./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.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/dll2n_prepend_unequal.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 1b10a804e0729604e263f2723af276809c7bd448 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_unequal.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 1b10a804e0729604e263f2723af276809c7bd448 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:55:03,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:03,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:03,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:03,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:03,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:03,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:03,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:03,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:03,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:03,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:03,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:03,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:03,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:03,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:03,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:03,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:03,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:03,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:03,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:03,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:03,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:03,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:03,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:03,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:03,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:03,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:03,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:03,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:03,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:03,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:03,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:03,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:03,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:03,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:03,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:03,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:03,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:03,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:03,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:03,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:03,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:03,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:03,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:03,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:03,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:03,766 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:03,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:03,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:03,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:03,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:03,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:03,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:03,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:03,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:03,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:03,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:03,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:03,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:03,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:03,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:03,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:03,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:03,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:03,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:03,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:03,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:03,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:03,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:03,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:03,783 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-25 22:55:04,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:04,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:04,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:04,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:04,362 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:04,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-25 22:55:04,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef54b63ee/d468f834bf4749c0a6fa8893d37db760/FLAGc6a9a9320 [2019-11-25 22:55:05,766 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:05,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-25 22:55:05,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef54b63ee/d468f834bf4749c0a6fa8893d37db760/FLAGc6a9a9320 [2019-11-25 22:55:05,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef54b63ee/d468f834bf4749c0a6fa8893d37db760 [2019-11-25 22:55:05,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:05,863 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:05,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:05,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:05,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:05,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:05" (1/1) ... [2019-11-25 22:55:05,889 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 25.11 10:55:05, skipping insertion in model container [2019-11-25 22:55:05,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:05" (1/1) ... [2019-11-25 22:55:05,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:06,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:06,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:06,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:07,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:07,276 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:07,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07 WrapperNode [2019-11-25 22:55:07,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:07,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:07,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:07,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:07,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:07,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:07,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:07,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:07,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:07" (1/1) ... [2019-11-25 22:55:07,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:07,523 INFO L168 Benchmark]: Toolchain (without parser) took 1657.24 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: -776.7 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:07,533 INFO L168 Benchmark]: CDTParser took 0.37 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 22:55:07,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.07 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:07,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.94 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 22:55:07,547 INFO L168 Benchmark]: Boogie Preprocessor took 92.43 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. [2019-11-25 22:55:07,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1413.07 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.94 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 92.43 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 0.1.24-65d6cd2 [2019-11-25 22:55:11,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:11,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:11,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:11,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:11,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:11,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:11,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:11,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:11,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:11,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:11,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:11,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:11,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:11,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:11,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:11,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:11,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:11,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:11,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:11,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:11,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:11,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:11,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:11,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:11,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:11,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:11,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:11,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:11,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:11,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:11,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:11,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:11,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:11,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:11,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:11,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:11,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:11,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:11,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:11,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:11,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:11,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:11,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:11,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:11,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:11,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:11,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:11,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:11,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:11,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:11,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:11,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:11,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:11,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:11,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:11,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:11,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:11,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:11,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:11,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:11,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:11,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:11,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:11,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:11,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:11,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:11,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:11,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:11,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:11,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:11,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:11,894 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-25 22:55:12,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:12,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:12,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:12,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:12,464 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:12,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-25 22:55:12,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac464b0bc/3b15f6c46a8a4cffa5c07f799f999c1d/FLAG0436d94f1 [2019-11-25 22:55:13,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:13,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-25 22:55:13,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac464b0bc/3b15f6c46a8a4cffa5c07f799f999c1d/FLAG0436d94f1 [2019-11-25 22:55:13,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac464b0bc/3b15f6c46a8a4cffa5c07f799f999c1d [2019-11-25 22:55:13,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:13,941 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:13,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:13,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:13,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:13,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:13" (1/1) ... [2019-11-25 22:55:13,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:13, skipping insertion in model container [2019-11-25 22:55:13,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:13" (1/1) ... [2019-11-25 22:55:13,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:14,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:14,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:15,003 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:15,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:15,321 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15 WrapperNode [2019-11-25 22:55:15,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:15,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:15,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:15,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:15,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:15,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:15,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:15,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:15,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:15" (1/1) ... [2019-11-25 22:55:15,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:15,664 INFO L168 Benchmark]: Toolchain (without parser) took 1723.21 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 22:55:15,666 INFO L168 Benchmark]: CDTParser took 3.84 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 22:55:15,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.12 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:15,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.58 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 22:55:15,676 INFO L168 Benchmark]: Boogie Preprocessor took 138.61 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:15,687 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.84 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 1384.12 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.58 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. * Boogie Preprocessor took 138.61 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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...