./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_prepend_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 b1e80acb90dba1afece1695551c9c89d7adc1424 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_prepend_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 b1e80acb90dba1afece1695551c9c89d7adc1424 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:07,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:07,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:07,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:07,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:07,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:07,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:07,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:07,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:07,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:07,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:07,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:07,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:07,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:07,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:07,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:07,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:07,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:07,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:07,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:07,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:07,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:07,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:07,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:08,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:08,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:08,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:08,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:08,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:08,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:08,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:08,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:08,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:08,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:08,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:08,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:08,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:08,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:08,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:08,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:08,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:08,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:08,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:08,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:08,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:08,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:08,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:08,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:08,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:08,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:08,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:08,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:08,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:08,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:08,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:08,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:08,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:08,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:08,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:08,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:08,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:08,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:08,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:08,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:08,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:08,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:08,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:08,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:08,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:08,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:08,114 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-27 16:12:08,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:08,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:08,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:08,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:08,676 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:08,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 16:12:08,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6454c0a3f/daad719299c74164ac43a17145934703/FLAGc3951f073 [2019-11-27 16:12:10,044 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:10,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 16:12:10,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6454c0a3f/daad719299c74164ac43a17145934703/FLAGc3951f073 [2019-11-27 16:12:10,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6454c0a3f/daad719299c74164ac43a17145934703 [2019-11-27 16:12:10,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:10,129 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:10,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:10,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:10,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:10,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10, skipping insertion in model container [2019-11-27 16:12:10,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:10,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:11,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:11,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:11,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:11,340 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:11,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11 WrapperNode [2019-11-27 16:12:11,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:11,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:11,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:11,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:11,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:11,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:11,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:11,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:11,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:11,514 INFO L168 Benchmark]: Toolchain (without parser) took 1380.17 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: -816.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:11,514 INFO L168 Benchmark]: CDTParser took 0.38 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 16:12:11,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1200.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:11,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.19 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. [2019-11-27 16:12:11,531 INFO L168 Benchmark]: Boogie Preprocessor took 65.37 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. [2019-11-27 16:12:11,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1200.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.19 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 65.37 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:12:15,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:15,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:15,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:15,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:15,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:15,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:15,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:15,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:15,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:15,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:15,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:15,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:15,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:15,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:15,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:15,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:15,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:15,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:15,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:15,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:15,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:15,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:15,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:15,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:15,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:15,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:15,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:15,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:15,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:15,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:15,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:15,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:15,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:15,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:15,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:15,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:15,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:15,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:15,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:15,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:15,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:15,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:15,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:15,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:15,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:15,570 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:15,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:15,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:15,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:15,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:15,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:15,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:15,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:15,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:15,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:15,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:15,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:15,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:15,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:15,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:15,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:15,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:15,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:15,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:15,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:15,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:15,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:15,583 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:15,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:15,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:15,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:15,586 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 -> b1e80acb90dba1afece1695551c9c89d7adc1424 [2019-11-27 16:12:16,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:16,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:16,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:16,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:16,150 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:16,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 16:12:16,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86744cbf/81d810c808044579b6c9bbe8e0bb9412/FLAG3f4522fd9 [2019-11-27 16:12:17,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:17,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_unequal.i [2019-11-27 16:12:17,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86744cbf/81d810c808044579b6c9bbe8e0bb9412/FLAG3f4522fd9 [2019-11-27 16:12:17,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e86744cbf/81d810c808044579b6c9bbe8e0bb9412 [2019-11-27 16:12:17,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:17,609 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:17,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:17,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:17,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:17,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:17" (1/1) ... [2019-11-27 16:12:17,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7475fdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:17, skipping insertion in model container [2019-11-27 16:12:17,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:17" (1/1) ... [2019-11-27 16:12:17,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:17,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:18,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:18,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:18,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:19,003 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:19,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19 WrapperNode [2019-11-27 16:12:19,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:19,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:19,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:19,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:19,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:19,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:19,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:19,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:19,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:19,285 INFO L168 Benchmark]: Toolchain (without parser) took 1669.61 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: -791.8 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:19,286 INFO L168 Benchmark]: CDTParser took 0.35 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 16:12:19,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:19,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.92 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. [2019-11-27 16:12:19,289 INFO L168 Benchmark]: Boogie Preprocessor took 87.54 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:19,302 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1397.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.92 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. * Boogie Preprocessor took 87.54 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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...