./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05dc78db4ae9adf9f9f4e8e18548ea9c0db83e87 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05dc78db4ae9adf9f9f4e8e18548ea9c0db83e87 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:00,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:00,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:00,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:00,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:00,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:00,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:00,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:00,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:00,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:00,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:00,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:00,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:00,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:00,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:00,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:00,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:00,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:00,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:00,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:00,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:00,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:00,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:00,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:00,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:00,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:00,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:00,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:00,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:00,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:00,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:00,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:00,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:00,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:00,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:00,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:00,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:00,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:00,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:00,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:00,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:00,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:00,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:00,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:00,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:00,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:00,726 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:00,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:00,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:00,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:00,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:00,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:00,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:00,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:00,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:00,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:00,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:00,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:00,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:00,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:00,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:00,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:00,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:00,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:00,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:00,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:00,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:00,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:00,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:00,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:00,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:00,742 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 -> 05dc78db4ae9adf9f9f4e8e18548ea9c0db83e87 [2019-11-24 21:18:01,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:01,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:01,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:01,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:01,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:01,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2019-11-24 21:18:01,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0366eb3/ba5c47f47a374d5c85235aeb8e047fa3/FLAG9b101d1dc [2019-11-24 21:18:02,546 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:02,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2019-11-24 21:18:02,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0366eb3/ba5c47f47a374d5c85235aeb8e047fa3/FLAG9b101d1dc [2019-11-24 21:18:02,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0366eb3/ba5c47f47a374d5c85235aeb8e047fa3 [2019-11-24 21:18:02,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:02,617 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:02,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:02,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:02,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:02,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:02" (1/1) ... [2019-11-24 21:18:02,643 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 24.11 09:18:02, skipping insertion in model container [2019-11-24 21:18:02,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:02" (1/1) ... [2019-11-24 21:18:02,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:02,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:03,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:03,216 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:03,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:03,298 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:03,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03 WrapperNode [2019-11-24 21:18:03,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:03,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:03,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:03,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:03,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:03,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:03,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:03,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:03,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:03,559 INFO L168 Benchmark]: Toolchain (without parser) took 935.21 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 991.0 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:03,566 INFO L168 Benchmark]: CDTParser took 2.12 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. [2019-11-24 21:18:03,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.77 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. [2019-11-24 21:18:03,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.32 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 996.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:03,578 INFO L168 Benchmark]: Boogie Preprocessor took 55.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:03,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.12 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 678.77 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 190.32 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 996.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:07,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:07,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:07,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:07,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:07,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:07,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:07,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:07,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:07,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:07,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:07,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:07,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:07,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:07,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:07,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:07,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:07,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:07,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:07,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:07,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:07,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:07,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:07,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:07,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:07,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:07,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:07,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:07,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:07,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:07,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:07,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:07,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:07,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:07,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:07,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:07,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:07,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:07,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:07,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:07,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:07,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:07,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:07,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:07,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:07,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:07,484 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:07,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:07,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:07,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:07,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:07,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:07,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:07,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:07,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:07,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:07,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:07,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:07,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:07,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:07,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:07,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:07,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:07,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:07,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:07,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:07,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:07,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:07,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:07,500 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:07,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:07,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:07,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:07,504 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 -> 05dc78db4ae9adf9f9f4e8e18548ea9c0db83e87 [2019-11-24 21:18:08,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:08,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:08,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:08,187 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:08,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:08,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2019-11-24 21:18:08,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0fc102a/85689872e50d4a0f89820a9141a76ec9/FLAGd03894c34 [2019-11-24 21:18:09,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:09,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2019-11-24 21:18:09,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0fc102a/85689872e50d4a0f89820a9141a76ec9/FLAGd03894c34 [2019-11-24 21:18:09,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0fc102a/85689872e50d4a0f89820a9141a76ec9 [2019-11-24 21:18:09,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:09,455 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:09,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:09,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:09,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:09,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,480 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 24.11 09:18:09, skipping insertion in model container [2019-11-24 21:18:09,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:09,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:10,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:10,019 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:10,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:10,101 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:10,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10 WrapperNode [2019-11-24 21:18:10,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:10,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:10,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:10,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:10,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:10,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:10,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:10,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:10,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:10" (1/1) ... [2019-11-24 21:18:10,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:10,405 INFO L168 Benchmark]: Toolchain (without parser) took 940.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:10,407 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-24 21:18:10,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.10 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. [2019-11-24 21:18:10,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:10,417 INFO L168 Benchmark]: Boogie Preprocessor took 73.37 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. [2019-11-24 21:18:10,429 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 647.10 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 210.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.37 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...