./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o10.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/id_o10.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 0c292d0c9d9c055df9398b3303a92d6621b60758 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/id_o10.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 0c292d0c9d9c055df9398b3303a92d6621b60758 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:12:24,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:24,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:24,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:24,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:24,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:24,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:24,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:24,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:24,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:24,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:24,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:24,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:24,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:24,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:24,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:24,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:24,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:24,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:24,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:24,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:24,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:24,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:24,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:24,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:24,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:24,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:24,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:24,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:24,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:24,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:24,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:24,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:24,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:24,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:24,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:24,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:24,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:24,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:24,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:24,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:24,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:24,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:24,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:24,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:24,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:24,724 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:24,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:24,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:24,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:24,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:24,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:24,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:24,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:24,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:24,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:24,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:24,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:24,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:24,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:24,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:24,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:24,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:24,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:24,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:24,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:24,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:24,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:24,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:24,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:24,739 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 -> 0c292d0c9d9c055df9398b3303a92d6621b60758 [2019-11-26 17:12:25,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:25,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:25,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:25,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:25,379 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:25,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-26 17:12:25,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29df85e4d/f345972f59f9455b9e1b218672447508/FLAG3d6c1989d [2019-11-26 17:12:26,495 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:26,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-26 17:12:26,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29df85e4d/f345972f59f9455b9e1b218672447508/FLAG3d6c1989d [2019-11-26 17:12:26,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29df85e4d/f345972f59f9455b9e1b218672447508 [2019-11-26 17:12:26,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:26,704 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:26,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:26,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:26,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:26,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8bcb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26, skipping insertion in model container [2019-11-26 17:12:26,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:26,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:27,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,134 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:27,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,177 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27 WrapperNode [2019-11-26 17:12:27,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:27,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:27,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:27,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:27,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:27,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,374 INFO L168 Benchmark]: Toolchain (without parser) took 667.03 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 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:27,389 INFO L168 Benchmark]: CDTParser took 2.54 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 17:12:27,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.53 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 17:12:27,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.87 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:27,399 INFO L168 Benchmark]: Boogie Preprocessor took 117.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:27,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.54 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 472.53 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 56.87 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 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 0.1.24-025d5a2 [2019-11-26 17:12:31,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:31,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:31,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:31,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:31,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:31,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:31,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:31,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:31,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:31,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:31,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:31,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:31,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:31,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:31,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:31,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:31,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:31,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:31,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:31,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:31,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:31,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:31,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:31,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:31,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:31,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:31,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:31,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:31,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:31,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:31,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:31,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:31,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:31,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:31,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:31,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:31,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:31,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:31,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:31,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:31,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:31,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:31,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:31,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:31,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:31,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:31,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:31,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:31,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:31,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:31,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:31,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:31,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:31,583 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:31,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:31,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:31,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:31,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:31,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:31,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:31,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:31,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:31,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:31,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:31,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:31,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:31,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:31,593 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:31,593 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:31,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:31,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:31,595 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 -> 0c292d0c9d9c055df9398b3303a92d6621b60758 [2019-11-26 17:12:32,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:32,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:32,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:32,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:32,257 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:32,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-26 17:12:32,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96b36641/4a179752d1034391a6d7818505c42c8a/FLAG9f987ca17 [2019-11-26 17:12:33,439 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:33,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-26 17:12:33,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96b36641/4a179752d1034391a6d7818505c42c8a/FLAG9f987ca17 [2019-11-26 17:12:33,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96b36641/4a179752d1034391a6d7818505c42c8a [2019-11-26 17:12:33,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:33,506 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:33,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:33,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:33,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:33,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:33,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:33, skipping insertion in model container [2019-11-26 17:12:33,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:33" (1/1) ... [2019-11-26 17:12:33,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:33,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:33,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:33,981 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:34,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:34,036 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:34,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34 WrapperNode [2019-11-26 17:12:34,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:34,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:34,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:34,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:34,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:34,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:34,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:34,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:34,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:34" (1/1) ... [2019-11-26 17:12:34,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:34,265 INFO L168 Benchmark]: Toolchain (without parser) took 753.71 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 17:12:34,267 INFO L168 Benchmark]: CDTParser took 0.38 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 17:12:34,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.89 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 17:12:34,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.56 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: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:34,274 INFO L168 Benchmark]: Boogie Preprocessor took 47.39 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 17:12:34,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 529.89 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 164.56 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: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.39 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...