./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.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-ext3-properties/sll_circular_traversal-1.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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-ext3-properties/sll_circular_traversal-1.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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:12:20,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:20,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:20,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:20,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:20,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:20,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:20,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:20,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:20,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:20,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:20,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:20,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:20,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:20,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:20,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:20,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:20,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:20,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:20,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:20,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:20,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:20,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:20,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:20,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:20,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:20,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:20,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:20,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:20,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:20,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:20,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:20,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:20,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:20,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:20,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:20,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:20,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:20,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:20,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:20,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:20,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:20,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:20,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:20,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:20,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:20,627 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:20,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:20,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:20,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:20,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:20,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:20,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:20,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:20,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:20,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:20,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:20,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:20,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:20,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:20,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:20,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:20,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:20,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:20,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:20,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:20,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:20,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:20,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:20,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:20,643 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-27 16:12:21,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:21,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:21,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:21,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:21,235 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:21,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 16:12:21,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd7d5e98/3ef086a143284afeaa9b91f224219ba3/FLAG2e996145d [2019-11-27 16:12:22,624 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:22,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 16:12:22,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd7d5e98/3ef086a143284afeaa9b91f224219ba3/FLAG2e996145d [2019-11-27 16:12:22,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd7d5e98/3ef086a143284afeaa9b91f224219ba3 [2019-11-27 16:12:22,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:22,696 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:22,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:22,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:22,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:22,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:22" (1/1) ... [2019-11-27 16:12:22,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:22, skipping insertion in model container [2019-11-27 16:12:22,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:22" (1/1) ... [2019-11-27 16:12:22,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:22,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:23,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:23,717 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:23,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:23,968 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:23,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23 WrapperNode [2019-11-27 16:12:23,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:23,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:23,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:23,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:23,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:24,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:24,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:24,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:24,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:24,193 INFO L168 Benchmark]: Toolchain (without parser) took 1492.54 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 16:12:24,200 INFO L168 Benchmark]: CDTParser took 2.47 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 16:12:24,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1268.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:24,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.21 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 16:12:24,207 INFO L168 Benchmark]: Boogie Preprocessor took 85.58 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 16:12:24,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 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 1268.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.21 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.58 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:12:27,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:28,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:28,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:28,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:28,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:28,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:28,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:28,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:28,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:28,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:28,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:28,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:28,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:28,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:28,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:28,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:28,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:28,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:28,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:28,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:28,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:28,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:28,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:28,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:28,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:28,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:28,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:28,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:28,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:28,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:28,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:28,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:28,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:28,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:28,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:28,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:28,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:28,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:28,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:28,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:28,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:28,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:28,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:28,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:28,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:28,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:28,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:28,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:28,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:28,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:28,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:28,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:28,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:28,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:28,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:28,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:28,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:28,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:28,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:28,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:28,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:28,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:28,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:28,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:28,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:28,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:28,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:28,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:28,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:28,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:28,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:28,253 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-27 16:12:28,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:28,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:28,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:28,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:28,878 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:28,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 16:12:29,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fa87190/8e4ef878e61b45f8841d024bf066c760/FLAG03fb8d75d [2019-11-27 16:12:30,165 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:30,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 16:12:30,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fa87190/8e4ef878e61b45f8841d024bf066c760/FLAG03fb8d75d [2019-11-27 16:12:30,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fa87190/8e4ef878e61b45f8841d024bf066c760 [2019-11-27 16:12:30,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:30,209 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:30,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:30,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:30,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:30,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:30, skipping insertion in model container [2019-11-27 16:12:30,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:30,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:31,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,223 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:31,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,497 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:31,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31 WrapperNode [2019-11-27 16:12:31,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:31,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:31,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:31,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:31,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:31,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:31,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:31,779 INFO L168 Benchmark]: Toolchain (without parser) took 1564.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:31,781 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. [2019-11-27 16:12:31,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1283.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:31,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.08 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:31,788 INFO L168 Benchmark]: Boogie Preprocessor took 118.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:31,800 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 1283.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 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 148.08 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 118.42 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...