./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-queue-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/forester-heap/dll-queue-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 39996758d4a4793ed5619e696b4574ccdffaa666 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-queue-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 39996758d4a4793ed5619e696b4574ccdffaa666 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:13,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:13,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:13,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:13,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:13,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:13,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:13,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:13,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:13,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:13,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:13,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:13,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:13,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:13,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:13,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:13,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:13,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:13,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:13,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:13,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:13,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:13,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:13,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:13,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:13,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:13,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:13,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:13,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:13,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:13,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:13,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:13,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:13,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:13,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:13,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:13,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:13,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:13,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:13,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:13,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:13,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:13,748 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:13,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:13,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:13,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:13,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:13,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:13,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:13,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:13,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:13,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:13,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:13,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:13,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:13,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:13,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:13,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:13,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:13,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:13,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:13,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:13,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:13,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:13,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:13,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:13,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:13,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:13,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:13,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:13,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:13,776 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-24 21:08:14,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:14,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:14,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:14,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:14,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:14,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 21:08:14,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5234c6a34/caf9d8b35af44437a86937c7919f29f6/FLAGff03c03b5 [2019-11-24 21:08:15,847 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:15,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 21:08:15,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5234c6a34/caf9d8b35af44437a86937c7919f29f6/FLAGff03c03b5 [2019-11-24 21:08:15,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5234c6a34/caf9d8b35af44437a86937c7919f29f6 [2019-11-24 21:08:15,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:15,937 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:15,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:15,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:15,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:15,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:15, skipping insertion in model container [2019-11-24 21:08:15,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:16,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:16,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:16,994 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:17,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:17,250 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:17,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17 WrapperNode [2019-11-24 21:08:17,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:17,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:17,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:17,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:17,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:17,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:17,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:17,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:17,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:17,482 INFO L168 Benchmark]: Toolchain (without parser) took 1542.41 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 21:08:17,485 INFO L168 Benchmark]: CDTParser took 0.83 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 21:08:17,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1310.99 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 978.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:17,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.65 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:17,500 INFO L168 Benchmark]: Boogie Preprocessor took 110.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 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 21:08:17,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 1310.99 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 978.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.65 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:21,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:21,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:21,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:21,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:21,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:21,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:21,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:21,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:21,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:21,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:21,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:21,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:21,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:21,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:21,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:21,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:21,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:21,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:21,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:21,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:21,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:21,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:21,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:21,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:21,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:21,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:21,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:21,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:21,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:21,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:21,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:21,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:21,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:21,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:21,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:21,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:21,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:21,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:21,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:21,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:21,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:21,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:21,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:21,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:21,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:21,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:21,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:21,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:21,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:21,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:21,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:21,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:21,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:21,631 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:21,631 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:21,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:21,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:21,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:21,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:21,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:21,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:21,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:21,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:21,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:21,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:21,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:21,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:21,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:21,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:21,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:21,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:21,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:21,643 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-24 21:08:22,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:22,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:22,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:22,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:22,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 21:08:22,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ec6f4f4/6c46a975fc2f4dde868f4f458debd0d4/FLAGce877e8aa [2019-11-24 21:08:23,623 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:23,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 21:08:23,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ec6f4f4/6c46a975fc2f4dde868f4f458debd0d4/FLAGce877e8aa [2019-11-24 21:08:24,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ec6f4f4/6c46a975fc2f4dde868f4f458debd0d4 [2019-11-24 21:08:24,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:24,129 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:24,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:24,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:24,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:24,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446a9c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24, skipping insertion in model container [2019-11-24 21:08:24,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:24,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:25,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:25,248 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:25,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:25,535 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:25,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25 WrapperNode [2019-11-24 21:08:25,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:25,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:25,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:25,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:25,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:25,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:25,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:25,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,795 INFO L168 Benchmark]: Toolchain (without parser) took 1664.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.1 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,796 INFO L168 Benchmark]: CDTParser took 0.53 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 21:08:25,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:25,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.85 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,818 INFO L168 Benchmark]: Boogie Preprocessor took 114.80 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:25,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 1396.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.85 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.80 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 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...