./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-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 cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cstrcat-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 cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:42:59,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:59,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:59,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:59,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:59,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:59,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:59,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:59,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:59,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:59,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:59,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:59,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:00,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:00,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:00,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:00,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:00,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:00,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:00,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:00,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:00,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:00,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:00,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:00,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:00,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:00,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:00,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:00,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:00,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:00,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:00,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:00,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:00,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:00,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:00,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:00,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:00,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:00,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:00,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:00,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:00,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:00,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:00,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:00,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:00,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:00,140 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:00,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:00,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:00,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:00,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:00,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:00,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:00,146 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:00,150 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:00,151 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:00,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:00,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:00,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:00,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:00,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:00,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:00,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:00,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:00,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:00,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:00,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:00,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:00,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:00,157 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 -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-27 17:43:00,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:00,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:00,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:00,801 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:00,802 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:00,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 17:43:00,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489f72616/3719730a42f94173b3a8fbb9f66892be/FLAG3ad69b473 [2019-11-27 17:43:02,206 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:02,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 17:43:02,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489f72616/3719730a42f94173b3a8fbb9f66892be/FLAG3ad69b473 [2019-11-27 17:43:02,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489f72616/3719730a42f94173b3a8fbb9f66892be [2019-11-27 17:43:02,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:02,302 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:02,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:02,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:02,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:02,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:02, skipping insertion in model container [2019-11-27 17:43:02,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:02,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:03,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:03,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,642 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:03,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03 WrapperNode [2019-11-27 17:43:03,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:03,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:03,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:03,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,869 INFO L168 Benchmark]: Toolchain (without parser) took 1554.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,870 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:03,874 INFO L168 Benchmark]: Boogie Preprocessor took 202.56 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 17:43:03,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1340.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.56 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 0.1.24-509859d [2019-11-27 17:43:07,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:07,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:07,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:07,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:07,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:07,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:07,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:07,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:07,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:07,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:07,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:07,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:07,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:07,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:07,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:07,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:07,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:07,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:07,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:07,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:07,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:07,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:07,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:07,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:07,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:07,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:07,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:07,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:07,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:07,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:07,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:07,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:07,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:07,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:07,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:07,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:07,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:07,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:07,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:07,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:07,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:07,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:07,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:07,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:07,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:07,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:07,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:07,912 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:07,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:07,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:07,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:07,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:07,917 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:07,917 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:07,918 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:07,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:07,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:07,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:07,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:07,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:07,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:07,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:07,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:07,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:07,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:07,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:07,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:07,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:07,928 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:07,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:07,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:07,930 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 -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-27 17:43:08,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:08,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:08,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:08,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:08,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:08,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 17:43:08,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb159722/fbee12bf687642669f169cc9e45254da/FLAGd5d54549c [2019-11-27 17:43:09,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:09,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 17:43:09,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb159722/fbee12bf687642669f169cc9e45254da/FLAGd5d54549c [2019-11-27 17:43:10,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb159722/fbee12bf687642669f169cc9e45254da [2019-11-27 17:43:10,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:10,354 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:10,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:10,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:10,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:10,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567e1af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10, skipping insertion in model container [2019-11-27 17:43:10,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:10,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:11,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:11,485 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:11,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:11,748 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:11,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11 WrapperNode [2019-11-27 17:43:11,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:11,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:11,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:11,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:11,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:11,959 INFO L168 Benchmark]: Toolchain (without parser) took 1601.20 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 979.6 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:11,960 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:11,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.76 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 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:11,965 INFO L168 Benchmark]: Boogie Preprocessor took 197.95 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:11,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1392.76 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 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.95 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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...