./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-1.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/forester-heap/dll-circular-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 95b20088216028e3d05e3cb41d4ed5c20af6a751 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/forester-heap/dll-circular-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 95b20088216028e3d05e3cb41d4ed5c20af6a751 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:08:11,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:11,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:11,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:11,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:11,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:11,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:11,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:11,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:11,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:11,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:11,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:11,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:11,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:11,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:11,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:11,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:11,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:11,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:11,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:11,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:11,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:11,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:11,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:11,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:11,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:11,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:11,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:11,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:11,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:11,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:11,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:11,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:11,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:11,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:11,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:11,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:11,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:11,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:11,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:11,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:11,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:11,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:11,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:11,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:11,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:11,366 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:11,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:11,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:11,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:11,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:11,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:11,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:11,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:11,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:11,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:11,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:11,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:11,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:11,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:11,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:11,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:11,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:11,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:11,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:11,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:11,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:11,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:11,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:11,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:11,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:11,383 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-24 21:08:11,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:11,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:11,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:11,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:11,987 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:11,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-24 21:08:12,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e322748/9000173cd6354fd6a57202acf75c1812/FLAG50c821732 [2019-11-24 21:08:13,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:13,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-24 21:08:13,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e322748/9000173cd6354fd6a57202acf75c1812/FLAG50c821732 [2019-11-24 21:08:13,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e322748/9000173cd6354fd6a57202acf75c1812 [2019-11-24 21:08:13,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:13,856 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:13,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:13,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:13,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:13,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13, skipping insertion in model container [2019-11-24 21:08:13,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:14,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:14,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:14,879 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:14,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:15,110 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15 WrapperNode [2019-11-24 21:08:15,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:15,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:15,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:15,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:15,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:15,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:15,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:15,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:15,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:15,353 INFO L168 Benchmark]: Toolchain (without parser) took 1479.25 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 979.9 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:15,354 INFO L168 Benchmark]: CDTParser took 1.12 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. [2019-11-24 21:08:15,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.20 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 979.9 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:15,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.78 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:15,359 INFO L168 Benchmark]: Boogie Preprocessor took 74.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:15,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 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 1251.20 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 979.9 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.78 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 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 0.1.24-32f2683 [2019-11-24 21:08:19,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:19,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:19,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:19,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:19,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:19,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:19,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:19,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:19,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:19,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:19,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:19,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:19,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:19,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:19,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:19,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:19,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:19,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:19,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:19,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:19,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:19,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:19,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:19,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:19,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:19,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:19,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:19,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:19,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:19,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:19,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:19,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:19,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:19,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:19,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:19,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:19,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:19,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:19,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:19,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:19,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:19,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:19,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:19,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:19,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:19,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:19,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:19,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:19,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:19,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:19,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:19,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:19,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:19,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:19,613 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:19,613 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:19,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:19,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:19,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:19,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:19,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:19,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:19,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:19,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:19,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:19,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:19,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:19,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:19,622 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:19,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:19,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:19,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:19,624 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-24 21:08:20,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:20,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:20,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:20,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:20,278 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:20,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-24 21:08:20,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b493fd4/970027e44b4249c982d05ff2801cf8bb/FLAGd0eb4408f [2019-11-24 21:08:21,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:21,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-24 21:08:21,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b493fd4/970027e44b4249c982d05ff2801cf8bb/FLAGd0eb4408f [2019-11-24 21:08:21,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b493fd4/970027e44b4249c982d05ff2801cf8bb [2019-11-24 21:08:21,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:21,788 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:21,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:21,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:21,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:21,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:21" (1/1) ... [2019-11-24 21:08:21,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:21, skipping insertion in model container [2019-11-24 21:08:21,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:21" (1/1) ... [2019-11-24 21:08:21,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:21,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:22,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:22,820 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:22,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:23,077 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:23,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23 WrapperNode [2019-11-24 21:08:23,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:23,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:23,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:23,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:23,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:23,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:23,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:23,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:23,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:23" (1/1) ... [2019-11-24 21:08:23,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:23,313 INFO L168 Benchmark]: Toolchain (without parser) took 1522.33 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 972.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:23,315 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-24 21:08:23,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1283.30 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 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:23,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:23,329 INFO L168 Benchmark]: Boogie Preprocessor took 108.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:23,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1283.30 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 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 118.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 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...