./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-1.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/fibo_25-1.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 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/fibo_25-1.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 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:02,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:02,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:02,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:02,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:02,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:02,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:02,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:02,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:02,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:02,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:02,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:02,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:02,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:02,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:02,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:02,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:02,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:02,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:02,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:02,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:02,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:02,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:02,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:02,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:02,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:02,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:02,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:02,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:02,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:02,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:02,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:02,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:02,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:02,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:02,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:02,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:02,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:02,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:02,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:02,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:02,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:02,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:02,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:02,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:02,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:02,861 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:02,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:02,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:02,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:02,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:02,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:02,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:02,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:02,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:02,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:02,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:02,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:02,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:02,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:02,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:02,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:02,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:02,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:02,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:02,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:02,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:02,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:02,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:02,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:02,877 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 -> 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d [2019-11-26 17:12:03,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:03,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:03,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:03,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:03,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:03,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-26 17:12:03,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732f4c901/d3758548ebd146d3abd8330ec16f3d25/FLAGe6d265cd6 [2019-11-26 17:12:04,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:04,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-26 17:12:04,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732f4c901/d3758548ebd146d3abd8330ec16f3d25/FLAGe6d265cd6 [2019-11-26 17:12:04,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732f4c901/d3758548ebd146d3abd8330ec16f3d25 [2019-11-26 17:12:04,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:04,782 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:04,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:04,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:04,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:04,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e1bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04, skipping insertion in model container [2019-11-26 17:12:04,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:04,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:05,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:05,315 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:05,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:05,395 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:05,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05 WrapperNode [2019-11-26 17:12:05,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:05,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:05,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:05,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:05,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:05,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:05,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:05,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:05,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:05,682 INFO L168 Benchmark]: Toolchain (without parser) took 897.91 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. [2019-11-26 17:12:05,686 INFO L168 Benchmark]: CDTParser took 0.36 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 17:12:05,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.58 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 17:12:05,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.17 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: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:05,694 INFO L168 Benchmark]: Boogie Preprocessor took 46.23 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. [2019-11-26 17:12:05,708 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 613.58 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 228.17 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: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.23 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 0.1.24-025d5a2 [2019-11-26 17:12:09,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:09,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:09,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:09,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:09,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:09,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:09,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:09,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:09,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:09,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:09,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:09,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:09,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:09,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:09,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:09,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:09,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:09,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:09,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:09,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:09,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:09,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:09,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:09,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:09,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:09,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:09,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:09,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:09,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:09,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:09,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:09,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:09,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:09,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:09,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:09,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:09,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:09,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:09,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:09,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:09,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:09,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:09,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:09,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:09,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:09,836 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:09,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:09,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:09,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:09,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:09,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:09,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:09,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:09,843 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:09,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:09,846 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:09,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:09,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:09,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:09,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:09,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:09,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:09,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:09,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:09,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:09,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:09,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:09,852 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:09,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:09,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:09,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:09,856 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 -> 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d [2019-11-26 17:12:10,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:10,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:10,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:10,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:10,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:10,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-26 17:12:10,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105e35215/30dee126f16840a490f4f4f2e49fe4fc/FLAGd2ea6df0d [2019-11-26 17:12:11,691 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:11,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-26 17:12:11,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105e35215/30dee126f16840a490f4f4f2e49fe4fc/FLAGd2ea6df0d [2019-11-26 17:12:11,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105e35215/30dee126f16840a490f4f4f2e49fe4fc [2019-11-26 17:12:11,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:11,768 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:11,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:11,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:11,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11, skipping insertion in model container [2019-11-26 17:12:11,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:11,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:12,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:12,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:12,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:12,374 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:12,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12 WrapperNode [2019-11-26 17:12:12,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:12,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:12,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:12,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:12,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:12,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:12,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:12,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:12,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:12,586 INFO L168 Benchmark]: Toolchain (without parser) took 815.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:12,591 INFO L168 Benchmark]: CDTParser took 1.39 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 17:12:12,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.90 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 17:12:12,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:12,597 INFO L168 Benchmark]: Boogie Preprocessor took 41.56 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. [2019-11-26 17:12:12,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 605.90 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 155.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.56 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...