./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 23:04:37,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:37,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:37,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:37,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:37,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:37,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:37,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:37,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:37,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:37,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:37,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:37,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:37,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:37,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:37,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:37,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:37,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:37,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:37,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:37,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:37,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:37,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:37,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:37,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:37,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:37,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:37,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:37,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:37,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:37,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:37,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:37,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:37,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:37,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:37,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:37,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:37,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:37,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:37,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:37,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:37,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:38,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:38,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:38,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:38,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:38,041 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:38,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:38,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:38,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:38,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:38,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:38,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:38,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:38,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:38,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:38,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:38,051 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:38,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:38,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:38,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:38,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:38,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:38,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:38,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:38,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:38,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:38,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:38,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:38,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:38,060 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 [2019-11-25 23:04:38,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:38,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:38,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:38,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:38,623 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:38,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-25 23:04:38,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b59dca5b/85b219d2163a43ad9c62a3ec3ea0617f/FLAG96a5a6d71 [2019-11-25 23:04:39,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:39,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-25 23:04:39,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b59dca5b/85b219d2163a43ad9c62a3ec3ea0617f/FLAG96a5a6d71 [2019-11-25 23:04:39,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b59dca5b/85b219d2163a43ad9c62a3ec3ea0617f [2019-11-25 23:04:39,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:39,868 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:39,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:39,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:39,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:39,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:39, skipping insertion in model container [2019-11-25 23:04:39,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:39" (1/1) ... [2019-11-25 23:04:39,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:39,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:40,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:40,352 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:40,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:40,415 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:40,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40 WrapperNode [2019-11-25 23:04:40,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:40,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:40,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:40,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:40,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:40,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:40,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:40,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:40,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:40" (1/1) ... [2019-11-25 23:04:40,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:40,639 INFO L168 Benchmark]: Toolchain (without parser) took 764.89 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. [2019-11-25 23:04:40,641 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-25 23:04:40,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.98 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. [2019-11-25 23:04:40,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.20 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. [2019-11-25 23:04:40,651 INFO L168 Benchmark]: Boogie Preprocessor took 49.34 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. [2019-11-25 23:04:40,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 551.98 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 154.20 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 49.34 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:44,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:44,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:44,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:44,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:44,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:44,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:44,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:44,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:44,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:44,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:44,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:44,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:44,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:44,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:44,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:44,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:44,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:44,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:44,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:44,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:44,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:44,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:44,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:44,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:44,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:44,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:44,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:44,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:44,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:44,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:44,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:44,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:44,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:44,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:44,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:44,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:44,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:44,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:44,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:44,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:44,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:44,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:44,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:44,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:44,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:44,668 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:44,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:44,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:44,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:44,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:44,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:44,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:44,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:44,674 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:44,674 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:44,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:44,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:44,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:44,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:44,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:44,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:44,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:44,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:44,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:44,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:44,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:44,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:44,683 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:44,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:44,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:44,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:44,685 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 [2019-11-25 23:04:45,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:45,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:45,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:45,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:45,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:45,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-25 23:04:45,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c65c691/803baad0e3a04772afa0a6bd86912155/FLAGe37df0576 [2019-11-25 23:04:46,459 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:46,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-25 23:04:46,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c65c691/803baad0e3a04772afa0a6bd86912155/FLAGe37df0576 [2019-11-25 23:04:46,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c65c691/803baad0e3a04772afa0a6bd86912155 [2019-11-25 23:04:46,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:46,658 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:46,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:46,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:46,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:46,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46, skipping insertion in model container [2019-11-25 23:04:46,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:46,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:46,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:47,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:47,192 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:47,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:47,276 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:47,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47 WrapperNode [2019-11-25 23:04:47,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:47,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:47,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:47,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:47,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:47,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:47,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:47,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:47,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:47,515 INFO L168 Benchmark]: Toolchain (without parser) took 839.78 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:47,518 INFO L168 Benchmark]: CDTParser took 2.89 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. [2019-11-25 23:04:47,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.99 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:47,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:47,528 INFO L168 Benchmark]: Boogie Preprocessor took 36.46 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. [2019-11-25 23:04:47,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89 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 618.99 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 175.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.46 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...