./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-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 549337a323b926b9a8625736d036f89842644e76 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-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 549337a323b926b9a8625736d036f89842644e76 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:28,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:28,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:28,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:28,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:28,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:28,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:28,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:28,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:28,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:28,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:28,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:28,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:28,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:28,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:28,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:28,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:28,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:28,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:28,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:28,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:28,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:28,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:28,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:28,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:28,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:28,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:28,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:28,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:28,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:28,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:28,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:28,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:28,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:28,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:28,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:28,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:28,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:28,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:28,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:28,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:28,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:28,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:28,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:28,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:28,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:28,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:28,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:28,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:28,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:28,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:28,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:28,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:28,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:28,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:28,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:28,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:28,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:28,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:28,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:28,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:28,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:28,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:28,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:28,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:28,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:28,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:28,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:28,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:28,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:28,999 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-11-27 09:49:29,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:29,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:29,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:29,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:29,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:29,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 09:49:29,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598520ca9/f172429974e14611aa0a98bf3a9e9c79/FLAG761c5d2dc [2019-11-27 09:49:30,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:30,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 09:49:31,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598520ca9/f172429974e14611aa0a98bf3a9e9c79/FLAG761c5d2dc [2019-11-27 09:49:31,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598520ca9/f172429974e14611aa0a98bf3a9e9c79 [2019-11-27 09:49:31,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:31,051 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:31,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:31,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:31,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:31,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:31" (1/1) ... [2019-11-27 09:49:31,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d41ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:31, skipping insertion in model container [2019-11-27 09:49:31,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:31" (1/1) ... [2019-11-27 09:49:31,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:31,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:32,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:32,127 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:32,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:32,393 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:32,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32 WrapperNode [2019-11-27 09:49:32,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:32,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:32,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:32,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:32,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:32,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:32,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:32,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:32,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:32,628 INFO L168 Benchmark]: Toolchain (without parser) took 1571.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:32,630 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:32,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1336.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:32,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.31 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. [2019-11-27 09:49:32,652 INFO L168 Benchmark]: Boogie Preprocessor took 113.81 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:32,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1336.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.31 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 113.81 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:36,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:36,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:36,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:36,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:36,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:36,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:36,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:36,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:36,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:36,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:36,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:36,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:36,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:36,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:36,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:36,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:36,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:36,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:36,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:36,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:36,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:36,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:36,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:36,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:36,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:36,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:36,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:36,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:36,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:36,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:36,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:36,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:36,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:36,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:36,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:36,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:36,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:36,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:36,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:36,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:36,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:36,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:36,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:36,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:36,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:36,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:36,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:36,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:36,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:36,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:36,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:36,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:36,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:36,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:36,726 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:36,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:36,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:36,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:36,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:36,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:36,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:36,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:36,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:36,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:36,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:36,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:36,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:36,732 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:36,735 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:36,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:36,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:36,737 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-11-27 09:49:37,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:37,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:37,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:37,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:37,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:37,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 09:49:37,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793f78ef8/db86a4eceb594c538975910987cc8fdc/FLAGfa863d110 [2019-11-27 09:49:38,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:38,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 09:49:38,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793f78ef8/db86a4eceb594c538975910987cc8fdc/FLAGfa863d110 [2019-11-27 09:49:39,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793f78ef8/db86a4eceb594c538975910987cc8fdc [2019-11-27 09:49:39,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:39,204 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:39,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:39,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:39,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:39,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:39" (1/1) ... [2019-11-27 09:49:39,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:39, skipping insertion in model container [2019-11-27 09:49:39,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:39" (1/1) ... [2019-11-27 09:49:39,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:39,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:40,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:40,411 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:40,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:40,680 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:40,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40 WrapperNode [2019-11-27 09:49:40,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:40,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:40,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:40,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:40,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:40,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,964 INFO L168 Benchmark]: Toolchain (without parser) took 1756.77 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 974.1 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:40,968 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. [2019-11-27 09:49:40,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1465.69 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 979.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:40,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.70 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. [2019-11-27 09:49:40,976 INFO L168 Benchmark]: Boogie Preprocessor took 135.57 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. [2019-11-27 09:49:40,984 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 1465.69 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 979.8 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 137.70 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 135.57 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...