./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_2-2.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/loop-acceleration/simple_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baae1cc7aa11eb3c18aaf63a96f02979d33776a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/simple_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baae1cc7aa11eb3c18aaf63a96f02979d33776a5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:08,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:08,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:08,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:08,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:08,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:08,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:08,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:08,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:08,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:08,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:08,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:08,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:08,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:08,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:08,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:08,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:08,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:08,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:08,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:08,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:08,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:08,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:08,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:08,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:08,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:08,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:08,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:08,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:08,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:08,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:08,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:08,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:08,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:08,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:08,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:08,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:08,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:08,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:08,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:08,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:08,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:08,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:08,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:08,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:08,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:08,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:08,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:08,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:08,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:08,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:08,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:08,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:08,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:08,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:08,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:08,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:08,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:08,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:08,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:08,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:08,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:08,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:08,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:08,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:08,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:08,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:08,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:08,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:08,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:08,861 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 -> baae1cc7aa11eb3c18aaf63a96f02979d33776a5 [2019-11-27 16:13:09,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:09,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:09,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:09,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:09,425 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:09,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-27 16:13:09,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7e46559/0f10988ca3c9478e91b7287c39da67fc/FLAGc7bb4d969 [2019-11-27 16:13:10,506 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:10,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-27 16:13:10,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7e46559/0f10988ca3c9478e91b7287c39da67fc/FLAGc7bb4d969 [2019-11-27 16:13:10,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7e46559/0f10988ca3c9478e91b7287c39da67fc [2019-11-27 16:13:10,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:10,715 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:10,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:10,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:10,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:10,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:10" (1/1) ... [2019-11-27 16:13:10,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a98191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:10, skipping insertion in model container [2019-11-27 16:13:10,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:10" (1/1) ... [2019-11-27 16:13:10,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:10,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:11,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,243 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:11,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,316 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:11,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11 WrapperNode [2019-11-27 16:13:11,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:11,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:11,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:11,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:11,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:11,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,520 INFO L168 Benchmark]: Toolchain (without parser) took 798.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 997.0 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:11,522 INFO L168 Benchmark]: CDTParser took 1.53 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 16:13:11,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.87 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 955.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:11,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:11,541 INFO L168 Benchmark]: Boogie Preprocessor took 39.37 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:11,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 600.87 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 955.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.37 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 0.1.24-509859d [2019-11-27 16:13:15,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:15,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:15,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:15,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:15,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:15,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:15,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:15,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:15,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:15,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:15,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:15,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:15,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:15,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:15,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:15,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:15,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:15,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:15,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:15,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:15,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:15,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:15,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:15,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:15,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:15,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:15,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:15,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:15,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:15,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:15,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:15,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:15,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:15,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:15,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:15,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:15,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:15,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:15,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:15,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:15,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:15,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:15,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:15,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:15,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:15,760 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:15,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:15,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:15,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:15,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:15,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:15,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:15,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:15,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:15,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:15,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:15,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:15,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:15,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:15,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:15,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:15,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:15,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:15,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:15,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:15,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:15,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:15,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:15,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:15,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:15,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:15,778 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 -> baae1cc7aa11eb3c18aaf63a96f02979d33776a5 [2019-11-27 16:13:16,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:16,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:16,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:16,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:16,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:16,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-27 16:13:16,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b5c80b4/def18dacb7fc4c34a2d9242ffbba3d63/FLAG9886edeb1 [2019-11-27 16:13:17,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:17,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-2.c [2019-11-27 16:13:17,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b5c80b4/def18dacb7fc4c34a2d9242ffbba3d63/FLAG9886edeb1 [2019-11-27 16:13:17,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b5c80b4/def18dacb7fc4c34a2d9242ffbba3d63 [2019-11-27 16:13:17,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:17,657 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:17,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:17,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:17,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:17,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:17" (1/1) ... [2019-11-27 16:13:17,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7f9016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:17, skipping insertion in model container [2019-11-27 16:13:17,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:17" (1/1) ... [2019-11-27 16:13:17,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:17,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:18,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,188 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:18,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,248 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:18,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18 WrapperNode [2019-11-27 16:13:18,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:18,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:18,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:18,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:18,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:18,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:18,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:18,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:18,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:18,461 INFO L168 Benchmark]: Toolchain (without parser) took 788.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.1 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:18,466 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:18,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.63 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:18,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:18,474 INFO L168 Benchmark]: Boogie Preprocessor took 42.41 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:18,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 588.63 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 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 142.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.41 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...