./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_equal.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/list-simple/dll2c_append_equal.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 1f3e231c5b77f9ab25b28372001f508e3e47c051 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-simple/dll2c_append_equal.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 1f3e231c5b77f9ab25b28372001f508e3e47c051 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:56,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:56,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:56,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:56,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:56,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:56,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:56,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:56,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:56,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:56,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:56,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:56,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:56,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:56,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:56,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:56,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:56,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:56,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:56,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:56,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:56,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:56,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:56,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:56,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:56,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:56,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:56,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:56,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:56,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:56,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:56,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:56,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:56,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:56,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:56,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:56,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:56,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:56,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:56,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:56,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:56,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:56,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:56,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:56,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:56,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:56,752 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:56,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:56,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:56,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:56,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:56,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:56,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:56,759 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:56,759 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:56,760 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:56,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:56,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:56,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:56,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:56,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:56,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:56,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:56,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:56,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:56,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:56,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:56,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:56,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:56,768 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-27 11:22:57,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:57,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:57,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:57,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:57,416 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:57,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 11:22:57,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db61480e/bb93eccdf7de44298eb1331fcb605fe0/FLAG2604f7bf5 [2019-11-27 11:22:58,897 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:58,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 11:22:58,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db61480e/bb93eccdf7de44298eb1331fcb605fe0/FLAG2604f7bf5 [2019-11-27 11:22:58,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db61480e/bb93eccdf7de44298eb1331fcb605fe0 [2019-11-27 11:22:58,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:58,987 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:59,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:59,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:59,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:59,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:58" (1/1) ... [2019-11-27 11:22:59,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59, skipping insertion in model container [2019-11-27 11:22:59,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:58" (1/1) ... [2019-11-27 11:22:59,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:59,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:00,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:00,074 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:00,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:00,358 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:00,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00 WrapperNode [2019-11-27 11:23:00,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:00,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:00,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:00,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:00,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:00,549 INFO L168 Benchmark]: Toolchain (without parser) took 1552.79 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:00,551 INFO L168 Benchmark]: CDTParser took 0.84 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 11:23:00,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1358.21 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:00,561 INFO L168 Benchmark]: Boogie Preprocessor took 174.68 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:00,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 1358.21 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.68 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:04,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:04,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:04,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:04,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:04,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:04,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:04,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:04,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:04,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:04,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:04,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:04,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:04,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:04,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:04,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:04,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:04,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:04,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:04,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:04,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:04,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:04,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:04,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:04,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:04,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:04,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:04,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:04,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:04,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:04,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:04,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:04,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:04,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:04,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:04,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:04,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:04,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:04,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:04,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:04,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:04,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:04,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:04,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:04,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:04,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:04,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:04,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:04,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:04,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:04,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:04,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:04,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:04,890 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:04,891 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:04,893 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:04,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:04,895 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:04,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:04,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:04,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:04,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:04,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:04,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:04,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:04,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:04,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:04,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:04,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:04,903 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:04,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:04,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:04,908 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-27 11:23:05,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:05,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:05,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:05,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:05,496 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:05,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 11:23:05,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf833fad9/b3ffa2202ce1425cbe3ae9de52f2f450/FLAG316721090 [2019-11-27 11:23:06,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:06,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 11:23:06,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf833fad9/b3ffa2202ce1425cbe3ae9de52f2f450/FLAG316721090 [2019-11-27 11:23:06,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf833fad9/b3ffa2202ce1425cbe3ae9de52f2f450 [2019-11-27 11:23:06,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:06,988 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:07,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:07,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:07,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:07,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:06" (1/1) ... [2019-11-27 11:23:07,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07, skipping insertion in model container [2019-11-27 11:23:07,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:06" (1/1) ... [2019-11-27 11:23:07,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:07,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:08,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:08,116 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:08,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:08,431 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:08,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08 WrapperNode [2019-11-27 11:23:08,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:08,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:08,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:08,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:08,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:08,678 INFO L168 Benchmark]: Toolchain (without parser) took 1684.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:08,679 INFO L168 Benchmark]: CDTParser took 1.12 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 11:23:08,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1430.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:08,691 INFO L168 Benchmark]: Boogie Preprocessor took 231.87 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:08,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 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 1430.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 231.87 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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...