./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b5_o10-2.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/id_b5_o10-2.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 0449565d36be00deee168302da89fb227fc941e3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_b5_o10-2.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 0449565d36be00deee168302da89fb227fc941e3 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:59:56,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:56,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:56,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:56,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:56,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:56,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:56,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:56,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:56,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:56,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:56,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:56,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:56,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:56,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:56,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:56,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:56,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:56,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:56,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:56,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:56,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:56,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:56,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:56,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:56,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:56,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:56,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:56,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:56,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:56,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:56,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:56,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:56,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:56,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:56,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:56,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:56,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:56,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:56,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:56,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:56,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:56,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:56,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:56,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:56,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:56,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:56,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:56,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:56,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:56,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:56,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:56,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:56,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:56,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:56,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:56,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:56,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:56,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:56,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:56,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:56,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:56,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:56,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:56,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:56,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:56,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:56,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:56,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:56,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:56,927 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 -> 0449565d36be00deee168302da89fb227fc941e3 [2019-11-27 09:59:57,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:57,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:57,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:57,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:57,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:57,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-27 09:59:57,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631c2269/496c45dde0c34e1883d198434cabadc6/FLAG6f616eac6 [2019-11-27 09:59:58,729 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-27 09:59:58,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631c2269/496c45dde0c34e1883d198434cabadc6/FLAG6f616eac6 [2019-11-27 09:59:58,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e631c2269/496c45dde0c34e1883d198434cabadc6 [2019-11-27 09:59:58,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:58,799 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:58,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:58,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:58,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:58,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:58" (1/1) ... [2019-11-27 09:59:58,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:58, skipping insertion in model container [2019-11-27 09:59:58,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:58" (1/1) ... [2019-11-27 09:59:58,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:58,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:59,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:59,386 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:59,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:59,463 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:59,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59 WrapperNode [2019-11-27 09:59:59,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:59,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:59,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:59,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:59,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:59,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:59,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:59,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:59,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:59" (1/1) ... [2019-11-27 09:59:59,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:59,726 INFO L168 Benchmark]: Toolchain (without parser) took 920.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:59,731 INFO L168 Benchmark]: CDTParser took 4.95 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 09:59:59,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.83 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:59,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:59,740 INFO L168 Benchmark]: Boogie Preprocessor took 58.62 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:59,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.95 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 667.83 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 186.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.62 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:03,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:03,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:03,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:03,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:03,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:03,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:03,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:03,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:03,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:03,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:03,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:03,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:03,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:03,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:03,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:03,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:03,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:03,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:03,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:03,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:03,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:03,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:03,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:03,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:03,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:03,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:03,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:03,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:03,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:03,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:03,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:03,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:03,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:03,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:03,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:03,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:03,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:03,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:03,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:03,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:03,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:03,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:03,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:03,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:03,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:03,790 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:03,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:03,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:03,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:03,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:03,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:03,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:03,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:03,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:03,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:03,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:03,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:03,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:03,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:03,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:03,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:03,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:03,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:03,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:03,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:03,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:03,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:03,806 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:03,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:03,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:03,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:03,810 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 -> 0449565d36be00deee168302da89fb227fc941e3 [2019-11-27 10:00:04,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:04,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:04,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:04,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:04,394 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:04,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-27 10:00:04,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d778bd3/bdcb8e56ed0a4a39831ca4dbf51053b7/FLAG8ac78f85a [2019-11-27 10:00:05,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:05,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-27 10:00:05,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d778bd3/bdcb8e56ed0a4a39831ca4dbf51053b7/FLAG8ac78f85a [2019-11-27 10:00:05,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d778bd3/bdcb8e56ed0a4a39831ca4dbf51053b7 [2019-11-27 10:00:05,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:05,724 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:05,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:05,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:05,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:05,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05, skipping insertion in model container [2019-11-27 10:00:05,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:05,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:06,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,193 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:06,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,238 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:06,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06 WrapperNode [2019-11-27 10:00:06,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:06,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:06,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:06,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:06,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:06,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,441 INFO L168 Benchmark]: Toolchain (without parser) took 701.53 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:06,444 INFO L168 Benchmark]: CDTParser took 2.29 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 10:00:06,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,455 INFO L168 Benchmark]: Boogie Preprocessor took 32.81 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. [2019-11-27 10:00:06,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.29 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 506.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.81 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...