./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/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-da95e15 [2019-11-27 11:20:18,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:18,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:18,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:18,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:18,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:18,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:18,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:18,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:18,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:18,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:18,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:18,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:18,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:18,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:18,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:18,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:18,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:18,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:18,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:18,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:18,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:18,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:18,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:18,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:18,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:18,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:18,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:18,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:18,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:18,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:18,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:18,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:18,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:18,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:18,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:18,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:18,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:18,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:18,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:18,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:18,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:18,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:18,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:18,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:18,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:18,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:18,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:18,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:18,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:18,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:18,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:18,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:18,930 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:18,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:18,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:18,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:18,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:18,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:18,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:18,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:18,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:18,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:18,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:18,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:18,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:18,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:18,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:18,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:18,939 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 [2019-11-27 11:20:19,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:19,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:19,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:19,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:19,579 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:19,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-27 11:20:19,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872473295/3667be617315440aa58df9c44a851f36/FLAGa1bfdcbe4 [2019-11-27 11:20:20,943 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:20,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-27 11:20:20,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872473295/3667be617315440aa58df9c44a851f36/FLAGa1bfdcbe4 [2019-11-27 11:20:21,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872473295/3667be617315440aa58df9c44a851f36 [2019-11-27 11:20:21,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:21,039 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:21,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:21,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:21,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:21,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:21, skipping insertion in model container [2019-11-27 11:20:21,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:21" (1/1) ... [2019-11-27 11:20:21,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:21,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:22,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:22,143 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:22,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:22,379 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:22,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22 WrapperNode [2019-11-27 11:20:22,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:22,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:22,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:22,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:22,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:22" (1/1) ... [2019-11-27 11:20:22,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:22,550 INFO L168 Benchmark]: Toolchain (without parser) took 1504.49 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 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:22,552 INFO L168 Benchmark]: CDTParser took 1.49 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. [2019-11-27 11:20:22,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1342.80 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:22,557 INFO L168 Benchmark]: Boogie Preprocessor took 154.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:22,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 1342.80 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 154.54 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-da95e15 [2019-11-27 11:20:26,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:26,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:26,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:26,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:26,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:26,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:26,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:26,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:26,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:26,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:26,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:26,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:26,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:26,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:26,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:26,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:26,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:26,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:26,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:26,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:26,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:26,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:26,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:26,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:26,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:26,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:26,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:26,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:26,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:26,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:26,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:26,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:26,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:26,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:26,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:26,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:26,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:26,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:26,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:26,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:26,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:26,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:26,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:26,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:26,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:26,672 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:26,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:26,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:26,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:26,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:26,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:26,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:26,678 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:26,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:26,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:26,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:26,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:26,682 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:26,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:26,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:26,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:26,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:26,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:26,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:26,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:26,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:26,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:26,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:26,688 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:26,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:26,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:26,691 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 [2019-11-27 11:20:27,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:27,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:27,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:27,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:27,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:27,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-27 11:20:27,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae018e60/d591231a04c8495ebed5a6e2f97e967f/FLAG0757f7285 [2019-11-27 11:20:28,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:28,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/count_down_unsafe.i [2019-11-27 11:20:28,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae018e60/d591231a04c8495ebed5a6e2f97e967f/FLAG0757f7285 [2019-11-27 11:20:29,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae018e60/d591231a04c8495ebed5a6e2f97e967f [2019-11-27 11:20:29,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:29,127 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:29,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:29,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:29,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:29,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:29" (1/1) ... [2019-11-27 11:20:29,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:29, skipping insertion in model container [2019-11-27 11:20:29,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:29" (1/1) ... [2019-11-27 11:20:29,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:29,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:30,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:30,103 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:30,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:30,381 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:30,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30 WrapperNode [2019-11-27 11:20:30,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:30,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:30,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:30,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:30,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:30" (1/1) ... [2019-11-27 11:20:30,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:30,600 INFO L168 Benchmark]: Toolchain (without parser) took 1470.80 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 11:20:30,603 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:30,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.28 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 11:20:30,608 INFO L168 Benchmark]: Boogie Preprocessor took 203.22 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 11:20:30,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1253.28 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 203.22 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...