./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/count_down_unsafe.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/count_down_unsafe.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 744113fc2ef40828e0832f07c1176e726449b166 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/count_down_unsafe.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 744113fc2ef40828e0832f07c1176e726449b166 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:20:28,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:28,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:28,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:28,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:28,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:28,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:28,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:28,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:28,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:28,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:28,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:28,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:28,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:28,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:28,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:28,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:28,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:28,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:28,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:28,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:28,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:28,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:28,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:28,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:28,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:28,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:28,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:28,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:28,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:28,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:28,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:28,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:28,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:28,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:28,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:28,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:28,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:28,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:28,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:28,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:28,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:28,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:28,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:28,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:28,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:28,906 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:28,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:28,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:28,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:28,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:28,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:28,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:28,911 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:28,912 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:28,913 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:28,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:28,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:28,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:28,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:28,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:28,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:28,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:28,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:28,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:28,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:28,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:28,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:28,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:28,922 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 -> 744113fc2ef40828e0832f07c1176e726449b166 [2019-11-24 22:20:29,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:29,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:29,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:29,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:29,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:29,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-24 22:20:29,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc21d6e9e/d440987892c74fb6aa3de7824ee0a216/FLAG441328cf8 [2019-11-24 22:20:30,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:30,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-24 22:20:30,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc21d6e9e/d440987892c74fb6aa3de7824ee0a216/FLAG441328cf8 [2019-11-24 22:20:31,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc21d6e9e/d440987892c74fb6aa3de7824ee0a216 [2019-11-24 22:20:31,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:31,029 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:31,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:31,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:31,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:31,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31, skipping insertion in model container [2019-11-24 22:20:31,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:31,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:32,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:32,134 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:32,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:32,377 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:32,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32 WrapperNode [2019-11-24 22:20:32,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:32,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:32,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:32,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:32,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:32,570 INFO L168 Benchmark]: Toolchain (without parser) took 1537.77 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. [2019-11-24 22:20:32,589 INFO L168 Benchmark]: CDTParser took 0.58 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 22:20:32,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1346.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,593 INFO L168 Benchmark]: Boogie Preprocessor took 183.79 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. [2019-11-24 22:20:32,601 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 1346.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 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 183.79 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 0.1.24-32f2683 [2019-11-24 22:20:36,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:36,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:36,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:36,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:36,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:36,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:36,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:36,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:36,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:36,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:36,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:36,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:36,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:36,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:36,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:36,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:36,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:36,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:36,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:36,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:36,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:36,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:36,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:36,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:36,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:36,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:36,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:36,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:36,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:36,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:36,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:36,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:36,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:36,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:36,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:36,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:36,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:36,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:36,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:36,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:36,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:36,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:36,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:36,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:36,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:36,638 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:36,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:36,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:36,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:36,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:36,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:36,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:36,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:36,645 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:36,646 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:36,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:36,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:36,648 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:36,649 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:36,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:36,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:36,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:36,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:36,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:36,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:36,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:36,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:36,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:36,655 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:36,656 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:36,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:36,657 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 -> 744113fc2ef40828e0832f07c1176e726449b166 [2019-11-24 22:20:37,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:37,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:37,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:37,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:37,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:37,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-24 22:20:37,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4cf91af/b4e55fbd0e7c4d868daccf1bdd3a3ffb/FLAG202b5a4cc [2019-11-24 22:20:38,680 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:38,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-24 22:20:38,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4cf91af/b4e55fbd0e7c4d868daccf1bdd3a3ffb/FLAG202b5a4cc [2019-11-24 22:20:38,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4cf91af/b4e55fbd0e7c4d868daccf1bdd3a3ffb [2019-11-24 22:20:38,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:38,779 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:38,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:38,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:38,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:38,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38, skipping insertion in model container [2019-11-24 22:20:38,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:38,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:39,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:39,872 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:39,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:40,127 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:40,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40 WrapperNode [2019-11-24 22:20:40,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:40,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:40,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:40,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:40,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:40" (1/1) ... [2019-11-24 22:20:40,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:40,320 INFO L168 Benchmark]: Toolchain (without parser) took 1539.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:40,324 INFO L168 Benchmark]: CDTParser took 0.34 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 22:20:40,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:40,327 INFO L168 Benchmark]: Boogie Preprocessor took 179.46 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 22:20:40,332 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1350.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.46 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...