./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:02,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:02,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:02,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:02,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:02,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:02,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:02,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:02,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:02,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:02,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:02,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:02,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:02,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:02,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:02,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:02,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:02,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:02,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:02,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:02,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:02,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:02,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:02,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:02,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:02,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:02,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:02,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:02,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:02,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:02,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:02,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:02,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:02,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:02,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:02,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:02,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:02,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:02,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:02,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:02,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:02,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:02,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:02,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:02,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:02,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:02,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:02,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:02,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:02,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:02,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:02,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:02,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:02,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:02,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:02,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:02,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:02,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:02,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:02,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:02,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:02,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:02,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:02,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:02,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:02,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:02,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:02,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:02,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:02,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:02,849 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-27 09:50:03,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:03,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:03,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:03,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:03,455 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:03,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 09:50:03,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9f501b/f062f894777149d18f78e33e6a6e4826/FLAG26d869850 [2019-11-27 09:50:04,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:04,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 09:50:04,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9f501b/f062f894777149d18f78e33e6a6e4826/FLAG26d869850 [2019-11-27 09:50:04,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9f501b/f062f894777149d18f78e33e6a6e4826 [2019-11-27 09:50:04,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:04,984 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:04,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:04,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:04,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:04,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:04" (1/1) ... [2019-11-27 09:50:05,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:05, skipping insertion in model container [2019-11-27 09:50:05,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:04" (1/1) ... [2019-11-27 09:50:05,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:05,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:06,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,105 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:06,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,391 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:06,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06 WrapperNode [2019-11-27 09:50:06,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:06,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:06,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:06,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:06,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:06,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:06,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:06,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:06,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:06,680 INFO L168 Benchmark]: Toolchain (without parser) took 1695.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:06,681 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:06,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1411.15 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. [2019-11-27 09:50:06,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.68 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. [2019-11-27 09:50:06,703 INFO L168 Benchmark]: Boogie Preprocessor took 106.81 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:06,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 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 1411.15 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 166.68 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. * Boogie Preprocessor took 106.81 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:10,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:10,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:10,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:10,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:10,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:10,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:10,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:10,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:10,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:10,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:10,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:10,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:10,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:10,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:10,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:10,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:10,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:10,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:10,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:10,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:10,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:10,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:10,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:10,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:10,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:10,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:10,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:10,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:10,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:10,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:10,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:10,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:10,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:10,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:10,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:10,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:10,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:10,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:10,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:10,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:10,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:10,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:10,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:10,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:10,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:10,812 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:10,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:10,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:10,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:10,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:10,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:10,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:10,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:10,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:10,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:10,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:10,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:10,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:10,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:10,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:10,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:10,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:10,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:10,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:10,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:10,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:10,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:10,832 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:10,833 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:10,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:10,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:10,835 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-27 09:50:11,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:11,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:11,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:11,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:11,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:11,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 09:50:11,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e315e454f/de9bf36cbafe4798a49f9c4d43393af3/FLAGc0a593975 [2019-11-27 09:50:12,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:12,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 09:50:12,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e315e454f/de9bf36cbafe4798a49f9c4d43393af3/FLAGc0a593975 [2019-11-27 09:50:12,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e315e454f/de9bf36cbafe4798a49f9c4d43393af3 [2019-11-27 09:50:12,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:12,944 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:12,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:12,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:12,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:12,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:12" (1/1) ... [2019-11-27 09:50:12,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:12, skipping insertion in model container [2019-11-27 09:50:12,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:12" (1/1) ... [2019-11-27 09:50:12,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:13,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:14,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,052 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:14,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,367 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:14,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14 WrapperNode [2019-11-27 09:50:14,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:14,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:14,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:14,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:14,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:14,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:14,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:14,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:14,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:14,699 INFO L168 Benchmark]: Toolchain (without parser) took 1750.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:14,702 INFO L168 Benchmark]: CDTParser took 2.57 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:14,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1421.75 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. [2019-11-27 09:50:14,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.78 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:14,707 INFO L168 Benchmark]: Boogie Preprocessor took 143.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:14,723 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57 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 1421.75 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 171.78 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. * Boogie Preprocessor took 143.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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...