./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_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_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:09:02,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:02,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:02,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:02,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:02,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:02,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:02,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:02,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:02,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:02,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:02,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:02,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:02,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:02,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:02,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:02,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:02,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:02,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:02,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:02,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:02,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:02,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:02,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:02,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:02,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:02,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:02,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:02,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:02,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:02,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:02,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:02,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:02,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:02,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:02,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:02,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:02,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:02,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:02,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:02,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:02,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:02,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:02,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:02,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:02,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:02,947 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:02,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:02,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:02,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:02,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:02,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:02,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:02,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:02,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:02,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:02,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:02,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:02,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:02,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:02,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:02,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:02,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:02,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:02,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:02,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:02,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:02,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:02,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:02,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:02,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:02,962 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-24 21:09:03,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:03,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:03,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:03,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:03,553 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:03,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-24 21:09:03,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95fed9ad/62af1da0272c438bb32b84821f438e31/FLAG3ee8474f2 [2019-11-24 21:09:04,951 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:04,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-24 21:09:05,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95fed9ad/62af1da0272c438bb32b84821f438e31/FLAG3ee8474f2 [2019-11-24 21:09:05,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95fed9ad/62af1da0272c438bb32b84821f438e31 [2019-11-24 21:09:05,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:05,054 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:05,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:05,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:05,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:05,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,079 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 09:09:05, skipping insertion in model container [2019-11-24 21:09:05,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:05" (1/1) ... [2019-11-24 21:09:05,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:05,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:06,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:06,156 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:06,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:06,408 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:06,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06 WrapperNode [2019-11-24 21:09:06,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:06,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:06,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:06,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:06,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:06,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:06,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:06,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:06,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:06" (1/1) ... [2019-11-24 21:09:06,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:06,653 INFO L168 Benchmark]: Toolchain (without parser) took 1598.11 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: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:06,654 INFO L168 Benchmark]: CDTParser took 0.99 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 21:09:06,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.68 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:06,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.50 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:06,675 INFO L168 Benchmark]: Boogie Preprocessor took 88.56 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:06,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 1350.68 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.50 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.56 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. 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 21:09:10,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:10,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:10,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:10,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:10,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:10,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:10,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:10,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:10,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:10,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:10,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:10,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:10,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:10,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:10,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:10,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:10,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:10,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:10,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:10,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:10,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:10,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:10,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:10,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:10,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:10,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:10,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:10,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:10,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:10,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:10,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:10,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:10,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:10,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:10,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:10,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:10,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:10,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:10,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:10,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:10,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:10,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:10,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:10,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:10,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:10,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:10,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:10,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:10,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:10,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:10,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:10,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:10,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:10,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:10,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:10,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:10,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:10,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:10,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:10,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:10,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:10,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:10,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:10,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:10,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:10,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:10,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:10,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:10,698 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:10,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:10,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:10,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:10,702 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-24 21:09:11,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:11,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:11,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:11,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:11,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:11,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-24 21:09:11,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9d7d704/abd6cb4c08f34d57adcca38ea38060bc/FLAGdbf2eb445 [2019-11-24 21:09:12,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:12,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-24 21:09:12,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9d7d704/abd6cb4c08f34d57adcca38ea38060bc/FLAGdbf2eb445 [2019-11-24 21:09:12,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9d7d704/abd6cb4c08f34d57adcca38ea38060bc [2019-11-24 21:09:12,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:12,705 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:12,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:12,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:12,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:12,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:12, skipping insertion in model container [2019-11-24 21:09:12,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:12" (1/1) ... [2019-11-24 21:09:12,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:12,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:13,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:13,771 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:13,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:14,069 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:14,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14 WrapperNode [2019-11-24 21:09:14,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:14,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:14,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:14,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:14,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:14,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:14,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:14,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:14,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:14" (1/1) ... [2019-11-24 21:09:14,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:14,346 INFO L168 Benchmark]: Toolchain (without parser) took 1631.81 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 966.7 MB in the end (delta: 669.6 kB). Peak memory consumption was 735.1 kB. Max. memory is 12.5 GB. [2019-11-24 21:09:14,347 INFO L168 Benchmark]: CDTParser took 1.08 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. [2019-11-24 21:09:14,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1354.05 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:14,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.34 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 21:09:14,362 INFO L168 Benchmark]: Boogie Preprocessor took 106.57 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 21:09:14,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 1354.05 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.34 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 106.57 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...