./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all.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/dll2c_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed4d18349810257ce078dfe4f08b9b953ed4516f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed4d18349810257ce078dfe4f08b9b953ed4516f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:46,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:46,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:46,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:46,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:46,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:46,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:46,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:46,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:46,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:46,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:46,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:46,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:46,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:46,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:46,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:46,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:46,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:46,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:46,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:46,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:46,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:46,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:46,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:46,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:46,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:46,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:46,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:46,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:46,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:46,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:46,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:46,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:46,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:46,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:46,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:46,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:46,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:46,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:46,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:46,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:46,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:47,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:47,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:47,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:47,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:47,014 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:47,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:47,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:47,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:47,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:47,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:47,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:47,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:47,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:47,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:47,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:47,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:47,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:47,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:47,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:47,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:47,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:47,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:47,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:47,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:47,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:47,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:47,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:47,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:47,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:47,030 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-24 21:08:47,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:47,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:47,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:47,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:47,653 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:47,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 21:08:47,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60a76bee/748d6a8eb06e480b928ddbbbdb7f8d44/FLAGa4cc8e258 [2019-11-24 21:08:49,011 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:49,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 21:08:49,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60a76bee/748d6a8eb06e480b928ddbbbdb7f8d44/FLAGa4cc8e258 [2019-11-24 21:08:49,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60a76bee/748d6a8eb06e480b928ddbbbdb7f8d44 [2019-11-24 21:08:49,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:49,097 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:49,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:49,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:49,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:49,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:49" (1/1) ... [2019-11-24 21:08:49,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:49, skipping insertion in model container [2019-11-24 21:08:49,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:49" (1/1) ... [2019-11-24 21:08:49,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:49,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:50,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:50,197 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:50,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:50,462 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:50,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50 WrapperNode [2019-11-24 21:08:50,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:50,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:50,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:50,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:50,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:50,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:50,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:50,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:50,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:50" (1/1) ... [2019-11-24 21:08:50,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:50,704 INFO L168 Benchmark]: Toolchain (without parser) took 1596.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.8 MB in the end (delta: -824.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:50,706 INFO L168 Benchmark]: CDTParser took 0.82 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 21:08:50,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1351.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:50,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.82 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 21:08:50,722 INFO L168 Benchmark]: Boogie Preprocessor took 92.77 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 21:08:50,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 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 1351.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.82 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 92.77 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 21:08:54,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:54,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:54,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:54,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:54,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:54,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:54,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:54,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:54,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:54,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:54,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:54,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:54,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:54,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:54,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:54,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:54,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:54,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:54,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:54,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:54,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:54,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:54,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:54,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:54,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:54,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:54,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:54,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:54,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:54,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:54,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:54,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:54,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:54,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:54,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:54,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:54,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:54,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:54,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:54,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:54,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:54,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:54,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:54,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:54,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:54,882 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:54,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:54,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:54,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:54,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:54,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:54,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:54,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:54,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:54,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:54,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:54,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:54,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:54,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:54,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:54,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:54,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:54,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:54,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:54,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:54,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:54,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:54,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:54,896 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:54,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:54,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:54,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:54,900 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-24 21:08:55,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:55,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:55,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:55,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:55,467 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:55,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 21:08:55,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad109bb/b3174e8cac7442b7b37d614d0e0e34b5/FLAG00882d4db [2019-11-24 21:08:56,789 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:56,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 21:08:56,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad109bb/b3174e8cac7442b7b37d614d0e0e34b5/FLAG00882d4db [2019-11-24 21:08:57,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ad109bb/b3174e8cac7442b7b37d614d0e0e34b5 [2019-11-24 21:08:57,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:57,279 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:57,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:57,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:57,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:57,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:57" (1/1) ... [2019-11-24 21:08:57,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207b6c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:57, skipping insertion in model container [2019-11-24 21:08:57,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:57" (1/1) ... [2019-11-24 21:08:57,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:57,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:58,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:58,415 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:58,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:58,710 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:58,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58 WrapperNode [2019-11-24 21:08:58,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:58,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:58,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:58,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:58,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:58,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:58,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:58,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:58,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:58,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:58" (1/1) ... [2019-11-24 21:08:59,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:59,025 INFO L168 Benchmark]: Toolchain (without parser) took 1745.93 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:59,030 INFO L168 Benchmark]: CDTParser took 2.08 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 21:08:59,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.89 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:59,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:59,041 INFO L168 Benchmark]: Boogie Preprocessor took 151.60 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 21:08:59,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.08 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 1429.89 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 151.60 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...