./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:09:03,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:03,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:03,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:03,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:03,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:03,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:03,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:03,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:03,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:03,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:03,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:03,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:03,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:03,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:03,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:03,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:03,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:03,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:03,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:03,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:03,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:03,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:03,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:03,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:03,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:03,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:03,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:03,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:03,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:03,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:03,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:03,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:03,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:03,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:03,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:03,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:03,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:03,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:03,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:03,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:03,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:03,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:03,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:03,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:03,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:03,691 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:03,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:03,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:03,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:03,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:03,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:03,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:03,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:03,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:03,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:03,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:03,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:03,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:03,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:03,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:03,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:03,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:03,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:03,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:03,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:03,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:03,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:03,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:03,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:03,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:03,708 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 [2019-11-24 21:09:04,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:04,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:04,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:04,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:04,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:04,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-24 21:09:04,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f903e92/989f83122c0342d28974fd05e8f962c0/FLAG3024eb845 [2019-11-24 21:09:05,677 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:05,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-24 21:09:05,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f903e92/989f83122c0342d28974fd05e8f962c0/FLAG3024eb845 [2019-11-24 21:09:05,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f903e92/989f83122c0342d28974fd05e8f962c0 [2019-11-24 21:09:05,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:05,747 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:05,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:05,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:05,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:05,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7475fdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:05, skipping insertion in model container [2019-11-24 21:09:05,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:05,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:06,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:06,756 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:06,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:07,031 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:07,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07 WrapperNode [2019-11-24 21:09:07,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:07,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:07,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:07,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:07,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:07,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:07,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:07,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:07,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:07" (1/1) ... [2019-11-24 21:09:07,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:07,267 INFO L168 Benchmark]: Toolchain (without parser) took 1502.27 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 962.5 MB in the end (delta: -788.6 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:07,269 INFO L168 Benchmark]: CDTParser took 1.19 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. [2019-11-24 21:09:07,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.56 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:07,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.77 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:07,281 INFO L168 Benchmark]: Boogie Preprocessor took 82.77 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:07,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 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 1270.56 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.77 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.77 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:11,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:11,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:11,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:11,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:11,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:11,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:11,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:11,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:11,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:11,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:11,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:11,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:11,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:11,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:11,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:11,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:11,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:11,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:11,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:11,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:11,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:11,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:11,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:11,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:11,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:11,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:11,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:11,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:11,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:11,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:11,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:11,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:11,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:11,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:11,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:11,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:11,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:11,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:11,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:11,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:11,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:11,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:11,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:11,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:11,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:11,470 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:11,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:11,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:11,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:11,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:11,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:11,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:11,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:11,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:11,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:11,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:11,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:11,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:11,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:11,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:11,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:11,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:11,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:11,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:11,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:11,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:11,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:11,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:11,484 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:11,485 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:11,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:11,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:11,489 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 [2019-11-24 21:09:12,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:12,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:12,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:12,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:12,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:12,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-24 21:09:12,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de25a1d7/b8aa6426c845420fbbcc67dcbe1e13d6/FLAG62fb24e57 [2019-11-24 21:09:13,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:13,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-24 21:09:13,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de25a1d7/b8aa6426c845420fbbcc67dcbe1e13d6/FLAG62fb24e57 [2019-11-24 21:09:13,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de25a1d7/b8aa6426c845420fbbcc67dcbe1e13d6 [2019-11-24 21:09:13,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:13,606 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:13,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:13,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:13,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:13,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:13, skipping insertion in model container [2019-11-24 21:09:13,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:13" (1/1) ... [2019-11-24 21:09:13,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:13,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:14,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:14,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:14,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:15,000 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:15,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15 WrapperNode [2019-11-24 21:09:15,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:15,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:15,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:15,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:15,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:15,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:15,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:15,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:15,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:15" (1/1) ... [2019-11-24 21:09:15,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:15,286 INFO L168 Benchmark]: Toolchain (without parser) took 1675.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:15,290 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:15,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:15,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:15,296 INFO L168 Benchmark]: Boogie Preprocessor took 115.54 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. [2019-11-24 21:09:15,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1397.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 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 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 115.54 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...