./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f36e762e796a59800b85d8514c20c7f73c19b5c1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f36e762e796a59800b85d8514c20c7f73c19b5c1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:11,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:11,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:11,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:11,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:11,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:11,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:11,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:11,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:11,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:11,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:11,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:11,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:11,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:11,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:11,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:11,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:11,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:11,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:11,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:11,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:11,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:11,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:11,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:11,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:11,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:11,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:11,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:11,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:11,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:11,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:11,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:11,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:11,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:11,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:11,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:11,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:11,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:11,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:11,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:11,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:11,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:11,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:11,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:11,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:11,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:11,853 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:11,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:11,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:11,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:11,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:11,855 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:11,856 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:11,858 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:11,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:11,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:11,859 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:11,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:11,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:11,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:11,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:11,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:11,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:11,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:11,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:11,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:11,866 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-27 11:24:12,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:12,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:12,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:12,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:12,527 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:12,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-27 11:24:12,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5727b048e/97ed1d3d2a4641d6be455eeed591f508/FLAG4970d8e06 [2019-11-27 11:24:13,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:13,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-27 11:24:13,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5727b048e/97ed1d3d2a4641d6be455eeed591f508/FLAG4970d8e06 [2019-11-27 11:24:13,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5727b048e/97ed1d3d2a4641d6be455eeed591f508 [2019-11-27 11:24:13,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:13,874 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:13,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:13,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:13,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:13,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726eb83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13, skipping insertion in model container [2019-11-27 11:24:13,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:13,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:14,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:14,352 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:14,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:14,395 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:14,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14 WrapperNode [2019-11-27 11:24:14,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:14,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:14,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:14,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:14,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:14,540 INFO L168 Benchmark]: Toolchain (without parser) took 659.16 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 1.0 GB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:14,544 INFO L168 Benchmark]: CDTParser took 0.53 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 11:24:14,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:14,559 INFO L168 Benchmark]: Boogie Preprocessor took 129.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:14,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 520.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 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-da95e15 [2019-11-27 11:24:18,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:18,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:18,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:18,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:18,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:18,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:18,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:18,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:18,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:18,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:18,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:18,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:18,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:18,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:18,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:18,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:18,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:18,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:18,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:18,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:18,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:18,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:18,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:18,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:18,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:18,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:18,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:18,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:18,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:18,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:18,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:18,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:18,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:18,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:18,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:18,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:18,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:18,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:18,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:18,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:18,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:18,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:18,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:18,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:18,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:18,733 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:18,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:18,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:18,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:18,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:18,735 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:18,739 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:18,739 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:18,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:18,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:18,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:18,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:18,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:18,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:18,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:18,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:18,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:18,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:18,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:18,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:18,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:18,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:18,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:18,748 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-27 11:24:19,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:19,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:19,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:19,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:19,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:19,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-27 11:24:19,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7945272c/b7a4e3a6265548c397f214f41bac2006/FLAG07961cc68 [2019-11-27 11:24:20,475 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:20,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-27 11:24:20,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7945272c/b7a4e3a6265548c397f214f41bac2006/FLAG07961cc68 [2019-11-27 11:24:20,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7945272c/b7a4e3a6265548c397f214f41bac2006 [2019-11-27 11:24:20,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:20,550 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:20,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:20,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:20,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:20,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:20" (1/1) ... [2019-11-27 11:24:20,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:20, skipping insertion in model container [2019-11-27 11:24:20,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:20" (1/1) ... [2019-11-27 11:24:20,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:20,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:21,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:21,085 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:21,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:21,158 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:21,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21 WrapperNode [2019-11-27 11:24:21,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:21,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:21,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:21,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:21,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2019-11-27 11:24:21,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:21,371 INFO L168 Benchmark]: Toolchain (without parser) took 814.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:21,374 INFO L168 Benchmark]: CDTParser took 4.88 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 11:24:21,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:21,382 INFO L168 Benchmark]: Boogie Preprocessor took 199.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:21,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.88 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 605.90 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 Preprocessor took 199.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...