./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_10-2.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 dd317ac0ecdb37853dacea373914a521115465e0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_10-2.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 dd317ac0ecdb37853dacea373914a521115465e0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:21:28,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:28,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:28,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:28,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:28,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:28,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:28,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:28,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:28,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:28,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:28,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:28,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:28,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:28,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:28,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:28,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:28,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:28,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:28,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:28,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:28,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:28,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:28,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:28,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:28,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:28,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:28,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:28,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:28,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:28,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:28,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:28,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:28,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:28,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:28,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:28,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:28,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:28,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:28,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:28,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:28,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:28,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:28,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:28,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:28,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:28,974 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:28,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:28,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:28,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:28,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:28,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:28,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:28,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:28,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:28,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:28,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:28,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:28,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:28,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:28,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:28,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:28,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:28,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:28,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:28,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:28,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:28,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:28,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:28,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:28,990 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 -> dd317ac0ecdb37853dacea373914a521115465e0 [2019-11-27 16:21:29,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:29,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:29,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:29,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:29,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:29,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-27 16:21:29,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30e7e37/397309c33d124fc2980d25abc00e8df2/FLAG2fa4e3573 [2019-11-27 16:21:30,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:30,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-27 16:21:30,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30e7e37/397309c33d124fc2980d25abc00e8df2/FLAG2fa4e3573 [2019-11-27 16:21:30,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30e7e37/397309c33d124fc2980d25abc00e8df2 [2019-11-27 16:21:30,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:30,888 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:30,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:30,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:30,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:30,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:30" (1/1) ... [2019-11-27 16:21:30,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:30, skipping insertion in model container [2019-11-27 16:21:30,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:30" (1/1) ... [2019-11-27 16:21:30,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:30,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:31,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:31,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:31,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:31,473 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:31,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31 WrapperNode [2019-11-27 16:21:31,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:31,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:31,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:31,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:31,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:31,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:31,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:31,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:31,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:31,693 INFO L168 Benchmark]: Toolchain (without parser) took 796.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:31,695 INFO L168 Benchmark]: CDTParser took 1.52 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:31,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.71 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. [2019-11-27 16:21:31,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.72 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. [2019-11-27 16:21:31,711 INFO L168 Benchmark]: Boogie Preprocessor took 127.88 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:31,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 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 574.71 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 74.72 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 127.88 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 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 0.1.24-509859d [2019-11-27 16:21:35,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:35,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:35,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:35,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:35,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:35,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:35,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:35,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:35,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:35,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:35,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:35,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:35,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:35,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:35,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:35,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:35,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:35,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:35,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:35,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:35,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:35,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:35,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:35,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:35,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:35,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:35,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:35,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:35,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:35,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:35,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:35,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:35,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:35,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:35,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:35,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:35,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:35,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:35,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:35,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:35,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:35,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:35,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:35,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:35,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:35,718 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:35,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:35,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:35,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:35,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:35,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:35,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:35,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:35,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:35,726 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:35,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:35,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:35,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:35,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:35,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:35,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:35,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:35,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:35,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:35,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:35,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:35,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:35,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:35,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:35,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:35,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:35,737 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 -> dd317ac0ecdb37853dacea373914a521115465e0 [2019-11-27 16:21:36,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:36,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:36,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:36,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:36,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:36,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-27 16:21:36,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4910d466f/d5387274772041a192abe9765d248116/FLAG697536916 [2019-11-27 16:21:37,463 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:37,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2019-11-27 16:21:37,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4910d466f/d5387274772041a192abe9765d248116/FLAG697536916 [2019-11-27 16:21:37,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4910d466f/d5387274772041a192abe9765d248116 [2019-11-27 16:21:37,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:37,675 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:37,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:37,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:37,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:37,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:37" (1/1) ... [2019-11-27 16:21:37,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:37, skipping insertion in model container [2019-11-27 16:21:37,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:37" (1/1) ... [2019-11-27 16:21:37,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:37,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:38,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:38,224 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:38,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:38,287 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:38,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38 WrapperNode [2019-11-27 16:21:38,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:38,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:38,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:38,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:38,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:38,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:38,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:38,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:38,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:38,500 INFO L168 Benchmark]: Toolchain (without parser) took 823.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.9 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:38,503 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:38,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.43 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:38,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 996.9 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:38,508 INFO L168 Benchmark]: Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:38,525 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 609.43 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.5 MB in the beginning and 996.9 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.82 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...