./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 da95e156 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-da95e15 [2019-11-27 10:00:03,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:03,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:03,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:03,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:03,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:03,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:03,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:03,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:03,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:03,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:03,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:03,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:03,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:03,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:03,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:03,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:03,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:03,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:03,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:03,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:03,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:03,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:03,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:03,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:03,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:03,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:03,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:03,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:03,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:03,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:03,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:03,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:03,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:03,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:03,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:03,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:03,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:03,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:03,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:03,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:03,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:03,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:03,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:03,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:03,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:03,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:03,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:03,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:03,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:03,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:03,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:03,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:03,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:03,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:03,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:03,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:03,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:03,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:03,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:03,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:03,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:03,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:03,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:03,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:03,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:03,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:03,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:03,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:03,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:03,853 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 [2019-11-27 10:00:04,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:04,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:04,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:04,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:04,407 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:04,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-27 10:00:04,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2036fd339/82184bff197a425fb35542bdfe5afbe7/FLAG5e33b60f2 [2019-11-27 10:00:05,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:05,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-27 10:00:05,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2036fd339/82184bff197a425fb35542bdfe5afbe7/FLAG5e33b60f2 [2019-11-27 10:00:05,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2036fd339/82184bff197a425fb35542bdfe5afbe7 [2019-11-27 10:00:05,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:05,715 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:05,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:05,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:05,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:05,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb904a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05, skipping insertion in model container [2019-11-27 10:00:05,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:05,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:06,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,164 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:06,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,236 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:06,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06 WrapperNode [2019-11-27 10:00:06,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:06,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:06,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:06,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:06,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:06,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,449 INFO L168 Benchmark]: Toolchain (without parser) took 728.58 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 996.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,451 INFO L168 Benchmark]: CDTParser took 1.50 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. [2019-11-27 10:00:06,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:06,464 INFO L168 Benchmark]: Boogie Preprocessor took 124.91 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 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 517.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.91 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 9.2 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-da95e15 [2019-11-27 10:00:10,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:10,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:10,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:10,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:10,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:10,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:10,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:10,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:10,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:10,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:10,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:10,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:10,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:10,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:10,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:10,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:10,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:10,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:10,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:10,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:10,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:10,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:10,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:10,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:10,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:10,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:10,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:10,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:10,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:10,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:10,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:10,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:10,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:10,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:10,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:10,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:10,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:10,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:10,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:10,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:10,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:10,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:10,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:10,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:10,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:10,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:10,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:10,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:10,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:10,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:10,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:10,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:10,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:10,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:10,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:10,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:10,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:10,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:10,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:10,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:10,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:10,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:10,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:10,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:10,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:10,568 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:10,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:10,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:10,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:10,570 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 [2019-11-27 10:00:11,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:11,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:11,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:11,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:11,110 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:11,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-27 10:00:11,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7195a6739/43026e6b6a7746dabdcb747874facc4d/FLAG499330be3 [2019-11-27 10:00:12,214 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:12,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-27 10:00:12,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7195a6739/43026e6b6a7746dabdcb747874facc4d/FLAG499330be3 [2019-11-27 10:00:12,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7195a6739/43026e6b6a7746dabdcb747874facc4d [2019-11-27 10:00:12,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:12,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:12,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:12,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:12,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:12,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12, skipping insertion in model container [2019-11-27 10:00:12,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:12,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:12,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:12,980 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:13,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,057 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:13,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13 WrapperNode [2019-11-27 10:00:13,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:13,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:13,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:13,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:13,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,263 INFO L168 Benchmark]: Toolchain (without parser) took 823.98 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:13,276 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-27 10:00:13,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.37 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. [2019-11-27 10:00:13,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.29 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,284 INFO L168 Benchmark]: Boogie Preprocessor took 33.08 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. [2019-11-27 10:00:13,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 625.37 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 157.29 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.08 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...