./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 22:53:29,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:29,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:29,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:29,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:29,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:30,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:30,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:30,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:30,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:30,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:30,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:30,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:30,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:30,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:30,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:30,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:30,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:30,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:30,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:30,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:30,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:30,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:30,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:30,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:30,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:30,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:30,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:30,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:30,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:30,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:30,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:30,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:30,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:30,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:30,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:30,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:30,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:30,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:30,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:30,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:30,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:30,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:30,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:30,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:30,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:30,190 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:30,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:30,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:30,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:30,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:30,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:30,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:30,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:30,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:30,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:30,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:30,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:30,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:30,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:30,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:30,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:30,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:30,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:30,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:30,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:30,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:30,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:30,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:30,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:30,206 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 [2019-11-25 22:53:30,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:30,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:30,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:30,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:30,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:30,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_search-1.i [2019-11-25 22:53:30,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645a773ac/2f8a26f7eac94efcbbc484240db53dc0/FLAG0f7d46923 [2019-11-25 22:53:32,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:32,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_search-1.i [2019-11-25 22:53:32,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645a773ac/2f8a26f7eac94efcbbc484240db53dc0/FLAG0f7d46923 [2019-11-25 22:53:32,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645a773ac/2f8a26f7eac94efcbbc484240db53dc0 [2019-11-25 22:53:32,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:32,323 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:32,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:32,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:32,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:32,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32, skipping insertion in model container [2019-11-25 22:53:32,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:32,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:33,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:33,378 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:33,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:33,650 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:33,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33 WrapperNode [2019-11-25 22:53:33,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:33,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:33,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:33,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:33,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:33,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:33,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:33,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:33,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:33,926 INFO L168 Benchmark]: Toolchain (without parser) took 1588.48 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: -853.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:33,928 INFO L168 Benchmark]: CDTParser took 1.25 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. [2019-11-25 22:53:33,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1329.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:33,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.42 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:33,939 INFO L168 Benchmark]: Boogie Preprocessor took 88.41 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:33,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 1329.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.42 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.41 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:37,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:37,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:37,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:37,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:37,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:37,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:37,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:37,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:37,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:37,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:37,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:37,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:37,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:37,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:37,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:37,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:37,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:37,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:37,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:37,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:37,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:37,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:37,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:37,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:37,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:37,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:37,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:37,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:37,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:37,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:37,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:37,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:37,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:37,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:37,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:37,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:37,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:37,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:37,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:37,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:37,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:37,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:37,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:37,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:37,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:37,982 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:37,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:37,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:37,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:37,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:37,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:37,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:37,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:37,988 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:37,988 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:37,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:37,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:37,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:37,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:37,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:37,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:37,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:37,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:37,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:37,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:37,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:37,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:37,997 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:37,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:37,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:37,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:38,002 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 [2019-11-25 22:53:38,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:38,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:38,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:38,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:38,682 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:38,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_search-1.i [2019-11-25 22:53:38,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850ecfcab/8db2f3ec524c45a59136f221dff8f333/FLAGbe010f703 [2019-11-25 22:53:40,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:40,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_search-1.i [2019-11-25 22:53:40,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850ecfcab/8db2f3ec524c45a59136f221dff8f333/FLAGbe010f703 [2019-11-25 22:53:40,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850ecfcab/8db2f3ec524c45a59136f221dff8f333 [2019-11-25 22:53:40,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:40,138 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:40,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:40,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:40,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:40,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,163 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 25.11 10:53:40, skipping insertion in model container [2019-11-25 22:53:40,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:40,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:41,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,226 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:41,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,502 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:41,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41 WrapperNode [2019-11-25 22:53:41,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:41,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:41,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:41,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:41,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:41,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:41,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:41,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:41,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:41,776 INFO L168 Benchmark]: Toolchain (without parser) took 1634.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,779 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1351.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.3 MB in the end (delta: -850.1 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.05 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,791 INFO L168 Benchmark]: Boogie Preprocessor took 116.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,809 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1351.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.3 MB in the end (delta: -850.1 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.05 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...