./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 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/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 0.1.24-32f2683 [2019-11-24 21:08:49,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:49,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:49,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:49,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:49,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:49,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:49,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:49,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:49,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:49,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:49,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:49,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:49,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:49,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:49,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:49,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:49,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:49,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:49,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:49,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:49,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:49,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:49,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:49,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:49,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:49,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:49,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:49,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:49,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:49,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:49,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:49,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:49,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:49,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:49,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:49,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:49,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:49,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:49,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:49,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:49,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:49,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:49,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:49,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:49,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:49,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:49,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:49,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:49,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:49,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:49,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:49,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:49,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:49,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:49,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:49,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:49,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:49,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:49,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:49,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:49,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:49,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:49,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:49,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:49,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:49,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:49,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:49,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:49,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:49,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:49,259 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 [2019-11-24 21:08:49,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:49,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:49,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:49,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:49,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:49,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-24 21:08:50,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3908e5121/64a4bb26940341d085d48d616600e22f/FLAG3f8bf76d9 [2019-11-24 21:08:51,279 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:51,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-24 21:08:51,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3908e5121/64a4bb26940341d085d48d616600e22f/FLAG3f8bf76d9 [2019-11-24 21:08:51,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3908e5121/64a4bb26940341d085d48d616600e22f [2019-11-24 21:08:51,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:51,355 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:51,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:51,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:51,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:51,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:51" (1/1) ... [2019-11-24 21:08:51,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:51, skipping insertion in model container [2019-11-24 21:08:51,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:51" (1/1) ... [2019-11-24 21:08:51,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:51,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:52,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:52,401 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:52,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:52,661 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:52,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52 WrapperNode [2019-11-24 21:08:52,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:52,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:52,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:52,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:52,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:52,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:52,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:52,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:52,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:52,935 INFO L168 Benchmark]: Toolchain (without parser) took 1571.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 625.4 kB). Peak memory consumption was 691.0 kB. Max. memory is 12.5 GB. [2019-11-24 21:08:52,947 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 21:08:52,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:52,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.66 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 21:08:52,954 INFO L168 Benchmark]: Boogie Preprocessor took 103.88 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 21:08:52,968 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 1296.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.66 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 103.88 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 21:08:56,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:56,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:56,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:56,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:56,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:56,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:56,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:56,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:56,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:56,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:56,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:56,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:56,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:56,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:56,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:56,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:56,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:56,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:56,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:56,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:56,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:57,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:57,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:57,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:57,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:57,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:57,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:57,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:57,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:57,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:57,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:57,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:57,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:57,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:57,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:57,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:57,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:57,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:57,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:57,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:57,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:57,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:57,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:57,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:57,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:57,099 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:57,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:57,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:57,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:57,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:57,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:57,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:57,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:57,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:57,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:57,106 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:57,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:57,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:57,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:57,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:57,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:57,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:57,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:57,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:57,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:57,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:57,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:57,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:57,115 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:57,115 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:57,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:57,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:57,118 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 [2019-11-24 21:08:57,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:57,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:57,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:57,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:57,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:57,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-24 21:08:57,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f853e273/a473e4d61a034eccb4ad4a1a110dd5d8/FLAG50f3e4bf5 [2019-11-24 21:08:59,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:59,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2019-11-24 21:08:59,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f853e273/a473e4d61a034eccb4ad4a1a110dd5d8/FLAG50f3e4bf5 [2019-11-24 21:08:59,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f853e273/a473e4d61a034eccb4ad4a1a110dd5d8 [2019-11-24 21:08:59,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:59,087 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:59,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:59,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:59,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:59,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:59" (1/1) ... [2019-11-24 21:08:59,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203a729c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:59, skipping insertion in model container [2019-11-24 21:08:59,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:59" (1/1) ... [2019-11-24 21:08:59,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:59,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:00,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:00,137 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:00,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:00,431 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:00,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00 WrapperNode [2019-11-24 21:09:00,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:00,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:00,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:00,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:00,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:00,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:00,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:00,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:00,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00" (1/1) ... [2019-11-24 21:09:00,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:00,681 INFO L168 Benchmark]: Toolchain (without parser) took 1590.95 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 962.4 MB in the end (delta: -729.9 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:00,685 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:00,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1334.89 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 968.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:00,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.63 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:00,692 INFO L168 Benchmark]: Boogie Preprocessor took 108.49 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:00,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1334.89 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 968.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.63 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.49 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 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...