./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/rec_strlen-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 1915ee2ae984f6ece38fc0dcbac99e0ba37faddf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/rec_strlen-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 1915ee2ae984f6ece38fc0dcbac99e0ba37faddf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:45,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:45,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:45,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:45,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:45,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:45,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:45,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:45,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:45,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:45,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:45,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:45,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:45,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:45,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:45,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:45,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:45,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:45,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:45,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:45,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:45,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:45,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:45,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:45,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:45,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:45,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:45,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:45,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:45,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:45,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:45,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:45,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:45,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:45,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:45,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:45,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:45,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:45,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:45,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:45,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:45,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:45,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:45,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:45,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:45,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:45,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:45,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:45,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:45,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:45,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:45,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:45,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:45,891 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:45,892 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:45,892 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:45,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:45,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:45,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:45,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:45,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:45,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:45,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:45,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:45,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:45,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:45,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:45,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:45,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:45,904 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 -> 1915ee2ae984f6ece38fc0dcbac99e0ba37faddf [2019-11-24 22:20:46,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:46,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:46,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:46,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:46,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:46,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2019-11-24 22:20:46,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e546fbe/8a4883f755fc40fa89e5ca23d9ee29c2/FLAG1f4b44df6 [2019-11-24 22:20:47,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:47,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2019-11-24 22:20:47,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e546fbe/8a4883f755fc40fa89e5ca23d9ee29c2/FLAG1f4b44df6 [2019-11-24 22:20:47,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e546fbe/8a4883f755fc40fa89e5ca23d9ee29c2 [2019-11-24 22:20:47,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:47,974 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:47,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:47,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:47,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:47,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:47" (1/1) ... [2019-11-24 22:20:47,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:47, skipping insertion in model container [2019-11-24 22:20:47,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:47" (1/1) ... [2019-11-24 22:20:48,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:48,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:48,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:49,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:49,183 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:49,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49 WrapperNode [2019-11-24 22:20:49,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:49,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:49,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:49,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:49,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:49" (1/1) ... [2019-11-24 22:20:49,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:49,373 INFO L168 Benchmark]: Toolchain (without parser) took 1391.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:49,383 INFO L168 Benchmark]: CDTParser took 1.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:49,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1209.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:49,391 INFO L168 Benchmark]: Boogie Preprocessor took 174.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:49,398 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 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 1209.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:53,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:53,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:53,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:53,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:53,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:53,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:53,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:53,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:53,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:53,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:53,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:53,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:53,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:53,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:53,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:53,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:53,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:53,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:53,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:53,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:53,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:53,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:53,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:53,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:53,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:53,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:53,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:53,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:53,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:53,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:53,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:53,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:53,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:53,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:53,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:53,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:53,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:53,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:53,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:53,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:53,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:53,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:53,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:53,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:53,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:53,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:53,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:53,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:53,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:53,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:53,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:53,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:53,565 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:53,567 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:53,568 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:53,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:53,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:53,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:53,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:53,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:53,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:53,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:53,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:53,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:53,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:53,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:53,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:53,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:53,577 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:53,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:53,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:53,582 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 -> 1915ee2ae984f6ece38fc0dcbac99e0ba37faddf [2019-11-24 22:20:54,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:54,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:54,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:54,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:54,220 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:54,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2019-11-24 22:20:54,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8e5e35e/b63cc87d3de3476fb0538f3fd6165c30/FLAGe6a789d30 [2019-11-24 22:20:55,619 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:55,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/rec_strlen-alloca-1.i [2019-11-24 22:20:55,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8e5e35e/b63cc87d3de3476fb0538f3fd6165c30/FLAGe6a789d30 [2019-11-24 22:20:55,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8e5e35e/b63cc87d3de3476fb0538f3fd6165c30 [2019-11-24 22:20:55,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:55,689 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:55,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:55,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:55,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:55,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:55" (1/1) ... [2019-11-24 22:20:55,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:55, skipping insertion in model container [2019-11-24 22:20:55,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:55" (1/1) ... [2019-11-24 22:20:55,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:55,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:56,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:56,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,981 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:56,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56 WrapperNode [2019-11-24 22:20:56,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:56,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:56,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:57,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:57,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:57,189 INFO L168 Benchmark]: Toolchain (without parser) took 1499.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:57,191 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:57,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:57,202 INFO L168 Benchmark]: Boogie Preprocessor took 194.02 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:57,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1280.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.02 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...