./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/nr4.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/array-tiling/nr4.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 6313c32f486254f95c8d05cc472051f03eb6e40a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/array-tiling/nr4.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 6313c32f486254f95c8d05cc472051f03eb6e40a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:38:27,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:27,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:27,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:27,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:27,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:27,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:27,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:27,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:27,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:27,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:27,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:27,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:27,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:27,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:27,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:27,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:27,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:27,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:27,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:27,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:27,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:27,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:27,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:27,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:27,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:27,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:27,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:27,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:27,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:27,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:27,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:27,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:27,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:27,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:27,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:27,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:27,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:27,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:27,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:27,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:27,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:27,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:27,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:27,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:27,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:27,921 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:27,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:27,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:27,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:27,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:27,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:27,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:27,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:27,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:27,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:27,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:27,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:27,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:27,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:27,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:27,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:27,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:27,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:27,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:27,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:27,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:27,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:27,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:27,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:27,938 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 -> 6313c32f486254f95c8d05cc472051f03eb6e40a [2019-11-27 15:38:28,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:28,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:28,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:28,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:28,587 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:28,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 15:38:28,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f9097a8/3facf82b6a8040db90ed0290a3ddce2b/FLAGdb068e93d [2019-11-27 15:38:29,800 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:29,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 15:38:29,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f9097a8/3facf82b6a8040db90ed0290a3ddce2b/FLAGdb068e93d [2019-11-27 15:38:29,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f9097a8/3facf82b6a8040db90ed0290a3ddce2b [2019-11-27 15:38:29,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:29,871 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:29,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:29,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:29,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:29,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:29" (1/1) ... [2019-11-27 15:38:29,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:29, skipping insertion in model container [2019-11-27 15:38:29,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:29" (1/1) ... [2019-11-27 15:38:29,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:29,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:30,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:30,457 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:30,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:30,662 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:30,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30 WrapperNode [2019-11-27 15:38:30,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:30,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:30,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:30,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:30,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:30,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:30,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:30,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:30,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:30,865 INFO L168 Benchmark]: Toolchain (without parser) took 992.42 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:30,869 INFO L168 Benchmark]: CDTParser took 1.63 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 15:38:30,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:30,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:30,876 INFO L168 Benchmark]: Boogie Preprocessor took 99.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-27 15:38:30,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 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 786.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.28 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 0.1.24-509859d [2019-11-27 15:38:34,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:34,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:34,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:34,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:34,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:34,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:34,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:34,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:34,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:34,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:34,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:34,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:34,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:34,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:34,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:34,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:34,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:34,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:34,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:34,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:34,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:34,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:34,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:34,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:34,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:34,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:34,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:34,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:34,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:34,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:34,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:34,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:34,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:34,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:34,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:34,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:34,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:34,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:34,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:34,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:34,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:34,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:34,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:34,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:34,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:34,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:34,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:34,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:34,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:34,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:34,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:34,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:34,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:34,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:34,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:34,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:34,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:34,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:34,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:34,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:34,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:34,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:34,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:34,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:34,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:34,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:34,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:34,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:34,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:34,902 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 -> 6313c32f486254f95c8d05cc472051f03eb6e40a [2019-11-27 15:38:35,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:35,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:35,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:35,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:35,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:35,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 15:38:35,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4733f0d/cbe826cfbf7e4bd099246a73acc7e12b/FLAG6a362933a [2019-11-27 15:38:36,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:36,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr4.c [2019-11-27 15:38:36,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4733f0d/cbe826cfbf7e4bd099246a73acc7e12b/FLAG6a362933a [2019-11-27 15:38:36,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4733f0d/cbe826cfbf7e4bd099246a73acc7e12b [2019-11-27 15:38:36,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:36,818 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:36,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:36,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:36,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:36,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:36" (1/1) ... [2019-11-27 15:38:36,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:36, skipping insertion in model container [2019-11-27 15:38:36,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:36" (1/1) ... [2019-11-27 15:38:36,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:36,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:37,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:37,359 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:37,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:37,565 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:37,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37 WrapperNode [2019-11-27 15:38:37,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:37,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:37,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:37,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:37,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:37,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:37,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:37,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:37,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:37" (1/1) ... [2019-11-27 15:38:37,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:37,744 INFO L168 Benchmark]: Toolchain (without parser) took 923.10 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. [2019-11-27 15:38:37,746 INFO L168 Benchmark]: CDTParser took 0.45 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 15:38:37,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:37,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:37,752 INFO L168 Benchmark]: Boogie Preprocessor took 85.07 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. [2019-11-27 15:38:37,768 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 751.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.07 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...