./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_10x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_10x0-2.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 03b834537fd67eba3e98faa1fce1fca3851f5bba ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_10x0-2.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 03b834537fd67eba3e98faa1fce1fca3851f5bba .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:26,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:26,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:26,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:26,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:26,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:26,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:26,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:26,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:26,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:26,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:26,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:26,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:26,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:26,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:26,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:26,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:26,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:26,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:26,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:26,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:26,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:26,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:26,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:26,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:26,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:26,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:26,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:26,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:26,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:26,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:26,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:26,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:26,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:26,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:26,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:26,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:26,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:26,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:26,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:26,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:26,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:26,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:26,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:26,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:26,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:26,799 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:26,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:26,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:26,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:26,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:26,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:26,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:26,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:26,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:26,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:26,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:26,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:26,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:26,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:26,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:26,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:26,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:26,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:26,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:26,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:26,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:26,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:26,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:26,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:26,811 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 -> 03b834537fd67eba3e98faa1fce1fca3851f5bba [2019-11-26 17:12:27,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:27,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:27,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:27,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:27,321 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:27,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-26 17:12:27,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a441ca48d/ee492ce54d3f4910b86158c67faabdc4/FLAGd4c8efd02 [2019-11-26 17:12:28,123 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:28,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-26 17:12:28,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a441ca48d/ee492ce54d3f4910b86158c67faabdc4/FLAGd4c8efd02 [2019-11-26 17:12:28,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a441ca48d/ee492ce54d3f4910b86158c67faabdc4 [2019-11-26 17:12:28,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:28,482 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:28,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:28,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:28,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28, skipping insertion in model container [2019-11-26 17:12:28,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:28,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:28,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:28,804 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:28,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:28,839 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:28,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28 WrapperNode [2019-11-26 17:12:28,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:28,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:28,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:28,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:28,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:28,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:28,978 INFO L168 Benchmark]: Toolchain (without parser) took 479.24 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 991.1 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,980 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-26 17:12:28,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.71 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. [2019-11-26 17:12:28,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.48 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:28,988 INFO L168 Benchmark]: Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:28,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 356.71 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 95.48 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.67 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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 0.1.24-025d5a2 [2019-11-26 17:12:31,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:31,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:31,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:31,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:31,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:31,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:31,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:31,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:31,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:31,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:31,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:31,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:31,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:31,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:31,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:31,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:31,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:31,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:31,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:31,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:31,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:31,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:31,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:31,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:31,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:31,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:31,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:31,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:31,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:31,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:31,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:31,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:31,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:31,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:31,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:31,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:31,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:31,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:31,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:31,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:31,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:31,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:31,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:31,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:31,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:31,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:31,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:31,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:31,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:31,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:31,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:31,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:31,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:31,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:31,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:31,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:31,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:31,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:31,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:31,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:31,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:31,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:31,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:31,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:31,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:31,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:31,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:31,873 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:31,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:31,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:31,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:31,876 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 -> 03b834537fd67eba3e98faa1fce1fca3851f5bba [2019-11-26 17:12:32,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:32,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:32,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:32,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:32,394 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:32,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-26 17:12:32,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f152ff63/f2e3d7e531a347dca31c023ede905801/FLAG72093dd73 [2019-11-26 17:12:33,170 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:33,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-26 17:12:33,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f152ff63/f2e3d7e531a347dca31c023ede905801/FLAG72093dd73 [2019-11-26 17:12:33,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f152ff63/f2e3d7e531a347dca31c023ede905801 [2019-11-26 17:12:33,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:33,546 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:33,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:33,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:33,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:33,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:33,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802928b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33, skipping insertion in model container [2019-11-26 17:12:33,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:33,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:33,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:33,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:33,865 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:33,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:33,899 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:33,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33 WrapperNode [2019-11-26 17:12:33,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:33,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:33,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:33,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:33,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:33,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:34,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:34,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:34,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:34,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:34,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:34,044 INFO L168 Benchmark]: Toolchain (without parser) took 485.84 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 995.6 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:34,045 INFO L168 Benchmark]: CDTParser took 0.64 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. [2019-11-26 17:12:34,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.93 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. [2019-11-26 17:12:34,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.81 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 995.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:34,049 INFO L168 Benchmark]: Boogie Preprocessor took 21.47 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:34,060 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 352.93 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 100.81 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 995.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.47 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 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...