./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/lcp.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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/lcp.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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:43:16,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:16,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:16,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:16,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:16,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:16,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:16,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:16,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:16,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:16,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:16,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:16,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:16,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:16,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:16,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:16,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:16,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:16,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:16,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:16,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:16,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:16,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:16,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:16,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:16,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:16,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:16,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:16,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:16,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:16,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:16,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:16,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:16,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:16,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:16,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:16,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:16,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:16,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:16,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:16,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:16,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:16,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:16,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:16,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:16,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:16,879 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:16,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:16,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:16,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:16,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:16,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:16,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:16,894 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:16,896 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:16,896 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:16,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:16,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:16,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:16,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:16,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:16,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:16,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:16,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:16,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:16,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:16,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:16,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:16,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:16,907 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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-11-27 17:43:17,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:17,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:17,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:17,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:17,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:17,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-27 17:43:17,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0859e0af2/d3819022ab744191812f7b33b71cafc5/FLAG734d491df [2019-11-27 17:43:18,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:18,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-27 17:43:18,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0859e0af2/d3819022ab744191812f7b33b71cafc5/FLAG734d491df [2019-11-27 17:43:18,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0859e0af2/d3819022ab744191812f7b33b71cafc5 [2019-11-27 17:43:18,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:18,846 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:18,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:18,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:18,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:18,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18, skipping insertion in model container [2019-11-27 17:43:18,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:18,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:19,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:19,437 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:19,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:19,650 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:19,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19 WrapperNode [2019-11-27 17:43:19,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:19,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:19,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:19,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,807 INFO L168 Benchmark]: Toolchain (without parser) took 960.30 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:19,812 INFO L168 Benchmark]: CDTParser took 2.87 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 17:43:19,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.54 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:19,815 INFO L168 Benchmark]: Boogie Preprocessor took 144.16 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. [2019-11-27 17:43:19,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.87 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 808.54 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.16 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:23,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:23,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:23,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:23,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:23,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:23,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:23,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:23,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:23,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:23,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:23,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:23,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:23,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:23,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:23,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:23,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:23,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:23,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:23,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:23,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:23,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:23,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:23,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:23,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:23,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:23,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:23,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:23,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:23,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:23,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:23,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:23,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:23,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:23,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:23,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:23,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:23,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:23,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:23,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:23,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:23,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:23,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:23,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:23,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:23,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:23,992 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:23,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:23,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:23,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:23,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:23,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:23,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:23,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:23,998 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:23,998 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:23,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:23,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:24,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:24,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:24,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:24,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:24,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:24,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:24,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:24,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:24,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:24,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:24,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:24,007 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:24,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:24,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:24,011 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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-11-27 17:43:24,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:24,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:24,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:24,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:24,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:24,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2019-11-27 17:43:24,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0fa2280/beee5507964f4fb79f55af5d6bc1fe67/FLAG7fb2d4819 [2019-11-27 17:43:25,944 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:25,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2019-11-27 17:43:25,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0fa2280/beee5507964f4fb79f55af5d6bc1fe67/FLAG7fb2d4819 [2019-11-27 17:43:26,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0fa2280/beee5507964f4fb79f55af5d6bc1fe67 [2019-11-27 17:43:26,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:26,023 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:26,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:26,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:26,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:26,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,047 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 27.11 05:43:26, skipping insertion in model container [2019-11-27 17:43:26,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:26,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:26,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,672 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:26,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,885 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:26,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26 WrapperNode [2019-11-27 17:43:26,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:26,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:26,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:26,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:26,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:27,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:27,013 INFO L168 Benchmark]: Toolchain (without parser) took 988.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:27,014 INFO L168 Benchmark]: CDTParser took 0.48 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 17:43:27,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.83 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:27,021 INFO L168 Benchmark]: Boogie Preprocessor took 119.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:27,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 859.83 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...