./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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_remove_all_reverse.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 1a84b349ed554162d37455efc2adb7bf93e2048b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_remove_all_reverse.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 1a84b349ed554162d37455efc2adb7bf93e2048b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:08,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:08,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:08,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:08,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:08,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:08,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:08,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:08,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:08,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:08,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:08,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:08,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:08,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:08,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:08,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:08,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:08,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:08,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:08,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:08,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:08,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:08,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:08,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:08,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:08,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:08,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:08,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:08,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:08,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:08,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:08,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:08,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:08,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:08,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:08,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:08,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:08,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:08,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:08,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:08,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:08,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:08,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:08,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:08,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:08,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:08,839 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:08,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:08,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:08,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:08,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:08,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:08,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:08,842 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:08,843 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:08,843 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:08,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:08,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:08,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:08,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:08,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:08,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:08,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:08,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:08,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:08,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:08,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:08,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:08,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:08,853 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-24 22:23:09,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:09,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:09,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:09,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:09,507 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:09,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-24 22:23:09,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba13973f/bb66fbad750e46ecb86914cbfcbae98a/FLAG160ea55d0 [2019-11-24 22:23:10,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:10,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-24 22:23:10,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba13973f/bb66fbad750e46ecb86914cbfcbae98a/FLAG160ea55d0 [2019-11-24 22:23:10,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba13973f/bb66fbad750e46ecb86914cbfcbae98a [2019-11-24 22:23:10,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:10,945 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:10,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:10,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:10,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:10,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:10" (1/1) ... [2019-11-24 22:23:10,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:10, skipping insertion in model container [2019-11-24 22:23:10,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:10" (1/1) ... [2019-11-24 22:23:10,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:11,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:11,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:12,023 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:12,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:12,286 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:12,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12 WrapperNode [2019-11-24 22:23:12,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:12,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:12,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:12,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:12,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:12" (1/1) ... [2019-11-24 22:23:12,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:12,481 INFO L168 Benchmark]: Toolchain (without parser) took 1532.10 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: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:12,482 INFO L168 Benchmark]: CDTParser took 2.82 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. [2019-11-24 22:23:12,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.74 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:12,500 INFO L168 Benchmark]: Boogie Preprocessor took 181.69 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:12,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.82 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 1340.74 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.69 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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 0.1.24-32f2683 [2019-11-24 22:23:16,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:16,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:16,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:16,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:16,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:16,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:16,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:16,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:16,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:16,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:16,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:16,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:16,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:16,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:16,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:16,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:16,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:16,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:16,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:16,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:16,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:16,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:16,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:16,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:16,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:16,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:16,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:16,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:16,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:16,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:16,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:16,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:16,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:16,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:16,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:16,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:16,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:16,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:16,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:16,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:16,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:16,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:16,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:16,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:16,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:16,723 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:16,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:16,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:16,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:16,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:16,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:16,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:16,732 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:16,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:16,733 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:16,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:16,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:16,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:16,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:16,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:16,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:16,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:16,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:16,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:16,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:16,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:16,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:16,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:16,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:16,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:16,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:16,745 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-24 22:23:17,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:17,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:17,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:17,414 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:17,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:17,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-24 22:23:17,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f47fcbcd/43675264902c4073bd9a245f9eac6396/FLAG49208b09c [2019-11-24 22:23:18,817 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:18,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-24 22:23:18,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f47fcbcd/43675264902c4073bd9a245f9eac6396/FLAG49208b09c [2019-11-24 22:23:18,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f47fcbcd/43675264902c4073bd9a245f9eac6396 [2019-11-24 22:23:18,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:18,909 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:18,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:18,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:18,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:18,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:18" (1/1) ... [2019-11-24 22:23:18,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:18, skipping insertion in model container [2019-11-24 22:23:18,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:18" (1/1) ... [2019-11-24 22:23:18,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:19,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:19,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:19,948 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:20,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:20,240 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:20,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20 WrapperNode [2019-11-24 22:23:20,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:20,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:20,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:20,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:20,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:20,459 INFO L168 Benchmark]: Toolchain (without parser) took 1544.42 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:20,460 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-24 22:23:20,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1329.93 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:20,473 INFO L168 Benchmark]: Boogie Preprocessor took 205.84 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. [2019-11-24 22:23:20,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1329.93 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 205.84 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...