./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.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_4-1.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 ffdaeeffc8c5fdb555812137dbba1199bd1a626d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_4-1.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 ffdaeeffc8c5fdb555812137dbba1199bd1a626d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:09,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:09,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:09,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:09,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:09,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:09,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:09,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:09,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:09,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:09,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:09,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:09,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:09,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:09,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:09,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:09,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:09,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:09,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:09,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:09,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:09,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:09,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:09,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:09,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:09,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:09,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:09,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:09,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:09,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:09,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:09,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:09,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:09,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:09,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:09,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:09,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:09,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:09,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:09,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:09,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:09,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:09,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:09,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:09,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:09,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:09,278 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:09,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:09,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:09,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:09,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:09,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:09,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:09,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:09,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:09,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:09,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:09,286 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:09,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:09,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:09,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:09,287 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:09,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:09,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:09,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:09,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:09,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:09,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:09,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:09,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:09,293 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 -> ffdaeeffc8c5fdb555812137dbba1199bd1a626d [2019-11-26 17:12:09,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:09,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:09,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:09,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:09,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:09,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-26 17:12:10,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a03eb0e2/daf3c5e3d46642beaa6566c4321a593a/FLAG8f4bc7ca9 [2019-11-26 17:12:11,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:11,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-26 17:12:11,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a03eb0e2/daf3c5e3d46642beaa6566c4321a593a/FLAG8f4bc7ca9 [2019-11-26 17:12:11,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a03eb0e2/daf3c5e3d46642beaa6566c4321a593a [2019-11-26 17:12:11,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:11,199 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:11,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:11,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:11,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11, skipping insertion in model container [2019-11-26 17:12:11,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:11,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:11,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,684 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:11,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,728 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:11,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11 WrapperNode [2019-11-26 17:12:11,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:11,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:11,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:11,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:11,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,930 INFO L168 Benchmark]: Toolchain (without parser) took 728.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,945 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,954 INFO L168 Benchmark]: Boogie Preprocessor took 54.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 525.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.58 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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 17:12:15,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:15,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:15,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:15,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:15,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:15,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:15,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:15,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:15,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:15,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:15,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:15,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:15,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:15,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:15,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:15,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:15,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:15,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:15,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:15,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:15,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:15,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:15,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:15,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:15,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:15,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:15,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:15,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:15,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:15,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:15,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:16,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:16,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:16,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:16,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:16,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:16,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:16,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:16,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:16,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:16,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:16,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:16,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:16,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:16,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:16,064 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:16,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:16,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:16,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:16,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:16,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:16,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:16,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:16,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:16,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:16,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:16,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:16,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:16,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:16,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:16,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:16,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:16,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:16,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:16,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:16,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:16,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:16,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:16,080 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:16,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:16,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:16,082 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 -> ffdaeeffc8c5fdb555812137dbba1199bd1a626d [2019-11-26 17:12:16,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:16,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:16,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:16,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:16,705 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:16,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-26 17:12:16,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147effbcd/d4925f00d6b14265bc7ff91f73dc41d4/FLAGfd7a144f1 [2019-11-26 17:12:17,930 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:17,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c [2019-11-26 17:12:17,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147effbcd/d4925f00d6b14265bc7ff91f73dc41d4/FLAGfd7a144f1 [2019-11-26 17:12:17,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147effbcd/d4925f00d6b14265bc7ff91f73dc41d4 [2019-11-26 17:12:18,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:18,004 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:18,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:18,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:18,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:18,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18, skipping insertion in model container [2019-11-26 17:12:18,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:18,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:18,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:18,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,568 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:18,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,641 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:18,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18 WrapperNode [2019-11-26 17:12:18,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:18,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:18,665 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 17:12:18,760 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 17:12:18,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:18,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:18,827 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 17:12:18,828 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 17:12:18,831 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 17:12:18,832 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 17:12:18,841 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 17:12:18,845 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 17:12:18,847 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 17:12:18,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,867 INFO L168 Benchmark]: Toolchain (without parser) took 859.38 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. [2019-11-26 17:12:18,868 INFO L168 Benchmark]: CDTParser took 3.24 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. [2019-11-26 17:12:18,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.63 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 17:12:18,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,881 INFO L168 Benchmark]: Boogie Preprocessor took 50.56 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-26 17:12:18,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.24 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 636.63 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 158.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.56 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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...