./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_unequal.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/dll2n_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2n_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:55:02,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:02,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:02,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:02,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:02,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:02,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:02,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:02,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:02,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:02,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:02,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:02,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:02,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:02,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:02,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:02,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:02,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:02,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:02,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:02,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:02,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:02,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:02,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:02,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:02,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:02,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:02,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:02,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:02,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:02,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:02,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:02,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:02,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:02,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:02,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:02,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:02,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:02,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:02,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:02,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:02,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:02,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:02,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:02,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:02,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:02,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:02,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:02,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:02,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:02,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:02,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:02,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:02,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:02,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:02,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:02,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:02,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:02,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:02,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:02,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:02,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:02,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:02,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:02,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:02,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:02,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:02,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:02,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:02,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:02,978 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-25 22:55:03,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:03,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:03,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:03,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:03,649 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:03,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-25 22:55:03,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914e0f999/2786645579934fdd8d6da0906ef5027c/FLAGc6978bb44 [2019-11-25 22:55:05,047 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:05,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-25 22:55:05,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914e0f999/2786645579934fdd8d6da0906ef5027c/FLAGc6978bb44 [2019-11-25 22:55:05,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914e0f999/2786645579934fdd8d6da0906ef5027c [2019-11-25 22:55:05,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:05,130 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:05,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:05,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:05,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:05,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:05" (1/1) ... [2019-11-25 22:55:05,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:05, skipping insertion in model container [2019-11-25 22:55:05,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:05" (1/1) ... [2019-11-25 22:55:05,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:05,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:06,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:06,163 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:06,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:06,433 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:06,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06 WrapperNode [2019-11-25 22:55:06,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:06,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:06,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:06,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:06,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:06,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:06,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:06,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:06,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:06" (1/1) ... [2019-11-25 22:55:06,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:06,689 INFO L168 Benchmark]: Toolchain (without parser) took 1544.37 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. [2019-11-25 22:55:06,690 INFO L168 Benchmark]: CDTParser took 1.42 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 22:55:06,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.34 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:06,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.36 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. [2019-11-25 22:55:06,707 INFO L168 Benchmark]: Boogie Preprocessor took 95.01 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. [2019-11-25 22:55:06,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 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 1299.34 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.36 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 95.01 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 0.1.24-65d6cd2 [2019-11-25 22:55:10,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:10,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:10,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:10,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:10,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:10,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:10,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:10,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:10,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:10,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:10,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:10,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:10,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:10,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:10,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:10,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:10,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:10,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:10,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:10,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:10,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:10,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:10,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:10,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:10,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:10,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:10,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:10,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:10,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:10,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:10,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:10,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:10,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:10,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:10,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:10,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:10,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:10,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:10,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:10,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:10,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:10,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:10,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:10,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:10,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:10,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:10,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:10,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:10,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:10,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:10,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:10,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:10,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:10,900 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:10,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:10,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:10,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:10,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:10,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:10,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:10,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:10,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:10,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:10,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:10,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:10,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:10,910 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:10,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:10,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:10,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:10,912 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-25 22:55:11,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:11,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:11,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:11,572 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:11,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:11,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-25 22:55:11,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef2ec502/c26705f0635a4893a73eec43581c17c1/FLAGc6c2927dc [2019-11-25 22:55:12,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:12,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-25 22:55:12,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef2ec502/c26705f0635a4893a73eec43581c17c1/FLAGc6c2927dc [2019-11-25 22:55:12,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef2ec502/c26705f0635a4893a73eec43581c17c1 [2019-11-25 22:55:12,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:13,001 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:13,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:13,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:13,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:13,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:13,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35613e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:13, skipping insertion in model container [2019-11-25 22:55:13,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:12" (1/1) ... [2019-11-25 22:55:13,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:13,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:14,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:14,116 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:14,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:14,422 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:14,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14 WrapperNode [2019-11-25 22:55:14,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:14,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:14,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:14,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:14,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:14,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:14,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:14,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:14,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:14" (1/1) ... [2019-11-25 22:55:14,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:14,765 INFO L168 Benchmark]: Toolchain (without parser) took 1755.13 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. [2019-11-25 22:55:14,766 INFO L168 Benchmark]: CDTParser took 0.42 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 22:55:14,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1420.27 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 22:55:14,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.76 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. [2019-11-25 22:55:14,771 INFO L168 Benchmark]: Boogie Preprocessor took 142.94 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. [2019-11-25 22:55:14,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1420.27 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 180.76 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 142.94 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...