./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.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_6-2.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 d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_6-2.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 d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:18:06,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:06,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:06,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:06,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:06,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:06,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:06,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:06,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:06,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:06,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:06,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:06,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:06,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:06,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:06,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:06,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:06,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:06,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:06,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:06,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:06,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:06,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:06,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:06,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:06,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:06,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:06,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:06,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:06,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:06,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:06,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:06,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:06,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:06,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:06,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:06,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:06,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:06,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:06,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:06,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:06,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:06,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:06,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:06,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:06,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:06,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:06,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:06,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:06,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:06,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:06,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:06,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:06,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:06,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:06,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:06,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:06,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:06,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:06,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:06,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:06,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:06,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:06,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:06,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:06,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:06,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:06,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:06,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:06,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:06,589 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 -> d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 [2019-11-24 21:18:07,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:07,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:07,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:07,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:07,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:07,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-24 21:18:07,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e16bd4b/000bda6a25f24d5b847a199898b75f2d/FLAG496734fad [2019-11-24 21:18:08,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:08,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-24 21:18:08,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e16bd4b/000bda6a25f24d5b847a199898b75f2d/FLAG496734fad [2019-11-24 21:18:08,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e16bd4b/000bda6a25f24d5b847a199898b75f2d [2019-11-24 21:18:08,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:08,605 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:08,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:08,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:08,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:08,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:08" (1/1) ... [2019-11-24 21:18:08,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:08, skipping insertion in model container [2019-11-24 21:18:08,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:08" (1/1) ... [2019-11-24 21:18:08,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:08,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:09,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:09,174 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:09,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:09,268 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:09,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09 WrapperNode [2019-11-24 21:18:09,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:09,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:09,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:09,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:09,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:09,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:09,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:09,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:09,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:09" (1/1) ... [2019-11-24 21:18:09,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:09,512 INFO L168 Benchmark]: Toolchain (without parser) took 902.23 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 21:18:09,520 INFO L168 Benchmark]: CDTParser took 2.06 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 21:18:09,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.99 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 21:18:09,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.65 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:09,538 INFO L168 Benchmark]: Boogie Preprocessor took 49.85 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 21:18:09,551 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.06 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 655.99 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 179.65 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.85 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:13,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:13,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:13,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:13,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:13,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:13,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:13,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:13,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:13,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:13,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:13,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:13,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:13,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:13,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:13,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:13,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:13,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:13,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:13,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:13,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:13,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:13,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:13,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:13,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:13,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:13,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:13,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:13,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:13,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:13,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:13,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:13,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:13,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:13,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:13,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:13,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:13,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:13,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:13,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:13,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:13,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:13,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:13,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:13,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:13,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:13,778 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:13,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:13,778 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:13,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:13,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:13,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:13,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:13,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:13,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:13,784 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:13,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:13,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:13,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:13,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:13,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:13,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:13,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:13,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:13,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:13,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:13,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:13,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:13,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:13,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:13,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:13,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:13,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:13,796 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 -> d98587a14b872cd91c7aef8f28f1f51cdacaf3d4 [2019-11-24 21:18:14,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:14,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:14,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:14,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:14,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:14,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-24 21:18:14,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812b3cec5/db9ce65132374ce29a8d08f4fb41842d/FLAGd3c6617ea [2019-11-24 21:18:15,652 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:15,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-2.c [2019-11-24 21:18:15,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812b3cec5/db9ce65132374ce29a8d08f4fb41842d/FLAGd3c6617ea [2019-11-24 21:18:15,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812b3cec5/db9ce65132374ce29a8d08f4fb41842d [2019-11-24 21:18:15,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:15,725 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:15,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:15,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:15,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:15,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:15" (1/1) ... [2019-11-24 21:18:15,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b329d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:15, skipping insertion in model container [2019-11-24 21:18:15,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:15" (1/1) ... [2019-11-24 21:18:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:15,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:16,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:16,308 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:16,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:16,383 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16 WrapperNode [2019-11-24 21:18:16,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:16,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:16,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:16,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:16,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:16,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:16,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:16,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:16,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:16,641 INFO L168 Benchmark]: Toolchain (without parser) took 909.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 991.2 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:16,642 INFO L168 Benchmark]: CDTParser took 0.49 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 21:18:16,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,652 INFO L168 Benchmark]: Boogie Preprocessor took 68.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 656.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 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 166.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 996.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...