./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/id2_i5_o5-1.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 59c5766d3cddc0d41e2678bb5221cccc60217431 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/id2_i5_o5-1.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 59c5766d3cddc0d41e2678bb5221cccc60217431 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:21:43,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:43,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:43,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:43,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:43,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:43,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:43,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:43,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:43,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:43,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:43,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:43,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:43,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:43,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:43,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:43,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:43,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:43,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:43,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:43,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:43,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:43,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:43,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:43,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:43,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:43,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:43,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:43,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:43,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:43,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:43,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:43,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:43,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:43,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:43,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:43,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:43,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:43,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:43,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:43,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:43,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:43,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:43,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:43,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:43,881 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:43,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:43,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:43,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:43,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:43,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:43,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:43,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:43,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:43,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:43,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:43,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:43,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:43,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:43,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:43,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:43,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:43,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:43,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:43,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:43,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:43,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:43,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:43,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:43,898 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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2019-11-27 16:21:44,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:44,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:44,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:44,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:44,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:44,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 16:21:44,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72430b764/79473c4480fe462e88e7223bbf163976/FLAGfebe4a489 [2019-11-27 16:21:45,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:45,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 16:21:45,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72430b764/79473c4480fe462e88e7223bbf163976/FLAGfebe4a489 [2019-11-27 16:21:45,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72430b764/79473c4480fe462e88e7223bbf163976 [2019-11-27 16:21:45,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:45,883 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:45,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:45,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:45,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:45,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,906 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 04:21:45, skipping insertion in model container [2019-11-27 16:21:45,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:45,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:46,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:46,364 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:46,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:46,442 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:46,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46 WrapperNode [2019-11-27 16:21:46,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:46,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:46,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:46,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:46,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:46,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:46,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:46,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:46,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:46" (1/1) ... [2019-11-27 16:21:46,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:46,663 INFO L168 Benchmark]: Toolchain (without parser) took 779.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:46,666 INFO L168 Benchmark]: CDTParser took 0.40 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 16:21:46,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.40 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 16:21:46,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:46,677 INFO L168 Benchmark]: Boogie Preprocessor took 129.89 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:46,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 559.40 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 79.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.89 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 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 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 0.1.24-509859d [2019-11-27 16:21:50,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:50,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:50,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:50,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:50,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:50,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:50,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:50,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:50,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:50,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:50,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:50,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:50,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:50,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:50,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:50,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:50,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:50,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:50,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:50,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:50,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:50,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:50,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:50,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:50,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:50,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:50,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:50,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:50,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:50,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:50,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:50,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:50,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:50,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:50,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:50,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:50,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:50,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:50,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:50,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:50,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:50,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:50,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:50,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:50,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:50,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:50,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:50,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:50,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:50,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:50,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:50,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:50,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:50,809 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:50,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:50,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:50,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:50,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:50,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:50,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:50,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:50,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:50,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:50,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:50,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:50,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:50,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:50,819 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:50,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:50,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:50,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:50,821 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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2019-11-27 16:21:51,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:51,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:51,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:51,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:51,415 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:51,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 16:21:51,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6aaec4c3/45cfbc08768a425ea8ca4f2ce74a2f82/FLAG09b5335c4 [2019-11-27 16:21:52,607 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:52,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-27 16:21:52,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6aaec4c3/45cfbc08768a425ea8ca4f2ce74a2f82/FLAG09b5335c4 [2019-11-27 16:21:52,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6aaec4c3/45cfbc08768a425ea8ca4f2ce74a2f82 [2019-11-27 16:21:52,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:52,684 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:52,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:52,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:52,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:52,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52, skipping insertion in model container [2019-11-27 16:21:52,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:52,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:53,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:53,181 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:53,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:53,252 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:53,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53 WrapperNode [2019-11-27 16:21:53,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:53,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:53,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:53,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:53,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:53,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:53,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:53,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:53,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:53" (1/1) ... [2019-11-27 16:21:53,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:53,512 INFO L168 Benchmark]: Toolchain (without parser) took 820.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:53,514 INFO L168 Benchmark]: CDTParser took 0.35 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 16:21:53,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.20 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. [2019-11-27 16:21:53,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.89 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:53,524 INFO L168 Benchmark]: Boogie Preprocessor took 52.65 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. [2019-11-27 16:21:53,536 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 567.20 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 183.89 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.65 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...