./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.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 595c6555624af5bbcf79585a20acb2500e3eeee8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.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 595c6555624af5bbcf79585a20acb2500e3eeee8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:21:41,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:41,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:41,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:41,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:41,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:41,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:41,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:41,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:41,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:41,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:41,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:41,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:41,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:41,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:41,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:41,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:41,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:41,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:41,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:41,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:41,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:41,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:41,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:41,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:41,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:41,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:41,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:41,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:41,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:41,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:41,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:41,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:41,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:41,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:41,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:41,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:41,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:41,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:41,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:41,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:41,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:41,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:41,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:41,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:41,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:41,341 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:41,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:41,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:41,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:41,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:41,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:41,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:41,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:41,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:41,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:41,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:41,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:41,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:41,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:41,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:41,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:41,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:41,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:41,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:41,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:41,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:41,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:41,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:41,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:41,358 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 -> 595c6555624af5bbcf79585a20acb2500e3eeee8 [2019-11-27 16:21:41,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:41,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:41,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:41,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:41,956 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:41,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-27 16:21:42,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ed13f7e/ab8638b0162a494dafc9bef42335fcbe/FLAGbd4f698af [2019-11-27 16:21:43,152 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:43,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-27 16:21:43,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ed13f7e/ab8638b0162a494dafc9bef42335fcbe/FLAGbd4f698af [2019-11-27 16:21:43,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ed13f7e/ab8638b0162a494dafc9bef42335fcbe [2019-11-27 16:21:43,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:43,222 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:43,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:43,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:43,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:43,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:43,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f305c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43, skipping insertion in model container [2019-11-27 16:21:43,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:43,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:43,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:43,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:43,770 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:43,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:43,823 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:43,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43 WrapperNode [2019-11-27 16:21:43,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:43,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:43,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:43,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:43,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:43,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:44,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:44,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:44,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:44,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:43" (1/1) ... [2019-11-27 16:21:44,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:44,081 INFO L168 Benchmark]: Toolchain (without parser) took 840.92 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:44,084 INFO L168 Benchmark]: CDTParser took 0.31 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 16:21:44,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.69 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 16:21:44,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.30 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 996.7 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:44,093 INFO L168 Benchmark]: Boogie Preprocessor took 46.01 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 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. [2019-11-27 16:21:44,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 602.69 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 182.30 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 996.7 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.01 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 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 0.1.24-509859d [2019-11-27 16:21:48,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:48,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:48,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:48,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:48,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:48,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:48,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:48,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:48,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:48,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:48,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:48,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:48,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:48,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:48,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:48,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:48,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:48,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:48,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:48,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:48,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:48,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:48,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:48,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:48,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:48,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:48,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:48,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:48,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:48,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:48,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:48,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:48,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:48,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:48,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:48,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:48,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:48,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:48,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:48,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:48,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:48,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:48,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:48,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:48,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:48,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:48,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:48,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:48,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:48,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:48,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:48,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:48,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:48,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:48,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:48,260 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:48,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:48,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:48,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:48,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:48,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:48,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:48,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:48,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:48,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:48,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:48,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:48,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:48,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:48,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:48,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:48,270 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 -> 595c6555624af5bbcf79585a20acb2500e3eeee8 [2019-11-27 16:21:48,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:48,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:48,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:48,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:48,952 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:48,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-27 16:21:49,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a24beb8/3c872c3506bb4d7dbd697f0244e74483/FLAG152acdb60 [2019-11-27 16:21:50,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:50,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2019-11-27 16:21:50,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a24beb8/3c872c3506bb4d7dbd697f0244e74483/FLAG152acdb60 [2019-11-27 16:21:50,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a24beb8/3c872c3506bb4d7dbd697f0244e74483 [2019-11-27 16:21:50,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:50,230 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:50,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:50,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:50,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:50,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:50,255 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 27.11 04:21:50, skipping insertion in model container [2019-11-27 16:21:50,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:50,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:50,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:50,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:50,810 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:50,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:50,892 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:50,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50 WrapperNode [2019-11-27 16:21:50,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:50,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:50,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:50,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:51,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:51,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:51,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:51,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:51,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:50" (1/1) ... [2019-11-27 16:21:51,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:51,152 INFO L168 Benchmark]: Toolchain (without parser) took 914.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:51,154 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. [2019-11-27 16:21:51,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.32 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:51,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:51,163 INFO L168 Benchmark]: Boogie Preprocessor took 68.33 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 16:21:51,174 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 663.32 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 175.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.33 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...