./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -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 822411a57a10ce043cb0121fce52bdc7e9506783 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-memsafety/openbsd_cbzero-alloca-2.i -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 822411a57a10ce043cb0121fce52bdc7e9506783 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:32,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:32,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:32,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:32,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:32,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:32,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:32,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:32,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:32,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:32,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:32,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:32,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:32,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:32,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:32,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:32,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:32,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:32,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:32,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:32,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:32,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:32,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:32,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:32,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:32,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:32,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:33,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:33,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:33,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:33,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:33,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:33,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:33,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:33,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:33,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:33,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:33,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:33,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:33,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:33,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:33,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:33,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:33,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:33,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:33,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:33,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:33,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:33,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:33,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:33,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:33,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:33,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:33,077 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:33,077 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:33,080 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:33,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:33,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:33,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:33,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:33,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:33,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:33,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:33,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:33,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:33,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:33,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:33,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:33,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:33,088 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 -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2019-11-27 11:20:33,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:33,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:33,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:33,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:33,718 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:33,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-27 11:20:33,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0459d51/245413e69d224cdd91c5c2605dc1a6d5/FLAG987185256 [2019-11-27 11:20:35,048 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:35,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-27 11:20:35,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0459d51/245413e69d224cdd91c5c2605dc1a6d5/FLAG987185256 [2019-11-27 11:20:35,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0459d51/245413e69d224cdd91c5c2605dc1a6d5 [2019-11-27 11:20:35,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:35,579 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:35,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:35,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:35,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:35,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:35" (1/1) ... [2019-11-27 11:20:35,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:35, skipping insertion in model container [2019-11-27 11:20:35,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:35" (1/1) ... [2019-11-27 11:20:35,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:35,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:36,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:36,629 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:36,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:36,852 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36 WrapperNode [2019-11-27 11:20:36,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:36,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:36,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:36,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:36,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:37,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:37,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:37,041 INFO L168 Benchmark]: Toolchain (without parser) took 1456.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:37,044 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:37,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1264.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:37,056 INFO L168 Benchmark]: Boogie Preprocessor took 175.63 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:37,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 1264.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.63 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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-da95e15 [2019-11-27 11:20:40,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:40,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:40,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:40,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:40,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:40,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:40,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:40,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:40,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:40,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:40,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:40,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:40,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:40,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:40,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:40,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:40,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:40,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:40,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:40,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:40,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:40,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:40,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:40,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:40,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:40,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:40,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:40,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:40,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:40,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:40,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:40,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:40,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:40,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:40,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:40,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:40,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:40,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:40,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:40,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:40,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:41,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:41,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:41,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:41,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:41,026 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:41,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:41,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:41,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:41,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:41,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:41,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:41,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:41,034 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:41,035 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:41,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:41,036 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:41,036 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:41,036 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:41,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:41,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:41,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:41,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:41,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:41,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:41,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:41,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:41,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:41,044 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:41,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:41,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:41,047 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 -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2019-11-27 11:20:41,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:41,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:41,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:41,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:41,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:41,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-27 11:20:41,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e436286/e7070165c95e43a5b588c567315113cc/FLAGf9c6d4bdd [2019-11-27 11:20:42,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:43,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-27 11:20:43,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e436286/e7070165c95e43a5b588c567315113cc/FLAGf9c6d4bdd [2019-11-27 11:20:43,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e436286/e7070165c95e43a5b588c567315113cc [2019-11-27 11:20:43,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:43,099 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:43,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:43,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:43,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:43,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:43" (1/1) ... [2019-11-27 11:20:43,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac859b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:43, skipping insertion in model container [2019-11-27 11:20:43,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:43" (1/1) ... [2019-11-27 11:20:43,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:43,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:44,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:44,217 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:44,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:44,459 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:44,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44 WrapperNode [2019-11-27 11:20:44,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:44,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:44,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:44,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:44,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:44,667 INFO L168 Benchmark]: Toolchain (without parser) took 1560.82 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:44,668 INFO L168 Benchmark]: CDTParser took 1.71 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:44,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.07 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:44,674 INFO L168 Benchmark]: Boogie Preprocessor took 195.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:44,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 1353.07 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 195.26 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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...