./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --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/array-memsafety/openbsd_cstrncmp-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 f3eebd0d696af164582cbeee8be4a910d35e299c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cstrncmp-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 f3eebd0d696af164582cbeee8be4a910d35e299c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:20:45,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:45,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:45,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:45,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:45,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:45,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:45,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:45,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:45,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:45,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:45,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:45,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:45,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:45,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:45,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:45,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:45,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:45,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:45,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:45,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:45,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:45,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:45,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:45,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:45,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:45,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:45,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:45,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:45,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:45,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:45,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:45,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:45,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:45,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:45,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:45,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:45,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:45,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:45,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:45,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:45,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:45,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:45,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:45,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:45,306 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:45,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:45,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:45,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:45,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:45,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:45,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:45,309 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:45,312 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:45,312 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:45,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:45,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:45,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:45,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:45,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:45,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:45,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:45,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:45,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:45,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:45,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:45,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:45,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:45,322 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 -> f3eebd0d696af164582cbeee8be4a910d35e299c [2019-11-24 22:20:45,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:46,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:46,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:46,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:46,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:46,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2019-11-24 22:20:46,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab39a0ec/4239353556f84eeeba18e69d4e38feaa/FLAG0f81a154f [2019-11-24 22:20:47,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:47,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2019-11-24 22:20:47,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab39a0ec/4239353556f84eeeba18e69d4e38feaa/FLAG0f81a154f [2019-11-24 22:20:47,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab39a0ec/4239353556f84eeeba18e69d4e38feaa [2019-11-24 22:20:47,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:47,461 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:47,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:47,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:47,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:47,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:47" (1/1) ... [2019-11-24 22:20:47,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fbbcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:47, skipping insertion in model container [2019-11-24 22:20:47,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:47" (1/1) ... [2019-11-24 22:20:47,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:47,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:48,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,497 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:48,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,755 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:48,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48 WrapperNode [2019-11-24 22:20:48,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:48,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:48,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:48,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,980 INFO L168 Benchmark]: Toolchain (without parser) took 1497.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,981 INFO L168 Benchmark]: CDTParser took 0.66 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 22:20:48,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:48,989 INFO L168 Benchmark]: Boogie Preprocessor took 193.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 1291.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:52,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:52,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:52,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:52,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:52,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:52,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:52,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:52,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:52,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:52,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:52,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:52,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:52,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:52,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:52,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:52,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:52,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:52,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:53,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:53,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:53,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:53,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:53,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:53,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:53,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:53,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:53,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:53,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:53,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:53,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:53,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:53,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:53,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:53,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:53,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:53,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:53,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:53,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:53,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:53,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:53,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:53,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:53,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:53,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:53,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:53,107 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:53,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:53,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:53,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:53,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:53,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:53,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:53,112 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:53,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:53,113 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:53,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:53,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:53,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:53,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:53,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:53,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:53,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:53,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:53,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:53,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:53,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:53,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:53,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:53,122 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:53,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:53,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:53,124 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 -> f3eebd0d696af164582cbeee8be4a910d35e299c [2019-11-24 22:20:53,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:53,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:53,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:53,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:53,761 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:53,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2019-11-24 22:20:53,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb337f9d8/55ba5fa6092449c3850cb8369e75dae6/FLAGe62991e96 [2019-11-24 22:20:55,049 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:55,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2019-11-24 22:20:55,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb337f9d8/55ba5fa6092449c3850cb8369e75dae6/FLAGe62991e96 [2019-11-24 22:20:55,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb337f9d8/55ba5fa6092449c3850cb8369e75dae6 [2019-11-24 22:20:55,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:55,182 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:55,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:55,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:55,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:55,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:55" (1/1) ... [2019-11-24 22:20:55,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a25cc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:55, skipping insertion in model container [2019-11-24 22:20:55,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:55" (1/1) ... [2019-11-24 22:20:55,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:55,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:56,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,274 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:56,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,557 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:56,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56 WrapperNode [2019-11-24 22:20:56,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:56,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:56,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:56,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,765 INFO L168 Benchmark]: Toolchain (without parser) took 1577.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:56,767 INFO L168 Benchmark]: CDTParser took 0.21 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 22:20:56,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1365.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:56,785 INFO L168 Benchmark]: Boogie Preprocessor took 193.63 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:56,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1365.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.63 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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...