./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 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-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 0.1.24-32f2683 [2019-11-24 21:08:13,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:13,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:13,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:13,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:13,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:13,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:13,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:13,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:13,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:13,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:13,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:13,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:13,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:13,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:13,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:13,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:13,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:13,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:13,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:13,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:13,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:13,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:13,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:13,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:13,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:13,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:13,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:13,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:13,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:13,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:13,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:13,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:13,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:13,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:13,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:13,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:13,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:13,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:13,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:13,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:13,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:13,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:13,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:13,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:13,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:13,712 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:13,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:13,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:13,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:13,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:13,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:13,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:13,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:13,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:13,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:13,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:13,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:13,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:13,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:13,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:13,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:13,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:13,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:13,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:13,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:13,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:13,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:13,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:13,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:13,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:13,730 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 [2019-11-24 21:08:14,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:14,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:14,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:14,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:14,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:14,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-24 21:08:14,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836c10e91/6d6b934aa2ce492ebf2b3fed36e19e86/FLAG6282e0a3e [2019-11-24 21:08:15,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:15,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-24 21:08:15,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836c10e91/6d6b934aa2ce492ebf2b3fed36e19e86/FLAG6282e0a3e [2019-11-24 21:08:15,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836c10e91/6d6b934aa2ce492ebf2b3fed36e19e86 [2019-11-24 21:08:15,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:15,884 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:15,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:15,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:15,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:15,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f 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 21:08:15,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:15" (1/1) ... [2019-11-24 21:08:15,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:16,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:17,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:17,082 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:17,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:17,379 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:17,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17 WrapperNode [2019-11-24 21:08:17,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:17,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:17,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:17,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:17,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,464 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 21:08:17,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:17,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:17,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:17,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:17,525 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 21:08:17,526 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 21:08:17,548 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 21:08:17,549 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 21:08:17,573 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 21:08:17,604 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 21:08:17,611 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 21:08:17,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:17,628 INFO L168 Benchmark]: Toolchain (without parser) took 1738.59 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:17,629 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:17,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1495.27 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:17,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.59 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:17,637 INFO L168 Benchmark]: Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:17,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 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 1495.27 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.59 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:21,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:21,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:21,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:21,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:21,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:21,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:21,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:21,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:21,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:21,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:21,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:21,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:21,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:21,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:21,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:21,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:21,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:21,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:21,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:21,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:21,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:21,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:21,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:21,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:21,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:21,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:21,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:21,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:21,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:21,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:21,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:21,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:21,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:21,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:21,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:21,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:21,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:21,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:21,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:21,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:21,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:21,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:21,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:21,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:21,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:21,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:21,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:21,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:21,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:21,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:21,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:21,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:21,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:21,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:21,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:22,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:22,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:22,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:22,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:22,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:22,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:22,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:22,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:22,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:22,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:22,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:22,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:22,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:22,011 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:22,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:22,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:22,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:22,017 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 [2019-11-24 21:08:22,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:22,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:22,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:22,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:22,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:22,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-24 21:08:22,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cc9b2b0/2748baf75ae0407c85e58211221504ad/FLAG29cc7ed1d [2019-11-24 21:08:24,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:24,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-24 21:08:24,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cc9b2b0/2748baf75ae0407c85e58211221504ad/FLAG29cc7ed1d [2019-11-24 21:08:24,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cc9b2b0/2748baf75ae0407c85e58211221504ad [2019-11-24 21:08:24,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:24,273 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:24,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:24,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:24,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:24,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f 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 21:08:24,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:24,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:25,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:25,422 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:25,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:25,683 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:25,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25 WrapperNode [2019-11-24 21:08:25,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:25,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:25,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:25,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:25,709 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 21:08:25,768 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 21:08:25,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:25,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:25,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:25,831 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 21:08:25,832 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 21:08:25,853 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 21:08:25,853 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 21:08:25,896 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 21:08:25,934 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 21:08:25,939 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 21:08:25,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,964 INFO L168 Benchmark]: Toolchain (without parser) took 1686.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 21:08:25,967 INFO L168 Benchmark]: CDTParser took 0.35 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 21:08:25,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1406.76 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 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:25,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.35 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 21:08:25,985 INFO L168 Benchmark]: Boogie Preprocessor took 136.34 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1406.76 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 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.35 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. * Boogie Preprocessor took 136.34 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...