./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.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_cstrcmp-alloca-1.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 f68b319d77fa756392ca29e618a1e0accd9b6c9e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cstrcmp-alloca-1.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 f68b319d77fa756392ca29e618a1e0accd9b6c9e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:20:34,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:34,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:34,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:34,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:34,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:34,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:34,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:34,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:34,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:34,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:34,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:34,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:34,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:34,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:34,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:34,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:34,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:34,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:34,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:34,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:34,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:34,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:34,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:34,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:34,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:34,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:34,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:34,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:34,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:34,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:34,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:34,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:34,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:34,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:34,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:34,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:34,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:34,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:34,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:34,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:34,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:34,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:34,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:34,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:34,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:34,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:34,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:34,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:34,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:34,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:34,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:34,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:34,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:34,362 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:34,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:34,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:34,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:34,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:34,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:34,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:34,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:34,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:34,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:34,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:34,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:34,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:34,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:34,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:34,370 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 -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2019-11-27 11:20:34,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:34,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:34,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:34,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:34,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:34,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-27 11:20:35,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516782074/8796f35ca5604370bf49f86118826d8b/FLAG515ab01ba [2019-11-27 11:20:36,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:36,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-27 11:20:36,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516782074/8796f35ca5604370bf49f86118826d8b/FLAG515ab01ba [2019-11-27 11:20:36,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516782074/8796f35ca5604370bf49f86118826d8b [2019-11-27 11:20:36,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:36,814 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:36,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:36,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:36,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:36,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209840f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36, skipping insertion in model container [2019-11-27 11:20:36,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:36,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:37,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,903 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:38,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:38,170 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:38,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38 WrapperNode [2019-11-27 11:20:38,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:38,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:38,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:38,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:38,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:38" (1/1) ... [2019-11-27 11:20:38,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:38,373 INFO L168 Benchmark]: Toolchain (without parser) took 1557.81 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 979.5 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:38,377 INFO L168 Benchmark]: CDTParser took 0.59 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 11:20:38,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1356.53 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 979.5 MB in the end (delta: -19.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:38,383 INFO L168 Benchmark]: Boogie Preprocessor took 190.25 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:38,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 1356.53 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 979.5 MB in the end (delta: -19.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.25 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 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 11:20:42,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:42,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:42,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:42,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:42,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:42,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:42,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:42,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:42,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:42,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:42,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:42,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:42,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:42,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:42,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:42,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:42,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:42,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:42,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:42,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:42,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:42,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:42,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:42,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:42,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:42,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:42,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:42,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:42,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:42,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:42,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:42,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:42,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:42,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:42,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:42,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:42,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:42,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:42,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:42,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:42,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:42,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:42,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:42,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:42,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:42,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:42,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:42,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:42,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:42,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:42,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:42,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:42,425 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:42,426 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:42,426 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:42,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:42,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:42,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:42,428 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:42,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:42,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:42,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:42,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:42,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:42,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:42,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:42,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:42,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:42,436 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:42,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:42,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:42,438 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 -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2019-11-27 11:20:42,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:42,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:43,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:43,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:43,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:43,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-27 11:20:43,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898bb2925/125232f28a6f4cbc988e1f55807e1851/FLAGe76c79395 [2019-11-27 11:20:44,349 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:44,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-27 11:20:44,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898bb2925/125232f28a6f4cbc988e1f55807e1851/FLAGe76c79395 [2019-11-27 11:20:44,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898bb2925/125232f28a6f4cbc988e1f55807e1851 [2019-11-27 11:20:44,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:44,451 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:44,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:44,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:44,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:44,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44, skipping insertion in model container [2019-11-27 11:20:44,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:44,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:45,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:45,498 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:45,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:45,768 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:45,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45 WrapperNode [2019-11-27 11:20:45,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:45,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:45,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:45,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:45,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:45,954 INFO L168 Benchmark]: Toolchain (without parser) took 1504.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 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. [2019-11-27 11:20:45,959 INFO L168 Benchmark]: CDTParser took 0.32 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 11:20:45,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1306.36 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:45,964 INFO L168 Benchmark]: Boogie Preprocessor took 178.96 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. [2019-11-27 11:20:45,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1306.36 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 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 178.96 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...