./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list_search-1.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-properties/list_search-1.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 8b9ae191666cff52a5646f600ca779e3fb8cdedc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-properties/list_search-1.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 8b9ae191666cff52a5646f600ca779e3fb8cdedc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:10:20,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:20,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:20,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:20,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:20,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:20,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:20,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:20,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:20,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:20,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:20,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:20,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:20,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:20,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:20,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:20,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:20,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:20,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:20,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:20,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:20,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:20,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:20,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:20,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:20,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:20,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:20,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:20,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:20,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:20,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:20,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:20,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:20,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:20,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:20,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:20,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:20,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:20,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:20,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:20,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:20,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:20,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:20,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:20,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:20,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:20,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:20,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:20,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:20,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:20,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:20,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:20,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:20,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:20,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:20,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:20,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:20,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:20,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:20,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:20,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:20,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:20,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:20,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:20,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:20,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:20,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:20,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:20,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:20,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:20,254 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 -> 8b9ae191666cff52a5646f600ca779e3fb8cdedc [2019-11-27 16:10:20,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:20,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:20,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:20,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:20,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:20,925 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_search-1.i [2019-11-27 16:10:21,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046f1e4b9/24eb5b7f09f1483aa53184614d3cb955/FLAG3228fa9b0 [2019-11-27 16:10:22,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:22,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_search-1.i [2019-11-27 16:10:22,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046f1e4b9/24eb5b7f09f1483aa53184614d3cb955/FLAG3228fa9b0 [2019-11-27 16:10:22,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046f1e4b9/24eb5b7f09f1483aa53184614d3cb955 [2019-11-27 16:10:22,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:22,401 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:22,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:22,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:22,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:22,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:22" (1/1) ... [2019-11-27 16:10:22,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:22, skipping insertion in model container [2019-11-27 16:10:22,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:22" (1/1) ... [2019-11-27 16:10:22,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:22,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:23,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:23,497 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:23,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:23,752 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:23,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23 WrapperNode [2019-11-27 16:10:23,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:23,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:23,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:23,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:23,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:23,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:23,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:23,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:23,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,005 INFO L168 Benchmark]: Toolchain (without parser) took 1582.04 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,006 INFO L168 Benchmark]: CDTParser took 0.33 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 16:10:24,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1347.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.51 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,015 INFO L168 Benchmark]: Boogie Preprocessor took 94.68 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1347.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.51 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.68 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 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 16:10:27,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:27,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:27,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:27,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:27,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:27,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:27,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:27,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:27,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:27,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:27,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:27,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:27,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:27,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:27,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:27,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:27,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:27,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:27,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:27,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:27,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:27,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:27,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:27,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:27,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:27,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:27,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:27,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:27,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:27,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:27,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:27,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:27,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:27,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:27,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:27,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:27,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:27,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:27,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:27,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:28,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:28,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:28,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:28,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:28,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:28,050 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:28,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:28,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:28,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:28,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:28,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:28,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:28,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:28,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:28,058 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:28,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:28,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:28,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:28,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:28,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:28,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:28,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:28,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:28,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:28,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:28,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:28,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:28,066 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:28,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:28,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:28,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:28,070 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 -> 8b9ae191666cff52a5646f600ca779e3fb8cdedc [2019-11-27 16:10:28,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:28,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:28,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:28,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:28,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:28,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_search-1.i [2019-11-27 16:10:28,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a83821d7/27556c3f26c7422cb5a349091b17846f/FLAGb559b171f [2019-11-27 16:10:30,181 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:30,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_search-1.i [2019-11-27 16:10:30,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a83821d7/27556c3f26c7422cb5a349091b17846f/FLAGb559b171f [2019-11-27 16:10:30,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a83821d7/27556c3f26c7422cb5a349091b17846f [2019-11-27 16:10:30,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:30,690 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:30,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:30,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:30,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:30,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:30" (1/1) ... [2019-11-27 16:10:30,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:30, skipping insertion in model container [2019-11-27 16:10:30,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:30" (1/1) ... [2019-11-27 16:10:30,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:30,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:31,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:31,777 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:31,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:32,038 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:32,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32 WrapperNode [2019-11-27 16:10:32,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:32,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:32,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:32,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:32,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:32,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:32,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:32,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:32,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:32,310 INFO L168 Benchmark]: Toolchain (without parser) took 1606.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 974.1 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:32,314 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 16:10:32,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1337.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:32,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:32,329 INFO L168 Benchmark]: Boogie Preprocessor took 97.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:32,341 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 1337.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 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...