./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-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_cmemchr-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 f10d5178d15d886f7ae857469faf20c98bafd5fa ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_cmemchr-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 f10d5178d15d886f7ae857469faf20c98bafd5fa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:33,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:33,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:33,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:33,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:33,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:33,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:33,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:33,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:33,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:33,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:33,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:33,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:33,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:33,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:33,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:33,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:33,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:33,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:33,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:33,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:33,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:33,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:33,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:33,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:33,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:33,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:33,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:33,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:33,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:33,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:33,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:33,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:33,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:33,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:33,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:33,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:33,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:33,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:33,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:33,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:33,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:33,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:33,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:33,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:33,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:33,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:33,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:33,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:33,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:33,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:33,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:33,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:33,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:33,274 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:33,274 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:33,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:33,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:33,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:33,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:33,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:33,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:33,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:33,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:33,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:33,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:33,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:33,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:33,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:33,283 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 -> f10d5178d15d886f7ae857469faf20c98bafd5fa [2019-11-27 11:20:33,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:33,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:33,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:33,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:33,859 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:33,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-27 11:20:34,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4be87ab6/d7bb511efc61471ab93606a5c2a22b20/FLAG57d981a8d [2019-11-27 11:20:35,219 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:35,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-27 11:20:35,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4be87ab6/d7bb511efc61471ab93606a5c2a22b20/FLAG57d981a8d [2019-11-27 11:20:35,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4be87ab6/d7bb511efc61471ab93606a5c2a22b20 [2019-11-27 11:20:35,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:35,758 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:35,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:35,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:35,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:35,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:35" (1/1) ... [2019-11-27 11:20:35,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efee5cf 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 11:20:35,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:35" (1/1) ... [2019-11-27 11:20:35,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:35,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:36,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:36,756 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:36,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:36,979 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:36,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36 WrapperNode [2019-11-27 11:20:36,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:36,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:36,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:36,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:36,999 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 11:20:36,999 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 11:20:37,042 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 11:20:37,043 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 11:20:37,082 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 11:20:37,092 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 11:20:37,102 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 11:20:37,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:37,133 INFO L168 Benchmark]: Toolchain (without parser) took 1363.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:37,140 INFO L168 Benchmark]: CDTParser took 2.55 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 11:20:37,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:37,151 INFO L168 Benchmark]: Boogie Preprocessor took 132.83 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 11:20:37,154 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 1213.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 132.83 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 11:20:41,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:41,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:41,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:41,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:41,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:41,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:41,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:41,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:41,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:41,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:41,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:41,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:41,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:41,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:41,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:41,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:41,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:41,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:41,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:41,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:41,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:41,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:41,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:41,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:41,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:41,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:41,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:41,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:41,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:41,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:41,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:41,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:41,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:41,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:41,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:41,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:41,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:41,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:41,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:41,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:41,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:41,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:41,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:41,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:41,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:41,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:41,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:41,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:41,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:41,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:41,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:41,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:41,265 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:41,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:41,266 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:41,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:41,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:41,267 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:41,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:41,269 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:41,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:41,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:41,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:41,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:41,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:41,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:41,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:41,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:41,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:41,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:41,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:41,276 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 -> f10d5178d15d886f7ae857469faf20c98bafd5fa [2019-11-27 11:20:41,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:41,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:41,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:41,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:41,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:41,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-27 11:20:42,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8299f5ee0/3f1cf0cf95a84ca98794dba230e0d04a/FLAG247ee2eae [2019-11-27 11:20:43,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:43,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-27 11:20:43,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8299f5ee0/3f1cf0cf95a84ca98794dba230e0d04a/FLAG247ee2eae [2019-11-27 11:20:43,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8299f5ee0/3f1cf0cf95a84ca98794dba230e0d04a [2019-11-27 11:20:43,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:43,410 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:43,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:43,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:43,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:43,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:43" (1/1) ... [2019-11-27 11:20:43,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d6d23 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 11:20:43,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:43" (1/1) ... [2019-11-27 11:20:43,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:43,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:44,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:44,524 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:44,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:44,742 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:44,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44 WrapperNode [2019-11-27 11:20:44,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:44,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:44,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:44,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:44,782 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 11:20:44,783 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 11:20:44,827 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 11:20:44,828 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 11:20:44,881 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 11:20:44,908 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 11:20:44,925 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 11:20:44,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:44,956 INFO L168 Benchmark]: Toolchain (without parser) took 1537.17 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 973.9 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:44,958 INFO L168 Benchmark]: CDTParser took 0.50 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 11:20:44,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.80 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:44,969 INFO L168 Benchmark]: Boogie Preprocessor took 198.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:44,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1330.80 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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...