./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.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_parent_ptr.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 fba36da5e1e25c0eb21d7d749a840ca84da8c0fc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_parent_ptr.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 fba36da5e1e25c0eb21d7d749a840ca84da8c0fc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:21:19,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:19,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:19,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:19,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:19,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:19,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:19,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:19,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:19,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:19,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:19,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:19,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:19,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:19,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:19,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:19,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:19,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:19,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:19,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:19,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:19,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:19,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:19,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:19,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:19,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:19,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:19,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:19,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:19,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:19,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:19,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:19,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:19,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:19,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:19,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:19,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:19,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:19,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:19,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:19,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:21:19,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:19,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:19,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:19,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:19,998 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:19,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:19,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:19,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:19,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:19,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:20,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:20,002 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:20,002 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:20,003 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:20,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:20,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:20,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:20,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:20,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:20,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:20,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:20,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:20,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:20,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:20,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:20,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:21:20,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:21:20,012 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 -> fba36da5e1e25c0eb21d7d749a840ca84da8c0fc [2019-11-27 11:21:20,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:20,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:20,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:20,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:20,666 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:20,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-27 11:21:20,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29af838e/1ca37bd213d448cabfbe41b6c358530e/FLAGce2fc2b06 [2019-11-27 11:21:22,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:22,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-27 11:21:22,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29af838e/1ca37bd213d448cabfbe41b6c358530e/FLAGce2fc2b06 [2019-11-27 11:21:22,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29af838e/1ca37bd213d448cabfbe41b6c358530e [2019-11-27 11:21:22,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:22,090 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:22,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:22,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:22,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:22,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:22" (1/1) ... [2019-11-27 11:21:22,114 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 11:21:22,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:22" (1/1) ... [2019-11-27 11:21:22,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:22,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:23,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:23,176 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:23,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:23,442 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:23,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23 WrapperNode [2019-11-27 11:21:23,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:23,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:23,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:23,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:23,469 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 11:21:23,470 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 11:21:23,515 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 11:21:23,516 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 11:21:23,586 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 11:21:23,606 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 11:21:23,622 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 11:21:23,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:23,655 INFO L168 Benchmark]: Toolchain (without parser) took 1557.12 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 11:21:23,657 INFO L168 Benchmark]: CDTParser took 0.60 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 11:21:23,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.43 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 11:21:23,666 INFO L168 Benchmark]: Boogie Preprocessor took 192.07 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 11:21:23,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 1349.43 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 192.07 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 11:21:27,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:27,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:27,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:27,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:27,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:27,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:27,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:27,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:27,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:27,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:27,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:27,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:27,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:27,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:27,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:27,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:27,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:27,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:27,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:27,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:27,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:27,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:27,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:27,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:27,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:27,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:27,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:27,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:27,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:27,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:27,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:27,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:27,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:27,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:27,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:27,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:27,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:27,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:27,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:27,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:27,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:21:27,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:27,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:27,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:27,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:27,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:27,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:27,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:27,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:27,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:27,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:27,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:27,779 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:27,780 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:27,780 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:27,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:27,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:27,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:21:27,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:21:27,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:27,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:27,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:27,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:27,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:27,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:27,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:27,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:27,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:27,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:21:27,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:21:27,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:21:27,791 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 -> fba36da5e1e25c0eb21d7d749a840ca84da8c0fc [2019-11-27 11:21:28,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:28,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:28,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:28,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:28,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:28,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-27 11:21:28,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81df2f76/674cca42e4ff43018b85d193620bc431/FLAG3b4f4458a [2019-11-27 11:21:29,674 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:29,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-27 11:21:29,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81df2f76/674cca42e4ff43018b85d193620bc431/FLAG3b4f4458a [2019-11-27 11:21:29,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81df2f76/674cca42e4ff43018b85d193620bc431 [2019-11-27 11:21:29,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:29,781 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:29,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:29,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:29,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:29,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:29" (1/1) ... [2019-11-27 11:21:29,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:29, skipping insertion in model container [2019-11-27 11:21:29,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:29" (1/1) ... [2019-11-27 11:21:29,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:29,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:30,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:30,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:31,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:31,199 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:31,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31 WrapperNode [2019-11-27 11:21:31,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:31,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:31,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:31,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:31,229 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 11:21:31,229 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 11:21:31,280 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 11:21:31,281 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 11:21:31,354 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 11:21:31,375 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 11:21:31,391 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 11:21:31,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:31,418 INFO L168 Benchmark]: Toolchain (without parser) took 1633.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:31,419 INFO L168 Benchmark]: CDTParser took 3.05 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 11:21:31,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1417.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:31,438 INFO L168 Benchmark]: Boogie Preprocessor took 205.19 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 11:21:31,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 1417.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 205.19 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...