./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 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/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-da95e15 [2019-11-27 11:21:19,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:19,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:19,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:19,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:19,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:19,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:19,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:19,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:19,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:19,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:19,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:19,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:19,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:19,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:19,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:19,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:19,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:19,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:19,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:19,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:19,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:19,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:19,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:19,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:19,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:19,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:19,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:19,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:19,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:19,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:19,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:19,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:19,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:19,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:19,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:19,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:19,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:19,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:19,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:19,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:19,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:21:19,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:19,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:19,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:19,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:19,980 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:19,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:19,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:19,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:19,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:19,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:19,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:19,987 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:19,987 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:19,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:19,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:19,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:19,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:19,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:19,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:19,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:19,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:19,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:19,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:19,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:19,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:19,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:21:19,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:21:19,996 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 11:21:20,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:20,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:20,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:20,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:20,682 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:20,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 11:21:20,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f96d9a47/59468ff691ec405f940dc8d4edb68478/FLAGe1189e7db [2019-11-27 11:21:22,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:22,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 11:21:22,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f96d9a47/59468ff691ec405f940dc8d4edb68478/FLAGe1189e7db [2019-11-27 11:21:22,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f96d9a47/59468ff691ec405f940dc8d4edb68478 [2019-11-27 11:21:22,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:22,172 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:22,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:22,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:22,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:22,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:22" (1/1) ... [2019-11-27 11:21:22,198 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 11:21:22, skipping insertion in model container [2019-11-27 11:21:22,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:22" (1/1) ... [2019-11-27 11:21:22,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:22,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:23,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:23,329 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:23,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:23,611 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:23,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23 WrapperNode [2019-11-27 11:21:23,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:23,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:23,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:23,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:23,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:23,855 INFO L168 Benchmark]: Toolchain (without parser) took 1676.06 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 11:21:23,858 INFO L168 Benchmark]: CDTParser took 1.80 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 11:21:23,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1440.07 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 11:21:23,866 INFO L168 Benchmark]: Boogie Preprocessor took 226.00 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 11:21:23,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 1440.07 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 226.00 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 11:21:27,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:27,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:27,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:27,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:27,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:27,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:27,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:27,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:27,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:27,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:27,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:27,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:27,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:27,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:27,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:27,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:27,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:27,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:27,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:27,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:27,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:27,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:27,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:27,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:27,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:27,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:27,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:27,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:27,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:27,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:27,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:27,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:27,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:27,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:27,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:27,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:27,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:27,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:27,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:27,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:27,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:21:27,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:27,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:27,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:27,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:27,890 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:27,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:27,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:27,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:27,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:27,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:27,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:27,897 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:27,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:27,898 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:27,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:27,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:27,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:21:27,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:21:27,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:27,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:27,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:27,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:27,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:27,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:27,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:27,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:27,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:27,907 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:21:27,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:21:27,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:21:27,912 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 11:21:28,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:28,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:28,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:28,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:28,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:28,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 11:21:28,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f631a548e/0488927a467e463db0d6243a5087939c/FLAGf0bce7178 [2019-11-27 11:21:29,876 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:29,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-27 11:21:29,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f631a548e/0488927a467e463db0d6243a5087939c/FLAGf0bce7178 [2019-11-27 11:21:30,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f631a548e/0488927a467e463db0d6243a5087939c [2019-11-27 11:21:30,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:30,376 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:30,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:30,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:30,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:30,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:30" (1/1) ... [2019-11-27 11:21:30,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8f1ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:30, skipping insertion in model container [2019-11-27 11:21:30,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:30" (1/1) ... [2019-11-27 11:21:30,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:30,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:31,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:31,470 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:31,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:31,763 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:31,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31 WrapperNode [2019-11-27 11:21:31,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:31,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:31,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:31,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:31,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:31,981 INFO L168 Benchmark]: Toolchain (without parser) took 1608.71 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:31,989 INFO L168 Benchmark]: CDTParser took 0.42 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 11:21:31,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1387.07 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 11:21:31,992 INFO L168 Benchmark]: Boogie Preprocessor took 208.27 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:32,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1387.07 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 208.27 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...