./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/loops-crafted-1/nested_delay_notd2.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 b54c9d2adb9e977f0950bab67988d354292e80fb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops-crafted-1/nested_delay_notd2.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 b54c9d2adb9e977f0950bab67988d354292e80fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:24,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:24,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:24,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:24,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:24,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:24,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:24,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:24,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:24,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:24,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:24,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:24,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:24,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:24,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:24,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:24,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:24,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:24,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:24,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:24,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:24,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:24,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:24,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:24,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:24,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:24,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:24,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:24,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:24,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:24,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:24,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:24,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:24,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:24,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:24,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:24,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:24,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:24,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:24,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:24,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:24,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:24,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:24,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:24,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:24,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:24,757 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:24,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:24,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:24,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:24,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:24,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:24,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:24,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:24,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:24,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:24,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:24,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:24,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:24,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:24,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:24,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:24,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:24,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:24,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:24,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:24,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:24,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:24,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:24,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:24,772 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 -> b54c9d2adb9e977f0950bab67988d354292e80fb [2019-11-25 22:57:25,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:25,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:25,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:25,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:25,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:25,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-25 22:57:25,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5358a531d/f1eb6debfe6b4deaa705c51db5db7b0e/FLAG044a9c423 [2019-11-25 22:57:26,106 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:26,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-25 22:57:26,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5358a531d/f1eb6debfe6b4deaa705c51db5db7b0e/FLAG044a9c423 [2019-11-25 22:57:26,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5358a531d/f1eb6debfe6b4deaa705c51db5db7b0e [2019-11-25 22:57:26,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:26,424 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:26,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:26,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:26,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:26,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26, skipping insertion in model container [2019-11-25 22:57:26,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:26,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:26,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:26,786 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:26,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:26,822 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:26,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26 WrapperNode [2019-11-25 22:57:26,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:26,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:26,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:26,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:26,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:26,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:26,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:26,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:26,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:26" (1/1) ... [2019-11-25 22:57:26,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:26,962 INFO L168 Benchmark]: Toolchain (without parser) took 535.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:26,965 INFO L168 Benchmark]: CDTParser took 1.89 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. [2019-11-25 22:57:26,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.40 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:26,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.36 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. [2019-11-25 22:57:26,985 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:26,994 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89 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 394.40 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 94.36 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 37.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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 0.1.24-65d6cd2 [2019-11-25 22:57:29,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:29,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:29,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:29,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:29,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:29,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:29,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:29,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:29,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:29,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:29,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:29,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:29,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:29,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:29,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:29,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:29,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:29,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:29,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:29,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:29,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:29,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:29,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:29,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:29,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:29,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:29,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:29,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:29,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:29,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:29,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:29,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:29,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:29,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:29,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:29,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:29,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:29,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:29,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:29,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:29,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:29,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:29,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:29,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:29,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:29,839 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:29,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:29,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:29,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:29,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:29,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:29,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:29,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:29,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:29,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:29,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:29,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:29,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:29,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:29,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:29,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:29,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:29,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:29,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:29,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:29,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:29,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:29,850 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:29,850 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:29,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:29,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:29,852 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 -> b54c9d2adb9e977f0950bab67988d354292e80fb [2019-11-25 22:57:30,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:30,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:30,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:30,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:30,348 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:30,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-25 22:57:30,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546af5d6d/32a5a58fe2c34ab7b7226c8ae826d7ad/FLAG2d7efbaf3 [2019-11-25 22:57:31,143 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:31,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-25 22:57:31,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546af5d6d/32a5a58fe2c34ab7b7226c8ae826d7ad/FLAG2d7efbaf3 [2019-11-25 22:57:31,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546af5d6d/32a5a58fe2c34ab7b7226c8ae826d7ad [2019-11-25 22:57:31,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:31,495 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:31,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:31,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:31,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:31,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:31,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31, skipping insertion in model container [2019-11-25 22:57:31,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:31,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:31,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:31,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:31,845 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:31,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:31,885 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:31,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31 WrapperNode [2019-11-25 22:57:31,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:31,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:31,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:31,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:31,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:31,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:32,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:32,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:32,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:32,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:31" (1/1) ... [2019-11-25 22:57:32,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:32,059 INFO L168 Benchmark]: Toolchain (without parser) took 562.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 989.8 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:32,061 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-25 22:57:32,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.23 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:32,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 989.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:32,065 INFO L168 Benchmark]: Boogie Preprocessor took 40.06 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:32,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 385.23 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 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 128.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 989.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.06 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 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...