapperNode [2019-11-24 21:18:26,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:26,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:26,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:26,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:26,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:26,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:26,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:26,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:26,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:26,734 INFO L168 Benchmark]: Toolchain (without parser) took 826.38 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 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:26,739 INFO L168 Benchmark]: CDTParser took 3.25 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. [2019-11-24 21:18:26,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.78 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. [2019-11-24 21:18:26,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.98 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:26,747 INFO L168 Benchmark]: Boogie Preprocessor took 44.64 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 21:18:26,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.25 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 611.78 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 154.98 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.64 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 21:18:30,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:30,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:30,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:30,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:30,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:30,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:30,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:30,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:30,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:30,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:30,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:30,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:30,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:30,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:30,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:30,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:30,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:30,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:30,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:30,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:30,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:30,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:30,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:30,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:30,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:30,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:30,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:30,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:30,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:30,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:30,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:30,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:30,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:30,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:30,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:30,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:30,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:30,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:30,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:30,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:30,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:30,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:30,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:30,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:30,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:30,788 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:30,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:30,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:30,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:30,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:30,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:30,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:30,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:30,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:30,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:30,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:30,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:30,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:30,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:30,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:30,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:30,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:30,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:30,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:30,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:30,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:30,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:30,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:30,805 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:30,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:30,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:30,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:30,809 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 -> 17db2a72807ac377d533a347dbb668103ea580a0 [2019-11-24 21:18:31,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:31,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:31,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:31,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:31,343 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:31,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2019-11-24 21:18:31,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2e586a3/4d2a325a53494063811104b4119021c8/FLAGf24f4a020 [2019-11-24 21:18:32,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:32,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-1.c [2019-11-24 21:18:32,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2e586a3/4d2a325a53494063811104b4119021c8/FLAGf24f4a020 [2019-11-24 21:18:32,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2e586a3/4d2a325a53494063811104b4119021c8 [2019-11-24 21:18:32,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:32,573 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:32,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:32,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:32,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:32,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:32" (1/1) ... [2019-11-24 21:18:32,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3ffb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:32, skipping insertion in model container [2019-11-24 21:18:32,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:32" (1/1) ... [2019-11-24 21:18:32,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:32,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:33,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:33,102 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:33,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:33,153 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:33,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33 WrapperNode [2019-11-24 21:18:33,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:33,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:33,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:33,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:33,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:33,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:33,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:33,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:33,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:33,360 INFO L168 Benchmark]: Toolchain (without parser) took 771.09 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 21:18:33,365 INFO L168 Benchmark]: CDTParser took 0.42 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 21:18:33,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.12 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 21:18:33,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.35 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 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 21:18:33,373 INFO L168 Benchmark]: Boogie Preprocessor took 29.58 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 21:18:33,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 578.12 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 155.35 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 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 29.58 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...