./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.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 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_25-1.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 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:44,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:44,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:44,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:44,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:44,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:44,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:45,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:45,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:45,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:45,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:45,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:45,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:45,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:45,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:45,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:45,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:45,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:45,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:45,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:45,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:45,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:45,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:45,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:45,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:45,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:45,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:45,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:45,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:45,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:45,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:45,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:45,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:45,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:45,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:45,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:45,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:45,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:45,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:45,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:45,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:45,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:45,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:45,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:45,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:45,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:45,160 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:45,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:45,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:45,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:45,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:45,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:45,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:45,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:45,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:45,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:45,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:45,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:45,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:45,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:45,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:45,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:45,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:45,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:45,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:45,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:45,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:45,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:45,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:45,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:45,176 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 -> 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 [2019-11-25 23:04:45,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:45,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:45,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:45,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:45,742 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:45,743 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-25 23:04:45,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a4fc650/c387fe69dc0f491caa53178d1fea259e/FLAGc78270b65 [2019-11-25 23:04:46,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:46,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-25 23:04:46,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a4fc650/c387fe69dc0f491caa53178d1fea259e/FLAGc78270b65 [2019-11-25 23:04:46,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a4fc650/c387fe69dc0f491caa53178d1fea259e [2019-11-25 23:04:46,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:46,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:46,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:46,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:46,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:46,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:47,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:46, skipping insertion in model container [2019-11-25 23:04:47,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:46" (1/1) ... [2019-11-25 23:04:47,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:47,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:47,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:47,512 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:47,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:47,577 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47 WrapperNode [2019-11-25 23:04:47,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:47,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:47,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:47,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:47,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:47,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:47,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:47,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:47,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:47" (1/1) ... [2019-11-25 23:04:47,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:47,804 INFO L168 Benchmark]: Toolchain (without parser) took 825.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:47,806 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:47,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.24 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. [2019-11-25 23:04:47,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 1.0 GB in the end (delta: -53.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:47,828 INFO L168 Benchmark]: Boogie Preprocessor took 55.59 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:47,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 598.24 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 155.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 1.0 GB in the end (delta: -53.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.59 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 0.1.24-65d6cd2 [2019-11-25 23:04:51,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:51,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:51,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:51,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:51,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:51,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:51,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:51,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:51,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:51,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:51,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:51,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:51,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:51,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:51,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:51,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:51,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:51,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:51,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:51,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:51,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:51,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:51,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:51,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:51,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:51,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:51,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:51,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:51,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:51,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:51,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:51,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:51,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:51,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:51,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:51,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:51,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:51,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:51,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:51,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:51,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:51,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:51,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:51,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:51,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:51,903 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:51,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:51,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:51,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:51,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:51,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:51,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:51,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:51,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:51,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:51,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:51,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:51,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:51,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:51,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:51,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:51,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:51,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:51,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:51,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:51,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:51,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:51,918 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:51,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:51,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:51,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:51,922 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 -> 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 [2019-11-25 23:04:52,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:52,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:52,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:52,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:52,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:52,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-25 23:04:52,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad96aea98/41712cd259f44805b931c13a9183d532/FLAG28466c5df [2019-11-25 23:04:53,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:53,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-25 23:04:53,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad96aea98/41712cd259f44805b931c13a9183d532/FLAG28466c5df [2019-11-25 23:04:54,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad96aea98/41712cd259f44805b931c13a9183d532 [2019-11-25 23:04:54,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:54,070 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:54,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:54,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:54,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:54,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54, skipping insertion in model container [2019-11-25 23:04:54,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:54,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:54,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:54,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:54,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:54,638 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:54,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54 WrapperNode [2019-11-25 23:04:54,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:54,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:54,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:54,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:54,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:54,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:54,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:54,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:54,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:54,828 INFO L168 Benchmark]: Toolchain (without parser) took 754.44 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 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:54,829 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-25 23:04:54,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.26 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. [2019-11-25 23:04:54,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:54,843 INFO L168 Benchmark]: Boogie Preprocessor took 40.64 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. [2019-11-25 23:04:54,859 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 564.26 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 134.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.64 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...