./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/nested6.i --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/loop-invgen/nested6.i -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 934ee9c856a834ce808d29dea79c6912619f897f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-invgen/nested6.i -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 934ee9c856a834ce808d29dea79c6912619f897f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:27,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:27,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:27,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:27,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:27,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:27,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:27,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:27,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:27,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:27,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:27,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:27,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:27,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:27,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:27,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:27,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:27,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:27,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:27,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:27,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:27,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:27,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:27,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:27,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:27,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:27,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:27,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:27,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:27,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:27,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:27,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:27,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:27,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:27,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:27,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:27,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:27,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:27,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:27,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:27,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:27,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:27,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:27,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:27,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:27,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:27,742 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:27,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:27,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:27,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:27,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:27,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:27,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:27,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:27,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:27,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:27,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:27,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:27,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:27,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:27,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:27,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:27,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:27,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:27,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:27,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:27,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:27,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:27,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:27,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:27,753 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 -> 934ee9c856a834ce808d29dea79c6912619f897f [2019-11-27 16:13:28,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:28,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:28,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:28,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:28,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:28,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 16:13:28,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279d01881/8211fef280eb48c38c7e79c48d856910/FLAG5220a6035 [2019-11-27 16:13:29,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:29,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 16:13:29,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279d01881/8211fef280eb48c38c7e79c48d856910/FLAG5220a6035 [2019-11-27 16:13:29,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279d01881/8211fef280eb48c38c7e79c48d856910 [2019-11-27 16:13:29,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:29,393 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:29,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:29,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:29,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:29,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29, skipping insertion in model container [2019-11-27 16:13:29,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:29,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:29,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:29,735 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:29,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:29,768 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:29,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29 WrapperNode [2019-11-27 16:13:29,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:29,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:29,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:29,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:29,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:29,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:29,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:29,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:29,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:29" (1/1) ... [2019-11-27 16:13:29,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:29,947 INFO L168 Benchmark]: Toolchain (without parser) took 549.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 989.9 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:29,949 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:29,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.11 ms. Allocated memory is still 1.0 GB. Free memory was 964.5 MB in the beginning and 953.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:29,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 995.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:29,969 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:29,977 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 373.11 ms. Allocated memory is still 1.0 GB. Free memory was 964.5 MB in the beginning and 953.1 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 125.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 995.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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 0.1.24-509859d [2019-11-27 16:13:32,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:32,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:32,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:32,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:32,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:32,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:32,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:32,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:32,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:32,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:32,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:32,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:32,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:32,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:32,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:32,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:32,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:32,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:32,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:32,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:32,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:32,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:32,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:32,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:32,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:32,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:32,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:32,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:32,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:32,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:32,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:32,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:32,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:32,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:32,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:32,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:32,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:32,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:32,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:32,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:32,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:32,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:32,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:32,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:32,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:32,936 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:32,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:32,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:32,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:32,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:32,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:32,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:32,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:32,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:32,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:32,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:32,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:32,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:32,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:32,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:32,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:32,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:32,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:32,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:32,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:32,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:32,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:32,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:32,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:32,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:32,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:32,950 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 -> 934ee9c856a834ce808d29dea79c6912619f897f [2019-11-27 16:13:33,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:33,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:33,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:33,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:33,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:33,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 16:13:33,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa43cabf/ebcb794ee11d44b38ea001264c1bf129/FLAG004dfc1ed [2019-11-27 16:13:34,239 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:34,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 16:13:34,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa43cabf/ebcb794ee11d44b38ea001264c1bf129/FLAG004dfc1ed [2019-11-27 16:13:34,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa43cabf/ebcb794ee11d44b38ea001264c1bf129 [2019-11-27 16:13:34,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:34,583 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:34,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:34,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:34,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:34,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:34" (1/1) ... [2019-11-27 16:13:34,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:34, skipping insertion in model container [2019-11-27 16:13:34,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:34" (1/1) ... [2019-11-27 16:13:34,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:34,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:34,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:34,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:35,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:35,046 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:35,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35 WrapperNode [2019-11-27 16:13:35,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:35,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:35,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:35,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:35,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:35,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:35,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:35,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:35,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:35" (1/1) ... [2019-11-27 16:13:35,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:35,234 INFO L168 Benchmark]: Toolchain (without parser) took 660.42 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:35,236 INFO L168 Benchmark]: CDTParser took 1.85 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 16:13:35,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.18 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 16:13:35,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.49 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:35,241 INFO L168 Benchmark]: Boogie Preprocessor took 50.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:35,258 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.85 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 465.18 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 127.49 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...