./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/nested_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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-acceleration/nested_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ec34260dbdf702968911eb4443c2b37192d60c9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-acceleration/nested_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ec34260dbdf702968911eb4443c2b37192d60c9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:42,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:42,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:42,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:42,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:42,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:42,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:42,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:42,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:42,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:42,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:42,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:42,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:42,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:42,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:42,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:42,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:42,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:42,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:42,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:42,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:42,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:42,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:42,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:42,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:42,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:42,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:42,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:42,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:42,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:42,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:42,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:42,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:42,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:42,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:42,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:42,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:42,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:42,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:42,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:42,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:42,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:42,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:42,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:42,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:42,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:42,956 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:42,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:42,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:42,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:42,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:42,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:42,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:42,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:42,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:42,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:42,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:42,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:42,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:42,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:42,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:42,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:42,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:42,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:42,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:42,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:42,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:42,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:42,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:42,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:42,973 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 -> 8ec34260dbdf702968911eb4443c2b37192d60c9 [2019-11-26 17:03:43,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:43,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:43,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:43,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:43,591 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:43,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-26 17:03:43,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64602b55/8ce597d031c043ee8ad6ca063da9df2c/FLAGd6fa6d78f [2019-11-26 17:03:44,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:44,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-26 17:03:44,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64602b55/8ce597d031c043ee8ad6ca063da9df2c/FLAGd6fa6d78f [2019-11-26 17:03:44,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64602b55/8ce597d031c043ee8ad6ca063da9df2c [2019-11-26 17:03:44,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:44,866 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:44,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:44,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:44,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:44,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:44" (1/1) ... [2019-11-26 17:03:44,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cd9645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:44, skipping insertion in model container [2019-11-26 17:03:44,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:44" (1/1) ... [2019-11-26 17:03:44,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:44,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:45,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,373 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:45,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,438 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:45,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45 WrapperNode [2019-11-26 17:03:45,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:45,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:45,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:45,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:45,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:45,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:45,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:45,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:45,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:45,705 INFO L168 Benchmark]: Toolchain (without parser) took 826.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:45,707 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-26 17:03:45,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:45,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:45,719 INFO L168 Benchmark]: Boogie Preprocessor took 57.02 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:45,732 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 574.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 180.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.02 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:49,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:49,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:49,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:49,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:49,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:49,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:49,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:49,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:49,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:49,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:49,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:49,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:49,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:49,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:49,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:49,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:49,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:49,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:49,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:49,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:49,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:49,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:49,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:49,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:49,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:49,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:49,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:49,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:49,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:49,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:49,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:49,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:49,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:49,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:49,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:49,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:49,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:49,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:49,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:49,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:49,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:49,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:49,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:49,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:49,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:49,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:49,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:49,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:49,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:49,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:49,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:49,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:49,892 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:49,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:49,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:49,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:49,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:49,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:49,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:49,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:49,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:49,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:49,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:49,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:49,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:49,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:49,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:49,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:49,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:49,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:49,905 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 -> 8ec34260dbdf702968911eb4443c2b37192d60c9 [2019-11-26 17:03:50,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:50,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:50,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:50,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:50,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:50,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-26 17:03:50,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1388b69a/9225aa19cf3c480b95f24f0970c9cd49/FLAG0300d4c98 [2019-11-26 17:03:51,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:51,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-26 17:03:51,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1388b69a/9225aa19cf3c480b95f24f0970c9cd49/FLAG0300d4c98 [2019-11-26 17:03:51,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1388b69a/9225aa19cf3c480b95f24f0970c9cd49 [2019-11-26 17:03:51,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:51,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:51,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:51,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:51,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:51,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:51" (1/1) ... [2019-11-26 17:03:51,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:51, skipping insertion in model container [2019-11-26 17:03:51,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:51" (1/1) ... [2019-11-26 17:03:51,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:51,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:52,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,313 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:52,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,377 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:52,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52 WrapperNode [2019-11-26 17:03:52,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:52,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:52,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:52,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:52,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:52,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:52,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:52,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:52,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:52,630 INFO L168 Benchmark]: Toolchain (without parser) took 853.77 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:52,635 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:52,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.59 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. [2019-11-26 17:03:52,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.86 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:52,642 INFO L168 Benchmark]: Boogie Preprocessor took 57.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:52,654 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 604.59 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 168.86 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 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.70 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...