./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.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_prepend_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:57,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:57,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:57,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:57,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:57,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:57,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:57,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:57,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:57,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:57,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:57,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:57,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:57,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:57,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:57,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:57,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:57,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:57,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:57,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:57,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:57,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:57,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:57,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:57,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:57,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:57,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:57,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:57,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:57,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:57,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:57,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:57,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:57,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:57,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:57,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:57,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:57,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:57,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:57,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:57,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:57,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:57,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:57,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:57,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:57,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:57,917 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:57,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:57,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:57,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:57,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:57,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:57,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:57,923 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:57,923 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:57,924 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:57,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:57,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:57,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:57,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:57,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:57,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:57,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:57,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:57,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:57,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:57,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:57,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:57,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:57,933 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-27 11:22:58,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:58,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:58,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:58,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:58,626 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:58,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-27 11:22:58,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4719ed744/d590bd312ed14438af16bc9dcdadf295/FLAG279128db0 [2019-11-27 11:22:59,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:59,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-27 11:23:00,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4719ed744/d590bd312ed14438af16bc9dcdadf295/FLAG279128db0 [2019-11-27 11:23:00,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4719ed744/d590bd312ed14438af16bc9dcdadf295 [2019-11-27 11:23:00,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:00,474 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:00,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:00,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:00,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:00,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f36d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00, skipping insertion in model container [2019-11-27 11:23:00,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:00,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:01,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:01,515 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:01,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:01,794 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:01,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01 WrapperNode [2019-11-27 11:23:01,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:01,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:01,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:01,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:01,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:01,966 INFO L168 Benchmark]: Toolchain (without parser) took 1480.77 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 974.0 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:01,975 INFO L168 Benchmark]: CDTParser took 1.82 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 11:23:01,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.86 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:01,983 INFO L168 Benchmark]: Boogie Preprocessor took 153.05 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 11:23:01,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 1319.86 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 153.05 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:05,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:05,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:05,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:05,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:05,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:05,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:05,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:05,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:05,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:05,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:05,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:05,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:06,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:06,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:06,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:06,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:06,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:06,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:06,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:06,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:06,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:06,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:06,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:06,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:06,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:06,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:06,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:06,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:06,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:06,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:06,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:06,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:06,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:06,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:06,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:06,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:06,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:06,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:06,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:06,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:06,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:06,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:06,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:06,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:06,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:06,146 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:06,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:06,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:06,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:06,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:06,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:06,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:06,153 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:06,153 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:06,154 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:06,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:06,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:06,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:06,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:06,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:06,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:06,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:06,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:06,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:06,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:06,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:06,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:06,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:06,163 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:06,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:06,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:06,165 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-27 11:23:06,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:06,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:06,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:06,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:06,811 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:06,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-27 11:23:06,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0a961d0/0b0d7e88b85941df972c4a7c94372dab/FLAGf275129ae [2019-11-27 11:23:08,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:08,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-27 11:23:08,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0a961d0/0b0d7e88b85941df972c4a7c94372dab/FLAGf275129ae [2019-11-27 11:23:08,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0a961d0/0b0d7e88b85941df972c4a7c94372dab [2019-11-27 11:23:08,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:08,240 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:08,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:08,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:08,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:08,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad95f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08, skipping insertion in model container [2019-11-27 11:23:08,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:08,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:09,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:09,358 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:09,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:09,646 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:09,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09 WrapperNode [2019-11-27 11:23:09,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:09,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:09,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:09,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:09,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:09,857 INFO L168 Benchmark]: Toolchain (without parser) took 1609.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 962.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:09,858 INFO L168 Benchmark]: CDTParser took 0.32 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 11:23:09,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1403.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 968.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:09,877 INFO L168 Benchmark]: Boogie Preprocessor took 198.85 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:09,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1403.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 968.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.85 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...