./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list_flag-2.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_flag-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 afc88cbf4886a453fed887733400308a528b9724 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_flag-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 afc88cbf4886a453fed887733400308a528b9724 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:53:28,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:28,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:28,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:28,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:28,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:28,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:28,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:28,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:28,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:28,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:28,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:28,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:28,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:28,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:28,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:28,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:29,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:29,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:29,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:29,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:29,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:29,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:29,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:29,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:29,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:29,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:29,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:29,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:29,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:29,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:29,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:29,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:29,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:29,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:29,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:29,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:29,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:29,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:29,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:29,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:29,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:29,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:29,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:29,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:29,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:29,124 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:29,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:29,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:29,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:29,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:29,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:29,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:29,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:29,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:29,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:29,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:29,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:29,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:29,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:29,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:29,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:29,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:29,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:29,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:29,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:29,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:29,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:29,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:29,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:29,140 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-25 22:53:29,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:29,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:29,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:29,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:29,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:29,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-25 22:53:30,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fac222a9/88251dd060584bb7ae6495c85cfee3fc/FLAGb25570f7a [2019-11-25 22:53:31,243 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:31,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-25 22:53:31,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fac222a9/88251dd060584bb7ae6495c85cfee3fc/FLAGb25570f7a [2019-11-25 22:53:31,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fac222a9/88251dd060584bb7ae6495c85cfee3fc [2019-11-25 22:53:31,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:31,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:31,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:31,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:31,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:31,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:31" (1/1) ... [2019-11-25 22:53:31,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:31, skipping insertion in model container [2019-11-25 22:53:31,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:31" (1/1) ... [2019-11-25 22:53:31,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:31,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:32,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:32,422 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:32,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:32,691 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:32,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32 WrapperNode [2019-11-25 22:53:32,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:32,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:32,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:32,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:32,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:32,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:32,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:32,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:32,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:32,957 INFO L168 Benchmark]: Toolchain (without parser) took 1611.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,968 INFO L168 Benchmark]: CDTParser took 0.34 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 22:53:32,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.55 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:32,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.02 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,979 INFO L168 Benchmark]: Boogie Preprocessor took 98.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,991 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1355.55 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.02 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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 0.1.24-65d6cd2 [2019-11-25 22:53:36,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:36,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:36,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:36,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:36,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:36,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:36,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:36,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:36,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:36,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:36,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:36,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:36,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:36,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:36,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:36,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:36,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:36,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:37,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:37,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:37,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:37,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:37,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:37,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:37,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:37,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:37,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:37,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:37,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:37,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:37,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:37,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:37,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:37,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:37,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:37,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:37,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:37,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:37,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:37,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:37,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:37,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:37,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:37,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:37,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:37,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:37,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:37,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:37,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:37,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:37,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:37,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:37,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:37,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:37,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:37,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:37,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:37,126 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:37,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:37,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:37,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:37,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:37,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:37,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:37,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:37,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:37,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:37,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:37,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:37,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:37,134 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-25 22:53:37,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:37,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:37,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:37,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:37,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:37,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-25 22:53:38,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b52f63a/489cc7fe0a974beeb2aeb2b80942104e/FLAG6fb9bf9ee [2019-11-25 22:53:39,197 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:39,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-25 22:53:39,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b52f63a/489cc7fe0a974beeb2aeb2b80942104e/FLAG6fb9bf9ee [2019-11-25 22:53:39,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b52f63a/489cc7fe0a974beeb2aeb2b80942104e [2019-11-25 22:53:39,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:39,293 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:39,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:39,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:39,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:39,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:39" (1/1) ... [2019-11-25 22:53:39,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:39, skipping insertion in model container [2019-11-25 22:53:39,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:39" (1/1) ... [2019-11-25 22:53:39,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:39,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:40,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:40,457 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:40,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:40,732 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:40,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40 WrapperNode [2019-11-25 22:53:40,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:40,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:40,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:40,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:40,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:40,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:40,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:40,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:40,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:41,004 INFO L168 Benchmark]: Toolchain (without parser) took 1715.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,007 INFO L168 Benchmark]: CDTParser took 0.37 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 22:53:41,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.59 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,020 INFO L168 Benchmark]: Boogie Preprocessor took 117.12 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1441.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.59 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.12 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...