./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/afterrec-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 e8f83f4c04fbac90273b8f8e733ac05d1463068f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/afterrec-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 e8f83f4c04fbac90273b8f8e733ac05d1463068f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:11:57,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:11:57,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:11:57,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:11:57,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:11:57,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:11:57,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:11:57,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:11:57,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:11:57,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:11:57,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:11:57,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:11:57,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:11:57,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:11:57,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:11:57,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:11:57,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:11:57,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:11:57,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:11:57,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:11:57,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:11:57,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:11:57,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:11:57,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:11:57,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:11:57,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:11:57,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:11:57,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:11:57,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:11:57,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:11:57,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:11:57,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:11:57,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:11:57,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:11:57,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:11:57,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:11:57,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:11:57,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:11:57,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:11:57,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:11:57,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:11:57,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:11:57,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:11:57,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:11:57,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:11:57,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:11:57,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:11:57,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:11:57,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:11:57,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:11:57,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:11:57,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:11:57,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:11:57,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:11:57,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:11:57,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:11:57,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:11:57,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:11:57,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:11:57,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:11:57,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:11:57,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:11:57,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:11:57,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:11:57,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:11:57,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:11:57,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:11:57,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:11:57,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:11:57,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:11:57,583 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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2019-11-26 17:11:58,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:11:58,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:11:58,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:11:58,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:11:58,051 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:11:58,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-26 17:11:58,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c46ce019/eee7441e1067432e915ba8a7c436af0d/FLAG86156827b [2019-11-26 17:11:58,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:11:58,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-26 17:11:58,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c46ce019/eee7441e1067432e915ba8a7c436af0d/FLAG86156827b [2019-11-26 17:11:59,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c46ce019/eee7441e1067432e915ba8a7c436af0d [2019-11-26 17:11:59,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:11:59,160 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:11:59,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:11:59,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:11:59,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:11:59,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59, skipping insertion in model container [2019-11-26 17:11:59,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:11:59,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:11:59,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:11:59,501 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:11:59,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:11:59,529 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:11:59,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59 WrapperNode [2019-11-26 17:11:59,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:11:59,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:11:59,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:11:59,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:11:59,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:11:59,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:11:59,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:11:59,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:11:59,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:11:59" (1/1) ... [2019-11-26 17:11:59,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:11:59,657 INFO L168 Benchmark]: Toolchain (without parser) took 494.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:11:59,673 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. [2019-11-26 17:11:59,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.73 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. [2019-11-26 17:11:59,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:11:59,679 INFO L168 Benchmark]: Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:11:59,687 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 355.73 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 100.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. 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 0.1.24-025d5a2 [2019-11-26 17:12:02,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:02,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:02,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:02,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:02,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:02,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:02,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:02,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:02,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:02,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:02,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:02,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:02,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:02,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:02,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:02,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:02,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:02,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:02,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:02,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:02,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:02,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:02,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:02,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:02,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:02,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:02,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:02,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:02,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:02,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:02,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:02,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:02,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:02,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:02,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:02,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:02,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:02,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:02,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:02,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:02,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:02,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:02,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:02,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:02,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:02,556 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:02,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:02,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:02,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:02,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:02,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:02,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:02,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:02,561 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:02,561 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:02,562 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:02,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:02,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:02,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:02,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:02,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:02,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:02,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:02,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:02,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:02,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:02,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:02,567 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:02,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:02,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:02,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:02,568 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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2019-11-26 17:12:03,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:03,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:03,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:03,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:03,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:03,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-26 17:12:03,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccec604e/ef086e44f1d345d5b3f9a1fe6279a4b4/FLAG29a1c1244 [2019-11-26 17:12:03,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:03,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-26 17:12:03,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccec604e/ef086e44f1d345d5b3f9a1fe6279a4b4/FLAG29a1c1244 [2019-11-26 17:12:04,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccec604e/ef086e44f1d345d5b3f9a1fe6279a4b4 [2019-11-26 17:12:04,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:04,235 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:04,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:04,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:04,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:04,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04, skipping insertion in model container [2019-11-26 17:12:04,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:04,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:04,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:04,605 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:04,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:04,662 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:04,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04 WrapperNode [2019-11-26 17:12:04,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:04,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:04,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:04,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:04,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:04,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:04,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:04,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:04,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:04" (1/1) ... [2019-11-26 17:12:04,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:04,836 INFO L168 Benchmark]: Toolchain (without parser) took 595.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:04,838 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-26 17:12:04,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.48 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:04,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:04,845 INFO L168 Benchmark]: Boogie Preprocessor took 34.93 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:04,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 427.48 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.93 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...