./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/dll2n_prepend_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b10a804e0729604e263f2723af276809c7bd448 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/dll2n_prepend_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b10a804e0729604e263f2723af276809c7bd448 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:04,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:04,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:04,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:04,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:04,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:04,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:04,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:04,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:04,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:04,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:04,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:04,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:05,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:05,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:05,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:05,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:05,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:05,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:05,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:05,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:05,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:05,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:05,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:05,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:05,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:05,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:05,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:05,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:05,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:05,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:05,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:05,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:05,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:05,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:05,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:05,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:05,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:05,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:05,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:05,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:05,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:05,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:05,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:05,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:05,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:05,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:05,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:05,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:05,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:05,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:05,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:05,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:05,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:05,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:05,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:05,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:05,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:05,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:05,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:05,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:05,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:05,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:05,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:05,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:05,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:05,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:05,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:05,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:05,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:05,166 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-27 09:50:05,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:05,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:05,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:05,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:05,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:05,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-27 09:50:05,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce09e10/f44da64e39214d6698408d93294d7cae/FLAG48a24e6e6 [2019-11-27 09:50:07,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:07,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-27 09:50:07,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce09e10/f44da64e39214d6698408d93294d7cae/FLAG48a24e6e6 [2019-11-27 09:50:07,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce09e10/f44da64e39214d6698408d93294d7cae [2019-11-27 09:50:07,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:07,305 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:07,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:07,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:07,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:07,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07, skipping insertion in model container [2019-11-27 09:50:07,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:07,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:08,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:08,390 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:08,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:08,669 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:08,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08 WrapperNode [2019-11-27 09:50:08,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:08,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:08,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:08,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:08,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:08,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:08,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:08,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:08,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:08" (1/1) ... [2019-11-27 09:50:08,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:08,925 INFO L168 Benchmark]: Toolchain (without parser) took 1613.21 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 962.5 MB in the end (delta: -831.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:08,926 INFO L168 Benchmark]: CDTParser took 1.43 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. [2019-11-27 09:50:08,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.58 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 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:08,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.34 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:08,948 INFO L168 Benchmark]: Boogie Preprocessor took 93.40 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 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. [2019-11-27 09:50:08,959 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 1361.58 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 968.3 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 146.34 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.40 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:13,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:13,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:13,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:13,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:13,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:13,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:13,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:13,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:13,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:13,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:13,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:13,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:13,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:13,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:13,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:13,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:13,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:13,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:13,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:13,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:13,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:13,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:13,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:13,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:13,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:13,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:13,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:13,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:13,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:13,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:13,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:13,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:13,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:13,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:13,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:13,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:13,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:13,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:13,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:13,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:13,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:13,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:13,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:13,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:13,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:13,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:13,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:13,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:13,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:13,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:13,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:13,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:13,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:13,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:13,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:13,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:13,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:13,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:13,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:13,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:13,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:13,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:13,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:13,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:13,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:13,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:13,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:13,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:13,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:13,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:13,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:13,274 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2019-11-27 09:50:13,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:13,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:13,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:13,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:13,897 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:13,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-27 09:50:14,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406c77841/ae24402cddb440499837b6ce6a611bee/FLAG403e45b9f [2019-11-27 09:50:15,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:15,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-27 09:50:15,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406c77841/ae24402cddb440499837b6ce6a611bee/FLAG403e45b9f [2019-11-27 09:50:15,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406c77841/ae24402cddb440499837b6ce6a611bee [2019-11-27 09:50:15,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:15,417 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:15,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:15,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:15,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:15,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15, skipping insertion in model container [2019-11-27 09:50:15,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:15,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:16,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:16,466 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:16,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:16,771 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:16,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16 WrapperNode [2019-11-27 09:50:16,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:16,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:16,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:16,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:16,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:16,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:16,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:16,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:16,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:16,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:16,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:16,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:17,094 INFO L168 Benchmark]: Toolchain (without parser) took 1671.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:17,097 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 09:50:17,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:17,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.76 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. [2019-11-27 09:50:17,108 INFO L168 Benchmark]: Boogie Preprocessor took 132.67 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:17,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1353.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.76 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 132.67 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...