./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_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/dll2c_append_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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_append_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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:54:59,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:59,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:59,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:59,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:59,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:59,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:59,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:59,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:59,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:59,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:59,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:59,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:59,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:59,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:59,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:59,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:59,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:59,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:59,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:59,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:59,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:59,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:59,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:59,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:59,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:59,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:59,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:59,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:59,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:59,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:59,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:59,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:59,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:59,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:59,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:59,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:59,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:59,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:59,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:59,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:59,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:59,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:59,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:59,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:59,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:59,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:59,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:59,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:59,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:59,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:59,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:59,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:59,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:59,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:59,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:59,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:59,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:59,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:59,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:59,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:59,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:59,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:59,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:59,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:59,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:59,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:59,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:59,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:59,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:59,789 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-25 22:55:00,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:00,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:00,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:00,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:00,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:00,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-25 22:55:00,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1b0d867/e738e36e2fe7439db919c6c7d0b77c21/FLAGcefe13d5d [2019-11-25 22:55:01,752 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:01,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-25 22:55:01,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1b0d867/e738e36e2fe7439db919c6c7d0b77c21/FLAGcefe13d5d [2019-11-25 22:55:01,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1b0d867/e738e36e2fe7439db919c6c7d0b77c21 [2019-11-25 22:55:01,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:01,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:01,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:01,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:01,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:01,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:01" (1/1) ... [2019-11-25 22:55:01,846 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 10:55:01, skipping insertion in model container [2019-11-25 22:55:01,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:01" (1/1) ... [2019-11-25 22:55:01,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:01,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:02,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:02,858 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:03,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:03,139 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:03,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03 WrapperNode [2019-11-25 22:55:03,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:03,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:03,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:03,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:03,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:03,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:03,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:03,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:03,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:03,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:03,416 INFO L168 Benchmark]: Toolchain (without parser) took 1595.15 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 966.8 MB in the end (delta: 617.9 kB). Peak memory consumption was 683.4 kB. Max. memory is 12.5 GB. [2019-11-25 22:55:03,431 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-25 22:55:03,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1318.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:03,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.14 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 22:55:03,441 INFO L168 Benchmark]: Boogie Preprocessor took 109.76 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 22:55:03,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1318.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.14 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 109.76 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:07,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:07,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:07,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:07,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:07,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:07,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:07,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:07,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:07,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:07,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:07,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:07,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:07,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:07,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:07,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:07,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:07,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:07,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:07,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:07,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:07,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:07,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:07,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:07,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:07,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:07,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:07,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:07,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:07,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:07,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:07,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:07,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:07,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:07,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:07,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:07,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:07,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:07,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:07,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:07,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:07,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:07,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:07,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:07,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:07,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:07,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:07,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:07,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:07,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:07,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:07,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:07,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:07,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:07,631 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:07,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:07,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:07,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:07,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:07,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:07,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:07,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:07,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:07,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:07,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:07,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:07,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:07,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:07,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:07,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:07,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:07,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:07,643 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-25 22:55:08,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:08,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:08,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:08,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:08,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:08,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-25 22:55:08,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9ef1b02/319495ddc1454c49a4fde5f055f57f27/FLAG726b9b767 [2019-11-25 22:55:09,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:09,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-25 22:55:09,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9ef1b02/319495ddc1454c49a4fde5f055f57f27/FLAG726b9b767 [2019-11-25 22:55:09,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9ef1b02/319495ddc1454c49a4fde5f055f57f27 [2019-11-25 22:55:09,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:09,687 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:09,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:09,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:09,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:09,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:09" (1/1) ... [2019-11-25 22:55:09,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:09, skipping insertion in model container [2019-11-25 22:55:09,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:09" (1/1) ... [2019-11-25 22:55:09,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:09,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:10,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:10,734 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:10,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:11,057 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:11,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11 WrapperNode [2019-11-25 22:55:11,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:11,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:11,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:11,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:11,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:11,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:11,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:11,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:11,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:11,422 INFO L168 Benchmark]: Toolchain (without parser) took 1730.63 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 22:55:11,424 INFO L168 Benchmark]: CDTParser took 0.45 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 22:55:11,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1373.23 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 22:55:11,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.16 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 22:55:11,430 INFO L168 Benchmark]: Boogie Preprocessor took 149.62 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 22:55:11,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1373.23 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 199.16 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 149.62 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...