./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_25-2.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 6feb2d9df0581d47b74bce2be80636ed1d300948 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_25-2.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 6feb2d9df0581d47b74bce2be80636ed1d300948 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:03,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:03,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:03,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:03,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:03,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:03,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:03,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:03,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:03,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:03,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:03,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:03,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:03,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:03,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:03,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:03,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:03,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:03,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:03,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:03,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:03,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:03,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:03,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:03,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:03,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:03,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:03,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:03,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:03,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:03,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:03,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:03,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:03,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:03,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:03,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:03,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:03,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:03,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:03,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:03,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:03,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:03,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:03,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:03,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:03,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:03,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:03,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:03,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:03,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:03,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:03,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:03,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:03,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:03,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:03,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:03,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:03,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:03,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:03,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:03,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:03,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:03,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:03,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:03,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:03,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:03,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:03,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:03,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:03,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:03,854 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-26 17:12:04,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:04,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:04,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:04,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:04,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:04,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-26 17:12:04,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae5bd1df/3d881c3d881146a2b09ee7db3149fa50/FLAG732f98c65 [2019-11-26 17:12:05,727 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:05,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-26 17:12:05,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae5bd1df/3d881c3d881146a2b09ee7db3149fa50/FLAG732f98c65 [2019-11-26 17:12:05,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae5bd1df/3d881c3d881146a2b09ee7db3149fa50 [2019-11-26 17:12:05,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:05,794 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:05,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:05,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:05,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:05,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,817 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 05:12:05, skipping insertion in model container [2019-11-26 17:12:05,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:05" (1/1) ... [2019-11-26 17:12:05,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:05,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:06,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:06,296 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:06,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:06,372 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:06,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06 WrapperNode [2019-11-26 17:12:06,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:06,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:06,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:06,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:06,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:06,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:06,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:06,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:06,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:06" (1/1) ... [2019-11-26 17:12:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:06,592 INFO L168 Benchmark]: Toolchain (without parser) took 786.28 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: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:06,596 INFO L168 Benchmark]: CDTParser took 1.95 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:06,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.12 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 17:12:06,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 17:12:06,605 INFO L168 Benchmark]: Boogie Preprocessor took 39.29 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:06,617 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 574.12 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 155.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. * Boogie Preprocessor took 39.29 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 17:12:10,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:10,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:10,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:10,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:10,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:10,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:10,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:10,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:10,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:10,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:10,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:10,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:10,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:10,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:10,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:10,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:10,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:10,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:10,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:10,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:10,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:10,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:10,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:10,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:10,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:10,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:10,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:10,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:10,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:10,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:10,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:10,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:10,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:10,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:10,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:10,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:10,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:10,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:10,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:10,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:10,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:10,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:10,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:10,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:10,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:10,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:10,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:10,683 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:10,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:10,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:10,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:10,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:10,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:10,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:10,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:10,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:10,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:10,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:10,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:10,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:10,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:10,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:10,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:10,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:10,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:10,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:10,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:10,698 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:10,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:10,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:10,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:10,700 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-26 17:12:11,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:11,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:11,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:11,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:11,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:11,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-26 17:12:11,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b267fab10/d1b29f346ac349f08ceafb7dc99f7b57/FLAGb6e25bee3 [2019-11-26 17:12:12,560 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:12,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-26 17:12:12,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b267fab10/d1b29f346ac349f08ceafb7dc99f7b57/FLAGb6e25bee3 [2019-11-26 17:12:12,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b267fab10/d1b29f346ac349f08ceafb7dc99f7b57 [2019-11-26 17:12:12,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:12,640 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:12,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:12,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:12,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:12,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,663 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 05:12:12, skipping insertion in model container [2019-11-26 17:12:12,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:12,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:13,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:13,170 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:13,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:13,213 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13 WrapperNode [2019-11-26 17:12:13,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:13,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:13,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:13,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:13,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:13,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:13,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:13,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:13,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13" (1/1) ... [2019-11-26 17:12:13,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:13,430 INFO L168 Benchmark]: Toolchain (without parser) took 788.35 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 17:12:13,432 INFO L168 Benchmark]: CDTParser took 0.32 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 17:12:13,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.01 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 17:12:13,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.52 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:13,444 INFO L168 Benchmark]: Boogie Preprocessor took 55.68 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 17:12:13,456 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 573.01 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 145.52 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.68 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...