./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-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-ext3-properties/sll_circular_traversal-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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext3-properties/sll_circular_traversal-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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:55:29,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:29,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:30,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:30,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:30,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:30,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:30,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:30,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:30,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:30,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:30,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:30,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:30,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:30,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:30,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:30,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:30,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:30,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:30,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:30,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:30,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:30,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:30,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:30,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:30,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:30,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:30,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:30,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:30,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:30,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:30,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:30,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:30,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:30,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:30,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:30,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:30,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:30,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:30,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:30,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:30,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:30,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:30,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:30,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:30,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:30,223 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:30,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:30,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:30,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:30,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:30,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:30,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:30,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:30,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:30,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:30,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:30,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:30,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:30,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:30,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:30,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:30,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:30,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:30,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:30,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:30,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:30,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:30,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:30,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:30,240 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-25 22:55:30,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:30,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:30,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:30,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:30,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:30,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-25 22:55:31,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397918a4/866316a57e144cf0a1e99651cfa19424/FLAG59997fe20 [2019-11-25 22:55:32,163 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:32,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-25 22:55:32,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397918a4/866316a57e144cf0a1e99651cfa19424/FLAG59997fe20 [2019-11-25 22:55:32,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397918a4/866316a57e144cf0a1e99651cfa19424 [2019-11-25 22:55:32,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:32,695 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:32,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:32,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:32,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:32,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:32" (1/1) ... [2019-11-25 22:55:32,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:32, skipping insertion in model container [2019-11-25 22:55:32,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:32" (1/1) ... [2019-11-25 22:55:32,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:32,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:33,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:33,757 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:33,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:34,006 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:34,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34 WrapperNode [2019-11-25 22:55:34,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:34,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:34,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:34,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:34,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:34,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:34,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:34,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:34,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:34" (1/1) ... [2019-11-25 22:55:34,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:34,257 INFO L168 Benchmark]: Toolchain (without parser) took 1557.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:34,259 INFO L168 Benchmark]: CDTParser took 0.44 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 22:55:34,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:34,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:34,267 INFO L168 Benchmark]: Boogie Preprocessor took 99.69 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:34,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1311.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.69 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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 22:55:38,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:38,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:38,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:38,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:38,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:38,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:38,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:38,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:38,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:38,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:38,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:38,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:38,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:38,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:38,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:38,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:38,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:38,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:38,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:38,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:38,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:38,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:38,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:38,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:38,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:38,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:38,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:38,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:38,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:38,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:38,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:38,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:38,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:38,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:38,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:38,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:38,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:38,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:38,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:38,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:38,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:38,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:38,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:38,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:38,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:38,290 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:38,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:38,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:38,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:38,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:38,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:38,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:38,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:38,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:38,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:38,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:38,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:38,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:38,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:38,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:38,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:38,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:38,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:38,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:38,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:38,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:38,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:38,306 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:38,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:38,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:38,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:38,309 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-25 22:55:38,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:38,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:38,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:38,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:38,956 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:38,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-25 22:55:39,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94c7a462/e685d2c442134a7786f70f8de71da79f/FLAG6c2dc4637 [2019-11-25 22:55:40,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:40,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-25 22:55:40,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94c7a462/e685d2c442134a7786f70f8de71da79f/FLAG6c2dc4637 [2019-11-25 22:55:40,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94c7a462/e685d2c442134a7786f70f8de71da79f [2019-11-25 22:55:40,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:40,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:40,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:40,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:40,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:40,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:40" (1/1) ... [2019-11-25 22:55:40,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:40, skipping insertion in model container [2019-11-25 22:55:40,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:40" (1/1) ... [2019-11-25 22:55:40,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:40,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:41,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:41,440 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:41,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:41,729 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:41,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41 WrapperNode [2019-11-25 22:55:41,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:41,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:41,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:41,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:41,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:41,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:41,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:41,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:41,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:41" (1/1) ... [2019-11-25 22:55:41,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:41,980 INFO L168 Benchmark]: Toolchain (without parser) took 1610.00 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 966.8 MB in the end (delta: 647.5 kB). Peak memory consumption was 713.1 kB. Max. memory is 12.5 GB. [2019-11-25 22:55:41,980 INFO L168 Benchmark]: CDTParser took 1.99 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 22:55:41,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.30 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:41,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:41,987 INFO L168 Benchmark]: Boogie Preprocessor took 98.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:42,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 1353.30 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 136.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...