./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/sll2n_remove_all_reverse.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 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2n_remove_all_reverse.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 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:08,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:08,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:08,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:08,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:08,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:08,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:08,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:08,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:08,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:08,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:08,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:08,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:08,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:08,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:08,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:08,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:08,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:08,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:08,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:08,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:08,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:08,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:09,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:09,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:09,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:09,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:09,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:09,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:09,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:09,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:09,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:09,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:09,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:09,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:09,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:09,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:09,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:09,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:09,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:09,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:09,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:09,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:09,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:09,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:09,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:09,091 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:09,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:09,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:09,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:09,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:09,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:09,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:09,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:09,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:09,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:09,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:09,099 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:09,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:09,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:09,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:09,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:09,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:09,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:09,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:09,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:09,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:09,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:09,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:09,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:09,106 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 -> 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 [2019-11-27 16:12:09,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:09,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:09,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:09,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:09,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:09,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 16:12:09,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9bb9f3/248a48a8366e47d688f2a54fde1b5011/FLAG7e1ef9204 [2019-11-27 16:12:11,082 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:11,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 16:12:11,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9bb9f3/248a48a8366e47d688f2a54fde1b5011/FLAG7e1ef9204 [2019-11-27 16:12:11,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9bb9f3/248a48a8366e47d688f2a54fde1b5011 [2019-11-27 16:12:11,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:11,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:11,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:11,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:11,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:11,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa4df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11, skipping insertion in model container [2019-11-27 16:12:11,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:11,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:12,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:12,553 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:12,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:12,808 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:12,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12 WrapperNode [2019-11-27 16:12:12,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:12,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:12,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:12,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:12,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:12,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:12,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:12,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:12,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:13,001 INFO L168 Benchmark]: Toolchain (without parser) took 1437.05 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:13,016 INFO L168 Benchmark]: CDTParser took 1.46 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 16:12:13,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1245.29 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:13,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:13,022 INFO L168 Benchmark]: Boogie Preprocessor took 79.93 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:13,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 1245.29 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.93 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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 0.1.24-509859d [2019-11-27 16:12:16,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:16,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:16,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:16,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:16,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:16,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:16,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:16,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:16,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:16,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:16,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:16,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:16,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:16,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:16,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:16,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:16,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:16,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:17,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:17,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:17,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:17,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:17,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:17,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:17,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:17,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:17,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:17,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:17,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:17,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:17,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:17,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:17,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:17,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:17,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:17,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:17,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:17,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:17,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:17,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:17,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:17,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:17,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:17,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:17,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:17,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:17,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:17,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:17,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:17,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:17,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:17,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:17,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:17,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:17,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:17,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:17,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:17,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:17,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:17,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:17,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:17,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:17,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:17,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:17,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:17,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:17,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:17,139 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:17,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:17,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:17,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:17,143 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 -> 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 [2019-11-27 16:12:17,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:17,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:17,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:17,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:17,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:17,767 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 16:12:17,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2c75f9dc/6cce65b31b7348428b1642b62b8aac0b/FLAGd788e56b1 [2019-11-27 16:12:19,094 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:19,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 16:12:19,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2c75f9dc/6cce65b31b7348428b1642b62b8aac0b/FLAGd788e56b1 [2019-11-27 16:12:19,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2c75f9dc/6cce65b31b7348428b1642b62b8aac0b [2019-11-27 16:12:19,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:19,601 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:19,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:19,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:19,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:19,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa4df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19, skipping insertion in model container [2019-11-27 16:12:19,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:19,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:20,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:20,608 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:20,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:20,873 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:20,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20 WrapperNode [2019-11-27 16:12:20,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:20,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:20,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:20,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:20,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:20,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:21,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:21,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:21,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:21,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:21,122 INFO L168 Benchmark]: Toolchain (without parser) took 1519.38 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:21,123 INFO L168 Benchmark]: CDTParser took 0.40 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 16:12:21,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.71 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:21,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.20 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:21,136 INFO L168 Benchmark]: Boogie Preprocessor took 100.54 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. [2019-11-27 16:12:21,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1255.71 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.20 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.54 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...