./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_15-1.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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:00,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:00,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:00,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:00,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:00,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:00,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:00,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:00,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:00,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:00,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:00,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:00,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:00,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:00,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:00,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:00,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:00,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:00,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:00,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:00,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:00,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:00,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:00,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:00,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:00,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:00,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:00,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:00,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:00,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:00,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:00,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:00,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:00,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:00,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:00,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:00,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:00,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:00,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:00,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:00,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:00,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:00,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:00,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:00,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:00,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:00,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:00,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:00,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:00,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:00,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:00,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:00,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:00,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:00,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:00,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:00,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:00,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:00,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:00,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:00,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:00,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:00,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:00,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:00,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:00,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:00,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:00,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:00,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:00,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:00,909 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-26 17:12:01,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:01,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:01,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:01,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:01,515 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:01,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-26 17:12:01,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4815071e/556b0840267a4640b6a139d704364741/FLAG99b6353c2 [2019-11-26 17:12:02,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:02,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-26 17:12:02,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4815071e/556b0840267a4640b6a139d704364741/FLAG99b6353c2 [2019-11-26 17:12:02,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4815071e/556b0840267a4640b6a139d704364741 [2019-11-26 17:12:02,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:02,847 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:02,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:02,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:02,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:02,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:02, skipping insertion in model container [2019-11-26 17:12:02,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:02" (1/1) ... [2019-11-26 17:12:02,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:02,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:03,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:03,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,466 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:03,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03 WrapperNode [2019-11-26 17:12:03,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:03,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:03,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:03,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:03,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:03,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,687 INFO L168 Benchmark]: Toolchain (without parser) took 833.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,688 INFO L168 Benchmark]: CDTParser took 0.30 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 17:12:03,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.92 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:03,700 INFO L168 Benchmark]: Boogie Preprocessor took 124.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 620.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 77.92 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:07,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:07,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:07,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:07,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:07,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:07,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:07,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:07,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:07,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:07,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:07,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:07,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:07,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:07,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:07,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:07,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:07,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:07,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:07,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:07,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:07,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:07,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:07,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:07,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:07,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:07,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:07,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:07,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:07,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:07,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:07,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:07,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:07,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:07,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:07,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:07,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:07,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:07,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:07,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:07,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:07,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:07,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:07,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:07,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:07,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:07,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:07,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:07,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:07,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:07,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:07,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:07,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:07,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:07,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:07,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:07,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:07,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:07,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:07,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:07,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:07,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:07,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:07,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:07,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:07,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:07,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:07,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:07,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:07,891 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:07,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:07,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:07,896 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-26 17:12:08,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:08,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:08,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:08,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:08,496 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:08,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-26 17:12:08,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3fc5af0/ba2e04fa3626491a8734e1a50a7438ec/FLAGad0388f1e [2019-11-26 17:12:09,711 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:09,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-26 17:12:09,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3fc5af0/ba2e04fa3626491a8734e1a50a7438ec/FLAGad0388f1e [2019-11-26 17:12:09,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3fc5af0/ba2e04fa3626491a8734e1a50a7438ec [2019-11-26 17:12:09,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:09,787 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:09,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:09,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:09,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:09,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:09" (1/1) ... [2019-11-26 17:12:09,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:09, skipping insertion in model container [2019-11-26 17:12:09,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:09" (1/1) ... [2019-11-26 17:12:09,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:09,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:10,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,258 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:10,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,323 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:10,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10 WrapperNode [2019-11-26 17:12:10,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:10,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:10,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:10,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:10,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,543 INFO L168 Benchmark]: Toolchain (without parser) took 747.64 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,545 INFO L168 Benchmark]: CDTParser took 0.47 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 17:12:10,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:10,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.76 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:10,552 INFO L168 Benchmark]: Boogie Preprocessor took 53.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 532.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.76 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...