./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.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_15-1.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 9dd219a121c4fd1e650a6a1536d83d688f586083 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_15-1.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 9dd219a121c4fd1e650a6a1536d83d688f586083 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:04:41,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:41,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:41,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:41,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:41,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:41,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:41,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:41,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:41,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:41,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:41,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:41,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:41,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:41,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:41,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:41,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:41,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:41,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:41,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:41,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:41,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:41,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:41,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:41,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:41,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:41,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:41,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:41,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:41,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:41,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:41,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:41,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:41,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:41,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:41,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:41,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:41,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:41,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:41,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:41,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:41,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:41,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:41,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:41,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:41,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:41,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:41,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:41,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:41,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:41,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:41,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:41,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:41,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:41,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:41,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:41,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:41,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:41,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:41,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:41,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:41,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:41,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:41,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:41,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:41,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:41,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:41,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:41,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:41,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:41,489 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 -> 9dd219a121c4fd1e650a6a1536d83d688f586083 [2019-11-25 23:04:41,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:42,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:42,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:42,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:42,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:42,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2019-11-25 23:04:42,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fdb3f04b/21d94c99745149469a588c9d3205ef83/FLAG22f39beb9 [2019-11-25 23:04:42,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:42,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2019-11-25 23:04:42,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fdb3f04b/21d94c99745149469a588c9d3205ef83/FLAG22f39beb9 [2019-11-25 23:04:43,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fdb3f04b/21d94c99745149469a588c9d3205ef83 [2019-11-25 23:04:43,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:43,177 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:43,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:43,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:43,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:43,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43, skipping insertion in model container [2019-11-25 23:04:43,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:43,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:43,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:43,538 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:43,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:43,576 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:43,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43 WrapperNode [2019-11-25 23:04:43,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:43,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:43,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:43,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:43,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:43,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:43,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:43,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:43,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:43,745 INFO L168 Benchmark]: Toolchain (without parser) took 550.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.6 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:43,746 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:43,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.59 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 23:04:43,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.3 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:43,753 INFO L168 Benchmark]: Boogie Preprocessor took 34.77 ms. Allocated memory is still 1.0 GB. Free memory was 995.3 MB in the beginning and 989.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:43,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 394.59 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 111.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.3 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.77 ms. Allocated memory is still 1.0 GB. Free memory was 995.3 MB in the beginning and 989.6 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 0.1.24-65d6cd2 [2019-11-25 23:04:46,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:46,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:46,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:46,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:46,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:46,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:46,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:46,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:46,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:46,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:46,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:46,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:46,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:46,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:46,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:46,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:46,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:46,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:46,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:46,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:46,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:46,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:46,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:46,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:46,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:46,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:46,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:46,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:46,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:46,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:46,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:46,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:46,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:46,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:46,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:46,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:46,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:46,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:46,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:46,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:46,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:46,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:46,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:46,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:46,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:46,758 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:46,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:46,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:46,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:46,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:46,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:46,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:46,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:46,763 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:46,763 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:46,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:46,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:46,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:46,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:46,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:46,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:46,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:46,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:46,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:46,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:46,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:46,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:46,769 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:46,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:46,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:46,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:46,770 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 -> 9dd219a121c4fd1e650a6a1536d83d688f586083 [2019-11-25 23:04:47,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:47,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:47,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:47,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:47,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:47,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2019-11-25 23:04:47,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b7ec552/0c68f20ad362420b80ebfac211b84375/FLAGaaf0b40a4 [2019-11-25 23:04:48,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:48,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_15-1.c [2019-11-25 23:04:48,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b7ec552/0c68f20ad362420b80ebfac211b84375/FLAGaaf0b40a4 [2019-11-25 23:04:48,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b7ec552/0c68f20ad362420b80ebfac211b84375 [2019-11-25 23:04:48,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:48,469 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:48,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:48,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:48,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:48,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48, skipping insertion in model container [2019-11-25 23:04:48,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:48,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:48,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:48,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:48,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:48,861 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:48,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48 WrapperNode [2019-11-25 23:04:48,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:48,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:48,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:48,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:48,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:48,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:48,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:48,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:48,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:48,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:48" (1/1) ... [2019-11-25 23:04:49,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:49,015 INFO L168 Benchmark]: Toolchain (without parser) took 544.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.8 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:49,016 INFO L168 Benchmark]: CDTParser took 0.90 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 23:04:49,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.13 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. [2019-11-25 23:04:49,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.80 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 995.6 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:49,026 INFO L168 Benchmark]: Boogie Preprocessor took 31.22 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:49,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 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 389.13 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 111.80 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 995.6 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.22 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.8 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...