./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:34,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:34,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:34,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:34,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:34,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:34,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:34,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:34,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:34,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:34,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:34,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:34,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:34,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:34,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:34,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:34,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:34,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:34,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:34,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:34,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:34,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:34,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:34,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:34,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:34,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:34,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:34,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:34,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:34,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:34,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:34,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:34,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:34,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:34,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:34,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:34,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:34,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:34,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:34,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:34,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:34,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:34,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:34,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:34,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:34,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:34,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:34,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:34,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:34,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:34,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:34,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:34,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:34,918 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:34,918 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:34,918 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:34,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:34,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:34,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:34,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:34,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:34,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:34,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:34,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:34,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:34,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:34,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:34,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:34,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:34,924 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-26 00:27:35,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:35,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:35,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:35,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:35,417 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:35,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 00:27:35,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f8e49c9/6ce29242cb6c4a68aca89bba8dffc5cd/FLAG0a6c8b71e [2019-11-26 00:27:36,401 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:36,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 00:27:36,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f8e49c9/6ce29242cb6c4a68aca89bba8dffc5cd/FLAG0a6c8b71e [2019-11-26 00:27:36,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f8e49c9/6ce29242cb6c4a68aca89bba8dffc5cd [2019-11-26 00:27:36,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:36,593 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:36,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:36,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:36,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:36,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:36" (1/1) ... [2019-11-26 00:27:36,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:36, skipping insertion in model container [2019-11-26 00:27:36,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:36" (1/1) ... [2019-11-26 00:27:36,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:36,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:37,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:37,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:37,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:37,561 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:37,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37 WrapperNode [2019-11-26 00:27:37,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:37,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:37,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:37,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:37,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:37,705 INFO L168 Benchmark]: Toolchain (without parser) took 1113.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.6 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:37,714 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-26 00:27:37,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 969.00 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:37,722 INFO L168 Benchmark]: Boogie Preprocessor took 138.40 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:37,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 969.00 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.40 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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 0.1.24-65d6cd2 [2019-11-26 00:27:40,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:40,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:40,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:40,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:40,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:40,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:40,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:40,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:40,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:40,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:40,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:40,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:40,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:40,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:40,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:40,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:40,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:40,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:40,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:40,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:40,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:40,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:40,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:40,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:40,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:40,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:40,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:40,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:40,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:40,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:40,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:40,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:40,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:40,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:40,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:40,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:40,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:40,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:40,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:40,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:40,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:40,666 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:40,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:40,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:40,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:40,671 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:40,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:40,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:40,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:40,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:40,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:40,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:40,676 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:40,676 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:40,676 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:40,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:40,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:40,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:40,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:40,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:40,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:40,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:40,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:40,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:40,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:40,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:40,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:40,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:40,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:40,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:40,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:40,686 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-26 00:27:41,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:41,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:41,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:41,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:41,154 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:41,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 00:27:41,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa4c9ac6/9639e1d13ee14e158db83be550b1a793/FLAG9e8de68bd [2019-11-26 00:27:42,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:42,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 00:27:42,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa4c9ac6/9639e1d13ee14e158db83be550b1a793/FLAG9e8de68bd [2019-11-26 00:27:42,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aa4c9ac6/9639e1d13ee14e158db83be550b1a793 [2019-11-26 00:27:42,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:42,301 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:42,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:42,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:42,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:42,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:42" (1/1) ... [2019-11-26 00:27:42,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0a86e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:42, skipping insertion in model container [2019-11-26 00:27:42,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:42" (1/1) ... [2019-11-26 00:27:42,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:42,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:43,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:43,074 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:43,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:43,268 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:43,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43 WrapperNode [2019-11-26 00:27:43,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:43,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:43,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:43,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:43,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:43,436 INFO L168 Benchmark]: Toolchain (without parser) took 1127.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:43,439 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-26 00:27:43,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:43,443 INFO L168 Benchmark]: Boogie Preprocessor took 154.98 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. [2019-11-26 00:27:43,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 964.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 154.98 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...