./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_update_all.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 ef034042979fe1e524a3655a8992190a25335ff0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_update_all.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 ef034042979fe1e524a3655a8992190a25335ff0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:16,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:16,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:16,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:16,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:16,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:16,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:16,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:16,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:16,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:16,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:16,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:16,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:16,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:16,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:16,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:16,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:16,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:16,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:16,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:16,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:16,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:16,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:16,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:16,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:16,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:16,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:16,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:16,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:16,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:16,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:16,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:16,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:16,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:16,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:16,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:16,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:16,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:16,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:16,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:16,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:16,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:16,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:16,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:16,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:16,866 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:16,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:16,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:16,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:16,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:16,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:16,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:16,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:16,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:16,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:16,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:16,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:16,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:16,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:16,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:16,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:16,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:16,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:16,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:16,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:16,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:16,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:16,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:16,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:16,882 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-25 22:55:17,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:17,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:17,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:17,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:17,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:17,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-25 22:55:17,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c497fcb/4e23161de1884df8851b125fdffbab73/FLAG0dcb60224 [2019-11-25 22:55:18,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:18,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-25 22:55:18,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c497fcb/4e23161de1884df8851b125fdffbab73/FLAG0dcb60224 [2019-11-25 22:55:18,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c497fcb/4e23161de1884df8851b125fdffbab73 [2019-11-25 22:55:18,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:18,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:18,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:19,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:19,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:19,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:19,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:19, skipping insertion in model container [2019-11-25 22:55:19,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:19,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:19,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:20,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:20,069 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:20,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:20,347 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:20,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20 WrapperNode [2019-11-25 22:55:20,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:20,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:20,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:20,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:20,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:20,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:20,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:20,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:20,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:20,644 INFO L168 Benchmark]: Toolchain (without parser) took 1647.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:20,645 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:20,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.29 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:20,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:20,653 INFO L168 Benchmark]: Boogie Preprocessor took 111.63 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:20,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1355.29 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 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 172.25 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 111.63 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:24,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:24,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:24,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:24,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:24,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:24,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:24,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:24,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:24,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:24,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:24,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:24,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:24,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:24,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:24,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:24,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:24,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:24,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:24,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:24,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:24,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:24,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:24,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:24,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:24,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:24,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:24,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:24,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:24,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:24,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:24,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:24,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:24,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:24,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:24,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:24,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:24,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:24,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:24,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:24,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:24,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:24,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:24,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:24,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:24,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:24,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:24,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:24,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:24,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:24,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:24,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:24,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:24,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:24,720 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:24,723 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:24,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:24,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:24,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:24,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:24,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:24,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:24,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:24,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:24,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:24,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:24,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:24,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:24,730 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:24,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:24,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:24,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:24,733 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-25 22:55:25,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:25,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:25,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:25,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:25,316 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:25,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-25 22:55:25,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc18c8d49/18ff728dd1754345bb5aa673a9653860/FLAG4b4f6f20e [2019-11-25 22:55:26,648 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:26,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-25 22:55:26,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc18c8d49/18ff728dd1754345bb5aa673a9653860/FLAG4b4f6f20e [2019-11-25 22:55:27,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc18c8d49/18ff728dd1754345bb5aa673a9653860 [2019-11-25 22:55:27,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:27,156 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:27,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:27,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:27,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:27,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:27" (1/1) ... [2019-11-25 22:55:27,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:27, skipping insertion in model container [2019-11-25 22:55:27,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:27" (1/1) ... [2019-11-25 22:55:27,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:27,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:28,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:28,193 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:28,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:28,477 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:28,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28 WrapperNode [2019-11-25 22:55:28,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:28,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:28,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:28,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:28,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:28,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:28,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:28,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:28,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:28,744 INFO L168 Benchmark]: Toolchain (without parser) took 1583.91 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:28,745 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:28,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1314.52 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:28,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.66 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:28,757 INFO L168 Benchmark]: Boogie Preprocessor took 105.35 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. [2019-11-25 22:55:28,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1314.52 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 973.9 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 149.66 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.35 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...