./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0449565d36be00deee168302da89fb227fc941e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_b5_o10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0449565d36be00deee168302da89fb227fc941e3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:13,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:13,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:13,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:13,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:13,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:13,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:13,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:13,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:13,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:13,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:13,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:13,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:13,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:13,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:13,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:13,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:13,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:13,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:13,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:13,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:13,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:13,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:13,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:13,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:13,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:13,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:13,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:13,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:13,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:13,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:13,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:13,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:13,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:13,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:13,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:13,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:13,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:13,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:13,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:13,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:13,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:13,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:13,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:13,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:13,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:13,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:13,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:13,850 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:13,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:13,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:13,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:13,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:13,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:13,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:13,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:13,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:13,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:13,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:13,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:13,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:13,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:13,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:13,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:13,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:13,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:13,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:13,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:13,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:13,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:13,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:13,867 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 -> 0449565d36be00deee168302da89fb227fc941e3 [2019-11-24 21:18:14,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:14,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:14,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:14,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:14,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:14,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-24 21:18:14,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbe0d97a/9616adfd01b94731b396bd48a087e350/FLAGfee23d336 [2019-11-24 21:18:15,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:15,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-24 21:18:15,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbe0d97a/9616adfd01b94731b396bd48a087e350/FLAGfee23d336 [2019-11-24 21:18:15,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbe0d97a/9616adfd01b94731b396bd48a087e350 [2019-11-24 21:18:15,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:15,676 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:15,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:15,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:15,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:15,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:15" (1/1) ... [2019-11-24 21:18:15,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:15, skipping insertion in model container [2019-11-24 21:18:15,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:15" (1/1) ... [2019-11-24 21:18:15,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:15,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:16,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:16,216 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:16,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:16,294 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:16,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16 WrapperNode [2019-11-24 21:18:16,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:16,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:16,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:16,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:16,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:16,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:16,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:16,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:16,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:16" (1/1) ... [2019-11-24 21:18:16,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:16,525 INFO L168 Benchmark]: Toolchain (without parser) took 838.46 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: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:16,527 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:16,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.28 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.38 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,544 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:16,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 619.28 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 166.38 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:20,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:20,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:20,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:20,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:20,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:20,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:20,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:20,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:20,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:20,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:20,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:20,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:20,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:20,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:20,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:20,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:20,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:20,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:20,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:20,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:20,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:20,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:20,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:20,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:20,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:20,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:20,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:20,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:20,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:20,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:20,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:20,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:20,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:20,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:20,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:20,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:20,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:20,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:20,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:20,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:20,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:20,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:20,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:20,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:20,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:20,790 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:20,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:20,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:20,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:20,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:20,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:20,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:20,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:20,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:20,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:20,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:20,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:20,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:20,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:20,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:20,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:20,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:20,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:20,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:20,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:20,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:20,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:20,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:20,810 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:20,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:20,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:20,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:20,811 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 -> 0449565d36be00deee168302da89fb227fc941e3 [2019-11-24 21:18:21,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:21,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:21,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:21,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:21,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:21,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-24 21:18:21,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2943ae8f/73fac7809bdf4967a34dfad0a0b12592/FLAGdb5355ec2 [2019-11-24 21:18:22,532 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:22,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2019-11-24 21:18:22,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2943ae8f/73fac7809bdf4967a34dfad0a0b12592/FLAGdb5355ec2 [2019-11-24 21:18:22,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2943ae8f/73fac7809bdf4967a34dfad0a0b12592 [2019-11-24 21:18:22,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:22,830 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:22,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:22,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:22,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:22,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451439b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22, skipping insertion in model container [2019-11-24 21:18:22,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:22,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:23,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:23,358 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:23,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:23,416 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23 WrapperNode [2019-11-24 21:18:23,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:23,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:23,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:23,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:23,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:23,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:23,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:23,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:23" (1/1) ... [2019-11-24 21:18:23,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,640 INFO L168 Benchmark]: Toolchain (without parser) took 806.96 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 997.1 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,653 INFO L168 Benchmark]: CDTParser took 2.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.03 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. [2019-11-24 21:18:23,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.21 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 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:23,662 INFO L168 Benchmark]: Boogie Preprocessor took 33.84 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.38 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 583.03 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 175.21 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 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.84 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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...