./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.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-ext2-properties/simple_search_value-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b89e1b4b0597444acf9d2aec4a49940585f021e9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext2-properties/simple_search_value-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b89e1b4b0597444acf9d2aec4a49940585f021e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:11:47,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:47,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:47,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:47,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:47,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:47,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:47,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:47,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:47,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:47,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:47,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:47,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:47,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:47,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:47,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:47,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:47,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:47,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:47,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:47,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:47,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:47,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:47,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:47,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:47,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:47,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:47,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:47,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:47,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:47,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:47,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:47,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:47,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:47,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:47,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:47,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:47,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:47,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:47,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:47,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:47,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:47,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:47,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:47,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:47,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:47,452 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:47,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:47,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:47,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:47,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:47,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:47,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:47,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:47,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:47,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:47,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:47,457 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:47,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:47,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:47,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:47,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:47,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:47,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:47,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:47,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:47,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:47,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:47,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:47,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:47,462 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 -> b89e1b4b0597444acf9d2aec4a49940585f021e9 [2019-11-27 16:11:47,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:47,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:47,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:47,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:47,968 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:47,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2019-11-27 16:11:48,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d928da47f/e40a5773555e4197bb52ecfd7dd64ee4/FLAG096ffd3e3 [2019-11-27 16:11:49,267 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:49,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2019-11-27 16:11:49,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d928da47f/e40a5773555e4197bb52ecfd7dd64ee4/FLAG096ffd3e3 [2019-11-27 16:11:49,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d928da47f/e40a5773555e4197bb52ecfd7dd64ee4 [2019-11-27 16:11:49,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:49,359 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:49,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:49,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:49,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:49,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:49" (1/1) ... [2019-11-27 16:11:49,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:49, skipping insertion in model container [2019-11-27 16:11:49,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:49" (1/1) ... [2019-11-27 16:11:49,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:49,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:50,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:50,450 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:50,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:50,691 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:50,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50 WrapperNode [2019-11-27 16:11:50,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:50,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:50,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:50,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:50,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:50,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:50,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:50,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:50,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:50" (1/1) ... [2019-11-27 16:11:50,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:50,896 INFO L168 Benchmark]: Toolchain (without parser) took 1520.11 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:50,901 INFO L168 Benchmark]: CDTParser took 3.60 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 16:11:50,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1335.62 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 16:11:50,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.89 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 16:11:50,911 INFO L168 Benchmark]: Boogie Preprocessor took 71.10 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 16:11:50,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.60 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 1335.62 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 107.89 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 71.10 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. 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 16:11:54,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:54,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:54,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:54,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:54,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:54,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:55,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:55,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:55,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:55,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:55,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:55,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:55,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:55,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:55,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:55,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:55,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:55,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:55,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:55,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:55,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:55,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:55,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:55,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:55,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:55,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:55,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:55,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:55,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:55,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:55,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:55,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:55,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:55,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:55,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:55,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:55,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:55,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:55,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:55,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:55,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:55,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:55,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:55,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:55,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:55,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:55,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:55,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:55,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:55,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:55,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:55,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:55,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:55,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:55,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:55,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:55,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:55,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:55,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:55,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:55,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:55,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:55,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:55,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:55,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:55,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:55,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:55,181 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:55,183 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:55,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:55,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:55,185 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 -> b89e1b4b0597444acf9d2aec4a49940585f021e9 [2019-11-27 16:11:55,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:55,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:55,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:55,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:55,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:55,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2019-11-27 16:11:55,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7386ad0e9/95f635d513fa4436bd7a9c88ee47d9b7/FLAGcfbb54cc3 [2019-11-27 16:11:57,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:57,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2019-11-27 16:11:57,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7386ad0e9/95f635d513fa4436bd7a9c88ee47d9b7/FLAGcfbb54cc3 [2019-11-27 16:11:57,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7386ad0e9/95f635d513fa4436bd7a9c88ee47d9b7 [2019-11-27 16:11:57,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:57,623 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:57,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:57,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:57,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:57,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:57" (1/1) ... [2019-11-27 16:11:57,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:57, skipping insertion in model container [2019-11-27 16:11:57,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:57" (1/1) ... [2019-11-27 16:11:57,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:57,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:58,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:58,740 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:58,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:59,004 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:59,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59 WrapperNode [2019-11-27 16:11:59,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:59,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:59,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:59,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:59,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:59,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:59,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:59,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:59,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:59" (1/1) ... [2019-11-27 16:11:59,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:59,243 INFO L168 Benchmark]: Toolchain (without parser) took 1613.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.0 MB in the end (delta: -17.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:59,255 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. [2019-11-27 16:11:59,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:59,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:59,266 INFO L168 Benchmark]: Boogie Preprocessor took 99.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:59,275 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 1379.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.0 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...