./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.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 8a7557f09f8e1fbed7221a578047e51fd09f2dbf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext3-properties/dll_nullified-2.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 8a7557f09f8e1fbed7221a578047e51fd09f2dbf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:29,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:29,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:29,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:29,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:29,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:29,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:30,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:30,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:30,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:30,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:30,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:30,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:30,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:30,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:30,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:30,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:30,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:30,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:30,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:30,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:30,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:30,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:30,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:30,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:30,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:30,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:30,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:30,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:30,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:30,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:30,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:30,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:30,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:30,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:30,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:30,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:30,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:30,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:30,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:30,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:30,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:30,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:30,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:30,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:30,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:30,183 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:30,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:30,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:30,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:30,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:30,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:30,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:30,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:30,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:30,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:30,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:30,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:30,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:30,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:30,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:30,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:30,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:30,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:30,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:30,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:30,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:30,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:30,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:30,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:30,198 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 -> 8a7557f09f8e1fbed7221a578047e51fd09f2dbf [2019-11-25 22:55:30,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:30,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:30,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:30,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:30,837 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:30,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-25 22:55:30,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bf94a9e/0f02070043a04fa4b3ce6ffca28c635e/FLAGf974731cf [2019-11-25 22:55:32,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:32,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-25 22:55:32,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bf94a9e/0f02070043a04fa4b3ce6ffca28c635e/FLAGf974731cf [2019-11-25 22:55:32,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bf94a9e/0f02070043a04fa4b3ce6ffca28c635e [2019-11-25 22:55:32,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:32,313 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:32,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:32,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:32,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:32,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:32" (1/1) ... [2019-11-25 22:55:32,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:32, skipping insertion in model container [2019-11-25 22:55:32,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:32" (1/1) ... [2019-11-25 22:55:32,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:32,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:33,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:33,384 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:33,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:33,661 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:33,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33 WrapperNode [2019-11-25 22:55:33,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:33,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:33,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:33,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:33,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:33,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:33,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:33,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:33,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:33" (1/1) ... [2019-11-25 22:55:33,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:33,903 INFO L168 Benchmark]: Toolchain (without parser) took 1582.46 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 972.6 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:33,918 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:33,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1348.25 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:33,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.38 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:33,926 INFO L168 Benchmark]: Boogie Preprocessor took 87.84 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:33,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 1348.25 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.38 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.84 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:37,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:37,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:37,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:37,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:37,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:37,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:37,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:37,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:37,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:37,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:37,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:37,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:37,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:37,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:37,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:37,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:37,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:37,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:37,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:37,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:37,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:37,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:37,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:37,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:37,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:37,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:37,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:37,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:37,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:37,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:37,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:37,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:37,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:37,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:38,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:38,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:38,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:38,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:38,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:38,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:38,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:38,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:38,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:38,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:38,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:38,058 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:38,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:38,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:38,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:38,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:38,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:38,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:38,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:38,063 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:38,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:38,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:38,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:38,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:38,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:38,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:38,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:38,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:38,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:38,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:38,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:38,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:38,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:38,071 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:38,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:38,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:38,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:38,075 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 -> 8a7557f09f8e1fbed7221a578047e51fd09f2dbf [2019-11-25 22:55:38,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:38,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:38,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:38,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:38,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:38,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-25 22:55:38,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7cb36b/fd494d85f8564652b277b6f25b6a1b2d/FLAG3f30a5d01 [2019-11-25 22:55:40,131 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:40,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-25 22:55:40,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7cb36b/fd494d85f8564652b277b6f25b6a1b2d/FLAG3f30a5d01 [2019-11-25 22:55:40,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7cb36b/fd494d85f8564652b277b6f25b6a1b2d [2019-11-25 22:55:40,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:40,230 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:40,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:40,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:40,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:40,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:40" (1/1) ... [2019-11-25 22:55:40,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a770ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:40, skipping insertion in model container [2019-11-25 22:55:40,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:40" (1/1) ... [2019-11-25 22:55:40,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:40,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:41,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:41,424 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:41,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:41,713 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41 WrapperNode [2019-11-25 22:55:41,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:41,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:41,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:41,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:41,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:41,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:41,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:41,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:41,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:42,002 INFO L168 Benchmark]: Toolchain (without parser) took 1767.51 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 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:42,008 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:42,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1479.39 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 968.2 MB in the end (delta: -782.6 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:42,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.19 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:42,016 INFO L168 Benchmark]: Boogie Preprocessor took 124.96 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:42,028 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1479.39 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 968.2 MB in the end (delta: -782.6 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.19 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.96 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...