./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.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_2calls_6-2.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 d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2calls_6-2.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 d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:10,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:10,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:10,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:10,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:10,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:10,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:10,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:10,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:10,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:10,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:10,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:10,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:10,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:10,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:10,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:10,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:10,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:10,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:10,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:10,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:10,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:10,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:10,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:10,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:10,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:10,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:10,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:10,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:10,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:10,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:10,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:10,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:10,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:10,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:10,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:10,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:10,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:10,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:10,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:10,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:10,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:11,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:11,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:11,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:11,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:11,021 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:11,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:11,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:11,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:11,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:11,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:11,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:11,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:11,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:11,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:11,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:11,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:11,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:11,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:11,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:11,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:11,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:11,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:11,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:11,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:11,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:11,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:11,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:11,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:11,032 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 -> d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 [2019-11-26 17:12:11,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:11,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:11,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:11,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:11,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:11,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-26 17:12:11,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0f25d04/0d44256f40b54e0ba67ba52151368a2a/FLAG6ed4d102e [2019-11-26 17:12:12,318 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:12,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-26 17:12:12,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0f25d04/0d44256f40b54e0ba67ba52151368a2a/FLAG6ed4d102e [2019-11-26 17:12:12,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0f25d04/0d44256f40b54e0ba67ba52151368a2a [2019-11-26 17:12:12,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:12,662 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:12,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:12,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:12,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:12,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802928b 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 17:12:12,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:12" (1/1) ... [2019-11-26 17:12:12,697 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 17:12:13,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:13,022 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:13,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:13,058 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:13,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:13 WrapperNode [2019-11-26 17:12:13,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:13,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:13,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:13,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:13,079 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 17:12:13,088 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 17:12:13,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:13,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:13,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:13,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:13,181 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 17:12:13,181 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 17:12:13,185 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 17:12:13,186 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 17:12:13,188 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 17:12:13,191 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 17:12:13,195 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 17:12:13,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:13,220 INFO L168 Benchmark]: Toolchain (without parser) took 543.22 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:13,221 INFO L168 Benchmark]: CDTParser took 2.56 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 17:12:13,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.49 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 17:12:13,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.07 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:13,227 INFO L168 Benchmark]: Boogie Preprocessor took 28.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:13,237 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 395.49 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 108.07 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.04 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:15,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:15,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:15,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:15,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:15,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:15,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:15,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:15,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:15,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:15,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:15,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:15,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:15,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:16,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:16,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:16,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:16,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:16,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:16,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:16,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:16,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:16,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:16,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:16,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:16,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:16,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:16,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:16,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:16,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:16,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:16,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:16,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:16,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:16,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:16,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:16,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:16,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:16,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:16,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:16,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:16,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:16,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:16,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:16,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:16,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:16,090 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:16,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:16,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:16,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:16,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:16,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:16,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:16,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:16,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:16,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:16,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:16,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:16,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:16,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:16,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:16,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:16,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:16,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:16,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:16,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:16,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:16,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:16,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:16,102 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:16,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:16,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:16,103 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 -> d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 [2019-11-26 17:12:16,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:16,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:16,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:16,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:16,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:16,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-26 17:12:16,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95630fb8f/171e6e1a039b4fb7aee8069091309e32/FLAG2e6e8df7d [2019-11-26 17:12:17,421 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:17,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-26 17:12:17,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95630fb8f/171e6e1a039b4fb7aee8069091309e32/FLAG2e6e8df7d [2019-11-26 17:12:17,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95630fb8f/171e6e1a039b4fb7aee8069091309e32 [2019-11-26 17:12:17,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:17,760 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:17,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:17,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:17,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:17,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17, skipping insertion in model container [2019-11-26 17:12:17,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:17,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:18,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,102 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:18,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,135 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:18,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18 WrapperNode [2019-11-26 17:12:18,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:18,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:18,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:18,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:18,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,286 INFO L168 Benchmark]: Toolchain (without parser) took 509.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:18,287 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:18,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,290 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 370.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 99.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...