./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/elimination_max_rec.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/elimination_max_rec.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 17d20a29a9e9cc6560e9aa0daac36f5de29f992c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/elimination_max_rec.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 17d20a29a9e9cc6560e9aa0daac36f5de29f992c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:21:00,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:00,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:00,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:00,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:00,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:00,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:00,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:00,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:00,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:00,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:00,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:00,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:00,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:00,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:00,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:00,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:00,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:00,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:00,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:00,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:00,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:00,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:00,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:00,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:00,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:00,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:00,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:00,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:00,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:00,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:00,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:00,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:00,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:00,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:00,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:00,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:00,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:00,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:00,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:00,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:00,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:00,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:00,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:00,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:00,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:00,962 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:00,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:00,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:00,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:00,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:00,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:00,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:00,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:00,967 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:00,967 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:00,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:00,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:00,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:00,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:00,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:00,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:00,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:00,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:00,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:00,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:00,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:00,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:00,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:00,975 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 -> 17d20a29a9e9cc6560e9aa0daac36f5de29f992c [2019-11-24 22:21:01,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:01,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:01,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:01,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:01,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:01,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-24 22:21:01,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64acc57c6/64f6cd870ac64f27984675eadc61b1f3/FLAGb3bf24c4f [2019-11-24 22:21:02,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:02,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-24 22:21:02,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64acc57c6/64f6cd870ac64f27984675eadc61b1f3/FLAGb3bf24c4f [2019-11-24 22:21:02,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64acc57c6/64f6cd870ac64f27984675eadc61b1f3 [2019-11-24 22:21:02,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:02,970 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:02,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:02,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:02,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:02,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b93ca5c 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 22:21:02,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:03,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:03,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:03,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:03,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:03,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:03,702 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:03,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03 WrapperNode [2019-11-24 22:21:03,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:03,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:03,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:03,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:03,738 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 22:21:03,740 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 22:21:03,779 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 22:21:03,780 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 22:21:03,801 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 22:21:03,808 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 22:21:03,812 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 22:21:03,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:03,826 INFO L168 Benchmark]: Toolchain (without parser) took 854.96 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:03,831 INFO L168 Benchmark]: CDTParser took 0.56 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 22:21:03,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.61 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:03,834 INFO L168 Benchmark]: Boogie Preprocessor took 114.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:03,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 733.61 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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 0.1.24-32f2683 [2019-11-24 22:21:07,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:07,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:07,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:07,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:07,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:07,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:07,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:07,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:07,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:07,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:07,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:07,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:07,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:07,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:07,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:07,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:07,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:07,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:07,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:07,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:07,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:07,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:07,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:07,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:07,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:07,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:07,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:07,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:07,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:07,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:07,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:07,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:07,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:07,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:07,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:07,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:07,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:07,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:07,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:07,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:07,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:07,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:07,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:07,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:07,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:07,853 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:07,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:07,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:07,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:07,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:07,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:07,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:07,858 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:07,858 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:07,861 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:07,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:07,862 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:07,862 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:07,862 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:07,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:07,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:07,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:07,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:07,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:07,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:07,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:07,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:07,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:07,870 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:07,870 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:07,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:07,872 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 -> 17d20a29a9e9cc6560e9aa0daac36f5de29f992c [2019-11-24 22:21:08,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:08,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:08,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:08,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:08,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:08,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-24 22:21:08,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b3a77725/35578179e937495797bbf53865f8c4bc/FLAG8b03a4364 [2019-11-24 22:21:09,672 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:09,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-24 22:21:09,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b3a77725/35578179e937495797bbf53865f8c4bc/FLAG8b03a4364 [2019-11-24 22:21:09,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b3a77725/35578179e937495797bbf53865f8c4bc [2019-11-24 22:21:09,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:09,745 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:09,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:09,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:09,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:09,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496f2f38 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 22:21:09,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:09,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:10,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:10,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,512 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:10,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10 WrapperNode [2019-11-24 22:21:10,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:10,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:10,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:10,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:10,555 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 22:21:10,556 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 22:21:10,596 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 22:21:10,596 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 22:21:10,624 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 22:21:10,628 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 22:21:10,634 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 22:21:10,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:10,648 INFO L168 Benchmark]: Toolchain (without parser) took 898.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:10,649 INFO L168 Benchmark]: CDTParser took 1.23 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 22:21:10,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:10,658 INFO L168 Benchmark]: Boogie Preprocessor took 127.21 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:10,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 764.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.21 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...