./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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/verifythis/duplets.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 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 32bit --witnessprinter.graph.data.programhash c261d11d6e37ef6eda45455c8074b5a0eac3352b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/duplets.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 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 32bit --witnessprinter.graph.data.programhash c261d11d6e37ef6eda45455c8074b5a0eac3352b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:00,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:00,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:00,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:00,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:00,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:00,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:00,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:00,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:00,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:00,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:00,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:00,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:00,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:00,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:00,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:00,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:00,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:00,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:00,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:00,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:00,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:00,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:00,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:00,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:00,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:00,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:00,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:00,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:00,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:00,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:00,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:00,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:00,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:00,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:00,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:00,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:00,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:00,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:00,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:00,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:00,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:00,805 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:00,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:00,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:00,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:00,815 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:00,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:00,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:00,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:00,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:00,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:00,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:00,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:00,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:00,818 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:00,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:00,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:00,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:00,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:00,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:00,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:00,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:00,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:00,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:00,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:00,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:00,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:00,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:00,831 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-24 22:21:01,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:01,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:01,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:01,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:01,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:01,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-24 22:21:01,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485def73e/300d4fdc5ca64e1a8ca749d89d18c8d7/FLAG3169386da [2019-11-24 22:21:02,749 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:02,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-24 22:21:02,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485def73e/300d4fdc5ca64e1a8ca749d89d18c8d7/FLAG3169386da [2019-11-24 22:21:02,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485def73e/300d4fdc5ca64e1a8ca749d89d18c8d7 [2019-11-24 22:21:02,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:02,819 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:02,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:02,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:02,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:02,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02, skipping insertion in model container [2019-11-24 22:21:02,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:02,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:03,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:03,470 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:03,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:03,692 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:03,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03 WrapperNode [2019-11-24 22:21:03,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:03,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:03,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:03,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:03,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:03,846 INFO L168 Benchmark]: Toolchain (without parser) took 1017.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:03,857 INFO L168 Benchmark]: CDTParser took 2.92 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. [2019-11-24 22:21:03,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:03,866 INFO L168 Benchmark]: Boogie Preprocessor took 137.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:03,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 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 869.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 137.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-32f2683 [2019-11-24 22:21:07,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:07,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:07,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:07,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:07,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:07,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:07,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:07,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:07,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:07,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:07,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:07,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:07,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:07,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:07,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:07,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:07,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:07,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:07,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:07,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:07,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:07,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:07,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:07,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:07,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:07,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:07,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:07,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:07,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:07,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:07,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:07,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:07,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:07,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:07,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:07,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:07,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:07,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:07,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:07,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:07,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:07,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:07,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:07,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:07,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:07,933 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:07,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:07,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:07,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:07,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:07,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:07,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:07,938 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:07,938 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:07,938 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:07,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:07,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:07,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:07,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:07,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:07,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:07,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:07,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:07,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:07,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:07,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:07,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:07,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:07,949 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:07,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:07,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:07,951 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-24 22:21:08,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:08,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:08,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:08,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:08,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:08,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-24 22:21:08,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa6bab80/62c81abdd96e471286d118955e81e714/FLAG417efbcea [2019-11-24 22:21:09,879 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:09,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-24 22:21:09,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa6bab80/62c81abdd96e471286d118955e81e714/FLAG417efbcea [2019-11-24 22:21:09,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa6bab80/62c81abdd96e471286d118955e81e714 [2019-11-24 22:21:09,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:09,950 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:09,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:09,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:09,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:09,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae0a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09, skipping insertion in model container [2019-11-24 22:21:09,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:10,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:10,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,594 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:10,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,819 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:10,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10 WrapperNode [2019-11-24 22:21:10,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:10,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:10,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:10,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:10,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:10,964 INFO L168 Benchmark]: Toolchain (without parser) took 1010.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:10,968 INFO L168 Benchmark]: CDTParser took 2.88 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. [2019-11-24 22:21:10,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.47 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:10,972 INFO L168 Benchmark]: Boogie Preprocessor took 136.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:10,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.88 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 865.47 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 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...