./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_append_equal.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 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_append_equal.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 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:00,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:00,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:00,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:00,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:00,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:00,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:00,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:00,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:00,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:00,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:00,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:00,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:00,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:00,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:00,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:00,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:00,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:00,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:00,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:00,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:00,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:00,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:00,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:00,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:00,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:00,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:00,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:00,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:00,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:00,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:00,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:00,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:00,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:00,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:00,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:00,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:00,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:00,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:00,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:00,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:00,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:00,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:00,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:00,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:00,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:00,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:00,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:00,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:00,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:00,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:00,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:00,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:00,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:00,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:00,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:00,846 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:00,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:00,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:00,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:00,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:00,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:00,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:00,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:00,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:00,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:00,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:00,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:00,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:00,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:00,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:00,855 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-24 21:09:01,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:01,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:01,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:01,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:01,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:01,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-24 21:09:01,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44138aec/53e3f1750a54402899447eae1a6eb0be/FLAG414b9274d [2019-11-24 21:09:02,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:02,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-24 21:09:02,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44138aec/53e3f1750a54402899447eae1a6eb0be/FLAG414b9274d [2019-11-24 21:09:02,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44138aec/53e3f1750a54402899447eae1a6eb0be [2019-11-24 21:09:02,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:02,938 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:02,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:02,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:02,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:02,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:02" (1/1) ... [2019-11-24 21:09:02,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:02, skipping insertion in model container [2019-11-24 21:09:02,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:02" (1/1) ... [2019-11-24 21:09:02,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:03,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:03,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:03,974 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:04,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:04,226 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:04,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04 WrapperNode [2019-11-24 21:09:04,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:04,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:04,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:04,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:04,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:04,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:04,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:04,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:04,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:04" (1/1) ... [2019-11-24 21:09:04,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:04,472 INFO L168 Benchmark]: Toolchain (without parser) took 1528.97 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. [2019-11-24 21:09:04,481 INFO L168 Benchmark]: CDTParser took 2.63 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. [2019-11-24 21:09:04,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1289.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:04,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:04,491 INFO L168 Benchmark]: Boogie Preprocessor took 104.44 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. [2019-11-24 21:09:04,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.63 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 1289.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.85 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.44 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:08,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:08,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:08,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:08,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:08,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:08,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:08,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:08,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:08,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:08,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:08,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:08,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:08,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:08,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:08,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:08,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:08,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:08,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:08,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:08,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:08,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:08,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:08,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:08,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:08,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:08,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:08,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:08,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:08,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:08,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:08,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:08,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:08,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:08,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:08,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:08,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:08,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:08,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:08,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:08,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:08,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:08,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:08,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:08,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:08,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:08,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:08,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:08,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:08,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:08,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:08,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:08,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:08,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:08,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:08,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:08,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:08,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:08,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:08,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:08,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:08,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:08,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:08,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:08,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:08,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:08,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:08,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:08,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:08,644 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:08,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:08,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:08,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:08,648 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-24 21:09:09,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:09,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:09,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:09,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:09,275 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:09,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-24 21:09:09,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6918047/1412bdb6c0e74c97875e94343e52cc63/FLAG0cfd79a04 [2019-11-24 21:09:10,668 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:10,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-24 21:09:10,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6918047/1412bdb6c0e74c97875e94343e52cc63/FLAG0cfd79a04 [2019-11-24 21:09:10,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6918047/1412bdb6c0e74c97875e94343e52cc63 [2019-11-24 21:09:10,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:10,764 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:10,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:10,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:10,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:10,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:10" (1/1) ... [2019-11-24 21:09:10,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:10, skipping insertion in model container [2019-11-24 21:09:10,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:10" (1/1) ... [2019-11-24 21:09:10,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:10,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:11,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:11,871 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:12,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:12,166 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:12,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12 WrapperNode [2019-11-24 21:09:12,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:12,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:12,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:12,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:12,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:12,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:12,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:12,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:12,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:12,493 INFO L168 Benchmark]: Toolchain (without parser) took 1724.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 966.7 MB in the end (delta: -9.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:12,499 INFO L168 Benchmark]: CDTParser took 0.57 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. [2019-11-24 21:09:12,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1400.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 972.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:12,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.75 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:12,506 INFO L168 Benchmark]: Boogie Preprocessor took 133.71 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:12,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 1400.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 972.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.75 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 133.71 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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...