./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:07:15,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:15,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:16,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:16,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:16,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:16,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:16,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:16,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:16,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:16,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:16,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:16,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:16,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:16,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:16,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:16,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:16,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:16,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:16,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:16,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:16,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:16,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:16,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:16,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:16,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:16,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:16,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:16,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:16,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:16,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:16,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:16,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:16,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:16,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:16,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:16,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:16,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:16,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:16,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:16,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:16,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:16,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:16,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:16,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:16,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:16,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:16,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:16,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:16,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:16,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:16,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:16,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:16,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:16,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:16,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:16,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:16,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:16,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:16,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:16,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:16,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:16,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:16,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:16,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:16,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:16,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:16,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:16,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:16,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:16,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:16,222 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 [2019-11-24 21:07:16,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:16,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:16,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:16,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:16,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:16,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 21:07:16,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eee0100a/a95b6f1effb94d459b957f5668548ee8/FLAGe1a407f45 [2019-11-24 21:07:18,178 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:18,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 21:07:18,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eee0100a/a95b6f1effb94d459b957f5668548ee8/FLAGe1a407f45 [2019-11-24 21:07:18,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eee0100a/a95b6f1effb94d459b957f5668548ee8 [2019-11-24 21:07:18,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:18,247 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:18,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:18,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:18,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:18,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18, skipping insertion in model container [2019-11-24 21:07:18,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:18,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:19,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:19,319 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:19,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:19,577 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19 WrapperNode [2019-11-24 21:07:19,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:19,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:19,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:19,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:19,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:19,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:19,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:19,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:19,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:19" (1/1) ... [2019-11-24 21:07:19,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:19,796 INFO L168 Benchmark]: Toolchain (without parser) took 1542.58 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:19,797 INFO L168 Benchmark]: CDTParser took 3.51 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. [2019-11-24 21:07:19,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.84 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:19,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.70 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:19,809 INFO L168 Benchmark]: Boogie Preprocessor took 96.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:19,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.51 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 1320.84 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.70 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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 0.1.24-32f2683 [2019-11-24 21:07:23,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:23,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:23,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:23,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:23,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:23,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:23,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:23,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:23,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:23,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:23,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:23,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:23,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:23,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:23,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:23,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:23,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:23,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:23,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:23,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:23,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:23,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:23,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:23,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:23,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:23,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:23,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:23,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:23,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:23,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:23,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:23,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:23,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:23,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:23,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:23,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:23,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:23,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:23,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:23,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:23,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:23,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:23,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:23,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:23,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:23,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:23,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:23,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:23,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:23,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:23,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:23,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:23,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:23,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:23,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:23,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:23,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:23,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:23,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:23,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:23,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:23,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:23,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:23,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:23,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:23,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:23,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:23,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:23,982 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:23,983 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:23,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:23,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:23,987 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 [2019-11-24 21:07:24,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:24,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:24,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:24,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:24,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:24,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 21:07:24,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4d279d6/14b8fed0e4404bdcae7b1f5ee527154c/FLAG3dea2a8bb [2019-11-24 21:07:25,966 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:25,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-24 21:07:26,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4d279d6/14b8fed0e4404bdcae7b1f5ee527154c/FLAG3dea2a8bb [2019-11-24 21:07:26,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4d279d6/14b8fed0e4404bdcae7b1f5ee527154c [2019-11-24 21:07:26,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:26,062 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:26,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:26,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:26,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:26,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:26" (1/1) ... [2019-11-24 21:07:26,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:26, skipping insertion in model container [2019-11-24 21:07:26,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:26" (1/1) ... [2019-11-24 21:07:26,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:26,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:27,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:27,120 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:27,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:27,383 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:27,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27 WrapperNode [2019-11-24 21:07:27,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:27,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:27,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:27,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:27,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:27,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:27,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:27,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:27,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:27" (1/1) ... [2019-11-24 21:07:27,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:27,663 INFO L168 Benchmark]: Toolchain (without parser) took 1598.79 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 972.5 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:27,668 INFO L168 Benchmark]: CDTParser took 0.73 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. [2019-11-24 21:07:27,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1321.18 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:27,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.78 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:27,673 INFO L168 Benchmark]: Boogie Preprocessor took 113.55 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:27,683 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1321.18 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.78 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.55 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...