./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-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_cstrspn-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 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_cstrspn-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 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:43:00,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:00,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:00,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:00,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:00,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:00,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:00,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:00,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:00,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:00,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:00,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:00,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:00,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:00,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:00,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:00,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:00,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:00,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:00,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:00,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:00,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:00,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:00,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:00,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:00,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:00,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:00,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:00,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:00,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:00,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:00,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:00,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:00,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:00,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:00,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:00,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:00,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:00,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:00,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:00,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:00,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:00,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:00,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:00,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:00,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:00,869 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:00,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:00,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:00,872 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:00,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:00,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:00,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:00,874 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:00,874 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:00,877 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:00,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:00,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:00,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:00,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:00,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:00,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:00,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:00,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:00,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:00,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:00,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:00,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:00,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:00,886 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 -> 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 [2019-11-27 17:43:01,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:01,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:01,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:01,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:01,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:01,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2019-11-27 17:43:01,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5cfe77d/06048fe822984c6092579d02c8ba6fee/FLAGc784a3890 [2019-11-27 17:43:02,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:02,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2019-11-27 17:43:02,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5cfe77d/06048fe822984c6092579d02c8ba6fee/FLAGc784a3890 [2019-11-27 17:43:02,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5cfe77d/06048fe822984c6092579d02c8ba6fee [2019-11-27 17:43:02,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:02,981 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:02,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:02,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:02,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:02,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:03,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d 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 17:43:03,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:03,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:03,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:04,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:04,023 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:04,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:04,271 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:04,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04 WrapperNode [2019-11-27 17:43:04,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:04,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:04,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:04,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:04,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:04,446 INFO L168 Benchmark]: Toolchain (without parser) took 1452.93 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 17:43:04,455 INFO L168 Benchmark]: CDTParser took 0.65 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 17:43:04,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.91 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 17:43:04,461 INFO L168 Benchmark]: Boogie Preprocessor took 152.34 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 17:43:04,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 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 1285.91 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 152.34 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 17:43:08,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:08,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:08,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:08,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:08,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:08,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:08,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:08,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:08,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:08,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:08,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:08,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:08,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:08,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:08,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:08,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:08,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:08,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:08,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:08,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:08,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:08,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:08,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:08,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:08,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:08,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:08,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:08,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:08,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:08,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:08,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:08,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:08,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:08,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:08,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:08,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:08,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:08,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:08,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:08,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:08,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:08,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:08,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:08,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:08,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:08,571 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:08,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:08,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:08,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:08,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:08,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:08,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:08,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:08,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:08,580 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:08,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:08,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:08,581 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:08,581 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:08,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:08,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:08,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:08,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:08,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:08,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:08,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:08,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:08,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:08,587 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:08,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:08,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:08,590 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 -> 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 [2019-11-27 17:43:09,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:09,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:09,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:09,187 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:09,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:09,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2019-11-27 17:43:09,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e74143b/1d16592b8d894da2bcc6be23250bd616/FLAG34fcdb496 [2019-11-27 17:43:10,376 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:10,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2019-11-27 17:43:10,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e74143b/1d16592b8d894da2bcc6be23250bd616/FLAG34fcdb496 [2019-11-27 17:43:10,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e74143b/1d16592b8d894da2bcc6be23250bd616 [2019-11-27 17:43:10,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:10,447 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:10,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:10,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:10,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:10,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb17a 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 17:43:10,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:10,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:11,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:11,627 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:11,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:11,891 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:11,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11 WrapperNode [2019-11-27 17:43:11,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:11,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:11,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:11,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:11,929 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 17:43:11,932 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 17:43:11,984 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 17:43:11,985 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 17:43:12,052 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 17:43:12,062 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 17:43:12,073 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 17:43:12,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:12,098 INFO L168 Benchmark]: Toolchain (without parser) took 1646.91 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:12,102 INFO L168 Benchmark]: CDTParser took 0.45 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 17:43:12,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1430.56 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:12,113 INFO L168 Benchmark]: Boogie Preprocessor took 194.99 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 17:43:12,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1430.56 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.99 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...