./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/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 0.1.24-509859d [2019-11-27 17:43:45,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:45,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:45,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:45,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:45,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:45,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:45,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:45,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:45,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:45,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:45,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:45,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:45,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:45,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:45,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:45,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:45,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:45,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:45,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:45,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:45,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:45,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:45,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:45,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:45,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:45,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:45,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:45,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:45,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:45,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:45,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:45,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:45,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:45,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:45,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:45,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:45,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:45,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:45,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:45,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:45,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:45,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:45,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:45,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:45,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:45,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:45,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:45,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:45,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:45,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:45,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:45,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:45,919 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:45,920 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:45,921 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:45,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:45,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:45,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:45,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:45,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:45,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:45,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:45,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:45,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:45,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:45,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:45,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:45,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:45,930 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 [2019-11-27 17:43:46,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:46,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:46,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:46,553 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:46,554 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:46,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 17:43:46,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09f2067/427442af30074afdbd1c94faff92a206/FLAG47c2407bf [2019-11-27 17:43:47,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:47,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 17:43:47,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09f2067/427442af30074afdbd1c94faff92a206/FLAG47c2407bf [2019-11-27 17:43:48,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09f2067/427442af30074afdbd1c94faff92a206 [2019-11-27 17:43:48,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:48,028 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:48,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:48,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:48,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:48,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:48" (1/1) ... [2019-11-27 17:43:48,053 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 27.11 05:43:48, skipping insertion in model container [2019-11-27 17:43:48,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:48" (1/1) ... [2019-11-27 17:43:48,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:48,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:49,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:49,135 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:49,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:49,399 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:49,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49 WrapperNode [2019-11-27 17:43:49,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:49,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:49,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:49,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:49,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:49,606 INFO L168 Benchmark]: Toolchain (without parser) took 1571.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:49,608 INFO L168 Benchmark]: CDTParser took 1.59 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:49,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.28 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:49,627 INFO L168 Benchmark]: Boogie Preprocessor took 191.74 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:49,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59 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 1371.28 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 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 191.74 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:53,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:53,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:53,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:53,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:53,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:53,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:53,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:53,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:53,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:53,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:53,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:53,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:53,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:53,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:53,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:53,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:53,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:53,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:53,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:53,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:53,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:53,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:53,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:53,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:53,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:53,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:53,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:53,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:53,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:53,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:53,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:53,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:53,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:53,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:53,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:53,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:53,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:53,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:53,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:53,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:53,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:53,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:53,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:53,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:53,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:53,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:53,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:53,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:53,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:53,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:53,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:53,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:53,800 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:53,800 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:53,801 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:53,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:53,803 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:53,803 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:53,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:53,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:53,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:53,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:53,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:53,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:53,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:53,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:53,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:53,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:53,809 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:53,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:53,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:53,813 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 [2019-11-27 17:43:54,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:54,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:54,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:54,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:54,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:54,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 17:43:54,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0db7e375/bb36e14dcd4c430d828a431d5d36c886/FLAGf5be4d43d [2019-11-27 17:43:55,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:55,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 17:43:55,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0db7e375/bb36e14dcd4c430d828a431d5d36c886/FLAGf5be4d43d [2019-11-27 17:43:55,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0db7e375/bb36e14dcd4c430d828a431d5d36c886 [2019-11-27 17:43:55,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:55,884 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:55,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:55,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:55,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:55,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:55" (1/1) ... [2019-11-27 17:43:55,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:55, skipping insertion in model container [2019-11-27 17:43:55,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:55" (1/1) ... [2019-11-27 17:43:55,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:56,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:56,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:57,014 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:57,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:57,267 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:57,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57 WrapperNode [2019-11-27 17:43:57,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:57,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:57,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:57,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:57,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:57,482 INFO L168 Benchmark]: Toolchain (without parser) took 1583.96 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 972.5 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:57,487 INFO L168 Benchmark]: CDTParser took 1.65 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 17:43:57,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1382.82 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 17:43:57,494 INFO L168 Benchmark]: Boogie Preprocessor took 193.68 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:57,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 1382.82 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 193.68 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...