./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2n_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 fabf658906da38258bbb10e77b5550f740cea929 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2n_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 fabf658906da38258bbb10e77b5550f740cea929 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:07,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:07,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:07,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:07,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:07,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:07,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:07,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:07,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:07,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:07,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:07,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:07,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:07,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:07,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:07,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:07,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:07,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:07,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:07,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:07,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:07,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:07,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:07,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:07,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:07,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:07,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:07,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:07,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:07,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:07,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:07,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:07,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:07,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:07,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:07,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:07,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:07,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:07,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:07,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:07,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:07,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:07,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:07,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:07,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:07,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:07,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:07,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:07,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:07,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:07,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:07,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:07,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:07,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:07,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:07,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:07,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:07,888 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:07,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:07,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:07,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:07,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:07,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:07,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:07,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:07,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:07,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:07,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:07,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:07,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:07,897 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 -> fabf658906da38258bbb10e77b5550f740cea929 [2019-11-27 09:50:08,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:08,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:08,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:08,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:08,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:08,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 09:50:08,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2017ce/de16a762ff234db393bc9c8f79849ea0/FLAG456935be3 [2019-11-27 09:50:09,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:09,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 09:50:10,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2017ce/de16a762ff234db393bc9c8f79849ea0/FLAG456935be3 [2019-11-27 09:50:10,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2017ce/de16a762ff234db393bc9c8f79849ea0 [2019-11-27 09:50:10,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:10,068 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:10,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:10,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:10,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:10,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:10" (1/1) ... [2019-11-27 09:50:10,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:10, skipping insertion in model container [2019-11-27 09:50:10,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:10" (1/1) ... [2019-11-27 09:50:10,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:10,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:11,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:11,089 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:11,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:11,369 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:11,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11 WrapperNode [2019-11-27 09:50:11,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:11,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:11,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:11,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:11,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:11,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:11,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:11,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:11,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:11" (1/1) ... [2019-11-27 09:50:11,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:11,638 INFO L168 Benchmark]: Toolchain (without parser) took 1564.73 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: -817.8 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:11,656 INFO L168 Benchmark]: CDTParser took 0.30 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 09:50:11,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1301.67 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:11,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.79 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. [2019-11-27 09:50:11,660 INFO L168 Benchmark]: Boogie Preprocessor took 95.94 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. [2019-11-27 09:50:11,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1301.67 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 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 154.79 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 95.94 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-da95e15 [2019-11-27 09:50:15,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:15,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:15,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:15,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:15,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:15,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:15,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:15,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:15,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:15,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:15,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:15,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:15,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:15,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:15,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:15,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:15,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:15,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:15,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:15,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:15,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:15,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:15,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:15,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:15,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:15,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:15,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:15,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:15,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:15,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:15,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:15,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:15,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:15,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:15,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:15,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:15,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:15,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:15,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:15,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:15,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:15,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:15,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:15,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:15,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:15,789 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:15,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:15,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:15,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:15,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:15,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:15,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:15,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:15,795 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:15,795 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:15,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:15,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:15,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:15,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:15,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:15,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:15,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:15,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:15,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:15,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:15,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:15,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:15,804 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:15,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:15,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:15,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:15,808 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 -> fabf658906da38258bbb10e77b5550f740cea929 [2019-11-27 09:50:16,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:16,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:16,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:16,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:16,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:16,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 09:50:16,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d00b9f7/1e7ada69017b40009a27f2b9aa121d04/FLAG2b63c2dcd [2019-11-27 09:50:17,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:17,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 09:50:17,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d00b9f7/1e7ada69017b40009a27f2b9aa121d04/FLAG2b63c2dcd [2019-11-27 09:50:17,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d00b9f7/1e7ada69017b40009a27f2b9aa121d04 [2019-11-27 09:50:17,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:17,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:17,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:17,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:17,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:17,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:17" (1/1) ... [2019-11-27 09:50:17,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:17, skipping insertion in model container [2019-11-27 09:50:17,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:17" (1/1) ... [2019-11-27 09:50:17,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:18,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:19,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:19,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:19,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:19,340 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:19,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19 WrapperNode [2019-11-27 09:50:19,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:19,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:19,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:19,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:19,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:19,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:19,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:19,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:19,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:19" (1/1) ... [2019-11-27 09:50:19,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:19,610 INFO L168 Benchmark]: Toolchain (without parser) took 1673.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:19,612 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. [2019-11-27 09:50:19,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1411.00 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 968.2 MB in the end (delta: -770.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:19,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.80 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. [2019-11-27 09:50:19,620 INFO L168 Benchmark]: Boogie Preprocessor took 117.81 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:19,632 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 1411.00 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 968.2 MB in the end (delta: -770.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.80 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. * Boogie Preprocessor took 117.81 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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...