./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/tree_stack.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/memsafety-ext/tree_stack.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 3e23c3bca784f04992b2007c94519fee617936af ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety-ext/tree_stack.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 3e23c3bca784f04992b2007c94519fee617936af .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:21:30,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:30,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:30,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:30,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:30,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:30,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:30,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:30,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:30,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:30,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:30,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:30,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:30,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:30,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:30,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:30,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:30,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:30,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:30,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:30,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:30,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:30,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:30,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:30,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:30,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:30,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:30,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:30,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:30,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:30,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:30,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:30,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:30,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:30,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:30,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:30,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:30,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:30,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:30,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:30,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:30,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:30,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:30,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:30,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:30,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:30,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:30,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:30,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:30,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:30,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:30,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:30,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:30,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:30,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:30,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:30,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:30,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:30,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:30,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:30,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:30,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:30,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:30,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:30,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:30,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:30,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:30,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:30,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:30,700 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 -> 3e23c3bca784f04992b2007c94519fee617936af [2019-11-24 22:21:31,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:31,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:31,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:31,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:31,314 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:31,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-24 22:21:31,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59163346/8dd07faee60c4d2b975c31762c9d675d/FLAGd2d61180a [2019-11-24 22:21:32,688 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:32,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-24 22:21:32,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59163346/8dd07faee60c4d2b975c31762c9d675d/FLAGd2d61180a [2019-11-24 22:21:33,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59163346/8dd07faee60c4d2b975c31762c9d675d [2019-11-24 22:21:33,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:33,189 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:33,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:33,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:33,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:33,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:33" (1/1) ... [2019-11-24 22:21:33,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb9fd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:33, skipping insertion in model container [2019-11-24 22:21:33,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:33" (1/1) ... [2019-11-24 22:21:33,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:33,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:34,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:34,370 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:34,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:34,648 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:34,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34 WrapperNode [2019-11-24 22:21:34,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:34,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:34,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:34,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:34,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:34,875 INFO L168 Benchmark]: Toolchain (without parser) took 1672.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:34,876 INFO L168 Benchmark]: CDTParser took 1.74 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 22:21:34,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:34,892 INFO L168 Benchmark]: Boogie Preprocessor took 206.29 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:34,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74 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 1453.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 206.29 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:38,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:38,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:38,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:38,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:38,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:38,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:38,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:38,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:38,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:38,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:38,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:38,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:38,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:38,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:38,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:38,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:38,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:38,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:38,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:38,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:38,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:38,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:38,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:38,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:38,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:38,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:38,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:38,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:38,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:38,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:38,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:38,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:38,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:38,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:38,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:38,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:38,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:38,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:38,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:38,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:38,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:39,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:39,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:39,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:39,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:39,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:39,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:39,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:39,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:39,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:39,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:39,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:39,019 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:39,019 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:39,022 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:39,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:39,022 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:39,023 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:39,023 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:39,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:39,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:39,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:39,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:39,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:39,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:39,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:39,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:39,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:39,029 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:39,032 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:39,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:39,034 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 -> 3e23c3bca784f04992b2007c94519fee617936af [2019-11-24 22:21:39,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:39,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:39,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:39,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:39,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:39,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-24 22:21:39,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a89f269/1f285f6457084403bf31d215127831dd/FLAG309726266 [2019-11-24 22:21:41,157 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:41,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-24 22:21:41,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a89f269/1f285f6457084403bf31d215127831dd/FLAG309726266 [2019-11-24 22:21:41,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a89f269/1f285f6457084403bf31d215127831dd [2019-11-24 22:21:41,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:41,253 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:41,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:41,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:41,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:41,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c3aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:41, skipping insertion in model container [2019-11-24 22:21:41,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:41,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:42,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:42,368 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:42,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:42,634 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:42,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42 WrapperNode [2019-11-24 22:21:42,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:42,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:42,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:42,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:42,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:42,879 INFO L168 Benchmark]: Toolchain (without parser) took 1622.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:42,881 INFO L168 Benchmark]: CDTParser took 0.46 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 22:21:42,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:42,891 INFO L168 Benchmark]: Boogie Preprocessor took 231.23 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:42,909 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1384.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 231.23 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...