./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_20-2.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 7247ae16b148df748fe938ec7145d287536c0ad9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_20-2.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 7247ae16b148df748fe938ec7145d287536c0ad9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:44,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:44,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:44,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:44,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:44,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:44,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:44,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:44,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:44,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:44,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:44,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:44,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:44,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:44,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:44,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:44,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:44,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:44,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:44,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:44,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:44,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:44,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:44,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:44,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:45,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:45,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:45,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:45,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:45,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:45,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:45,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:45,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:45,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:45,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:45,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:45,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:45,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:45,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:45,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:45,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:45,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:45,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:45,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:45,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:45,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:45,057 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:45,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:45,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:45,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:45,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:45,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:45,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:45,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:45,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:45,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:45,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:45,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:45,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:45,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:45,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:45,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:45,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:45,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:45,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:45,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:45,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:45,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:45,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:45,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:45,068 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 -> 7247ae16b148df748fe938ec7145d287536c0ad9 [2019-11-27 09:59:45,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:45,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:45,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:45,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:45,496 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:45,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-27 09:59:45,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20510b7ed/24d42440d6394c56839d64a6154de428/FLAG82b5798f8 [2019-11-27 09:59:46,298 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:46,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-27 09:59:46,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20510b7ed/24d42440d6394c56839d64a6154de428/FLAG82b5798f8 [2019-11-27 09:59:46,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20510b7ed/24d42440d6394c56839d64a6154de428 [2019-11-27 09:59:46,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:46,655 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:46,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:46,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:46,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:46,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:46" (1/1) ... [2019-11-27 09:59:46,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:46, skipping insertion in model container [2019-11-27 09:59:46,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:46" (1/1) ... [2019-11-27 09:59:46,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:46,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:47,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:47,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:47,038 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:47,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47 WrapperNode [2019-11-27 09:59:47,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:47,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:47,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:47,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:47,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:47,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:47,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:47,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:47,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:47,165 INFO L168 Benchmark]: Toolchain (without parser) took 505.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.2 MB in the end (delta: -32.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:47,166 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:47,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:47,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:47,185 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:47,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 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 93.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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-da95e15 [2019-11-27 09:59:49,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:49,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:49,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:49,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:49,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:49,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:49,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:49,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:49,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:49,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:49,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:49,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:49,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:49,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:49,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:49,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:49,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:49,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:49,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:49,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:49,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:49,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:49,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:49,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:49,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:49,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:49,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:49,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:49,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:49,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:49,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:49,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:49,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:49,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:49,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:49,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:49,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:49,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:49,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:49,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:49,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:50,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:50,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:50,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:50,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:50,033 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:50,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:50,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:50,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:50,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:50,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:50,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:50,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:50,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:50,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:50,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:50,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:50,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:50,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:50,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:50,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:50,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:50,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:50,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:50,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:50,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:50,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:50,044 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:50,044 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:50,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:50,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:50,045 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 -> 7247ae16b148df748fe938ec7145d287536c0ad9 [2019-11-27 09:59:50,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:50,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:50,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:50,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:50,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:50,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-27 09:59:50,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f63c8721/ed7709581c6e47d0b5cd0e607468d976/FLAG9701768df [2019-11-27 09:59:51,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:51,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2019-11-27 09:59:51,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f63c8721/ed7709581c6e47d0b5cd0e607468d976/FLAG9701768df [2019-11-27 09:59:51,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f63c8721/ed7709581c6e47d0b5cd0e607468d976 [2019-11-27 09:59:51,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:51,630 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:51,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:51,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:51,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:51,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:51" (1/1) ... [2019-11-27 09:59:51,649 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 27.11 09:59:51, skipping insertion in model container [2019-11-27 09:59:51,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:51" (1/1) ... [2019-11-27 09:59:51,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:51,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:51,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:51,973 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:51,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:52,015 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:52,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52 WrapperNode [2019-11-27 09:59:52,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:52,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:52,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:52,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:52,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:52,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:52,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:52,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:52,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:52" (1/1) ... [2019-11-27 09:59:52,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:52,159 INFO L168 Benchmark]: Toolchain (without parser) took 515.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 09:59:52,160 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:52,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.35 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:52,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.40 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:52,166 INFO L168 Benchmark]: Boogie Preprocessor took 28.57 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. [2019-11-27 09:59:52,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 383.35 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 92.40 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.57 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...