./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --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/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --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 [2019-11-25 22:55:00,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:00,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:00,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:00,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:00,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:00,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:00,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:00,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:00,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:00,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:00,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:00,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:00,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:00,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:00,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:00,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:00,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:00,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:00,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:00,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:00,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:00,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:00,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:00,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:00,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:00,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:00,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:00,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:00,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:00,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:00,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:00,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:00,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:00,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:00,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:00,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:00,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:00,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:00,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:00,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:00,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:00,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:00,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:00,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:00,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:00,819 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:00,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:00,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:00,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:00,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:00,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:00,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:00,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:00,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:00,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:00,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:00,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:00,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:00,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:00,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:00,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:00,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:00,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:00,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:00,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:00,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:00,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:00,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:00,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:00,836 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 ! call(__VERIFIER_error())) ) 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 [2019-11-25 22:55:01,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:01,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:01,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:01,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:01,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:01,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-25 22:55:01,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7572b061c/95edc1a8ff9e4a85b973c87b76864a99/FLAG3a0201e1e [2019-11-25 22:55:02,814 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:02,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-25 22:55:02,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7572b061c/95edc1a8ff9e4a85b973c87b76864a99/FLAG3a0201e1e [2019-11-25 22:55:02,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7572b061c/95edc1a8ff9e4a85b973c87b76864a99 [2019-11-25 22:55:02,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:02,904 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:02,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:02,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:02,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:02,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:02" (1/1) ... [2019-11-25 22:55:02,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:02, skipping insertion in model container [2019-11-25 22:55:02,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:02" (1/1) ... [2019-11-25 22:55:02,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:03,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:03,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:04,013 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:04,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:04,288 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:04,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04 WrapperNode [2019-11-25 22:55:04,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:04,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:04,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:04,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:04,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:04,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:04,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:04,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:04,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:04" (1/1) ... [2019-11-25 22:55:04,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:04,556 INFO L168 Benchmark]: Toolchain (without parser) took 1646.20 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 962.5 MB in the end (delta: -833.6 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:04,557 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-25 22:55:04,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.64 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 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:04,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.45 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:04,574 INFO L168 Benchmark]: Boogie Preprocessor took 111.51 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 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. [2019-11-25 22:55:04,587 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1383.64 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 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.45 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.51 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:08,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:08,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:08,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:08,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:08,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:08,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:08,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:08,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:08,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:08,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:08,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:08,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:08,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:08,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:08,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:08,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:08,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:08,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:08,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:08,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:08,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:08,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:08,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:08,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:08,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:08,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:08,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:08,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:08,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:08,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:08,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:08,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:08,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:08,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:08,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:08,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:08,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:08,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:08,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:08,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:08,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:08,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:08,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:08,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:08,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:08,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:08,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:08,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:08,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:08,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:08,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:08,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:08,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:08,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:08,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:08,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:08,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:08,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:08,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:08,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:08,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:08,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:08,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:08,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:08,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:08,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:08,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:08,670 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:08,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:08,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:08,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:08,672 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 ! call(__VERIFIER_error())) ) 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 [2019-11-25 22:55:09,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:09,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:09,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:09,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:09,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:09,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-25 22:55:09,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50881a0a/ff8ea569f6b944ef8f7ead8fc426cb2f/FLAGcf12eace8 [2019-11-25 22:55:10,704 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:10,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-25 22:55:10,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50881a0a/ff8ea569f6b944ef8f7ead8fc426cb2f/FLAGcf12eace8 [2019-11-25 22:55:10,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50881a0a/ff8ea569f6b944ef8f7ead8fc426cb2f [2019-11-25 22:55:10,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:10,791 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:10,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:10,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:10,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:10,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:10" (1/1) ... [2019-11-25 22:55:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:10, skipping insertion in model container [2019-11-25 22:55:10,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:10" (1/1) ... [2019-11-25 22:55:10,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:10,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:11,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:11,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:12,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:12,205 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:12,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12 WrapperNode [2019-11-25 22:55:12,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:12,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:12,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:12,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:12,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:12,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:12,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:12,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:12,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:12,480 INFO L168 Benchmark]: Toolchain (without parser) took 1680.96 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: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:12,481 INFO L168 Benchmark]: CDTParser took 4.10 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. [2019-11-25 22:55:12,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.82 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. [2019-11-25 22:55:12,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.71 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. [2019-11-25 22:55:12,490 INFO L168 Benchmark]: Boogie Preprocessor took 105.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:12,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.10 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 1413.82 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 Procedure Inliner took 151.71 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. * Boogie Preprocessor took 105.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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...