./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-2.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-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:49:26,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:26,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:26,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:26,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:26,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:26,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:26,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:26,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:26,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:26,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:26,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:26,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:26,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:26,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:26,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:26,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:26,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:26,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:26,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:26,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:26,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:26,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:26,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:26,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:26,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:26,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:26,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:26,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:26,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:26,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:26,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:26,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:26,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:26,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:26,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:26,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:26,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:26,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:26,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:26,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:26,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:26,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:26,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:26,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:26,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:26,879 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:26,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:26,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:26,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:26,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:26,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:26,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:26,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:26,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:26,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:26,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:26,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:26,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:26,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:26,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:26,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:26,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:26,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:26,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:26,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:26,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:26,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:26,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:26,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:26,893 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-27 09:49:27,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:27,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:27,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:27,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:27,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:27,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 09:49:27,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5810dea/2cb86abab7e84e6d98e392a56b19fed9/FLAGb8ba610e6 [2019-11-27 09:49:28,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:28,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 09:49:28,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5810dea/2cb86abab7e84e6d98e392a56b19fed9/FLAGb8ba610e6 [2019-11-27 09:49:28,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5810dea/2cb86abab7e84e6d98e392a56b19fed9 [2019-11-27 09:49:28,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:28,922 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:28,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:28,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:28,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:28,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:28" (1/1) ... [2019-11-27 09:49:28,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:28, skipping insertion in model container [2019-11-27 09:49:28,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:28" (1/1) ... [2019-11-27 09:49:28,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:29,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:29,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:29,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:30,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:30,178 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:30,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30 WrapperNode [2019-11-27 09:49:30,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:30,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:30,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:30,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:30,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:30,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:30,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:30,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:30,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:30,422 INFO L168 Benchmark]: Toolchain (without parser) took 1499.39 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:30,427 INFO L168 Benchmark]: CDTParser took 0.32 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 09:49:30,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1256.21 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:30,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:30,438 INFO L168 Benchmark]: Boogie Preprocessor took 103.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:30,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1256.21 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:34,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:34,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:34,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:34,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:34,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:34,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:34,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:34,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:34,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:34,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:34,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:34,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:34,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:34,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:34,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:34,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:34,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:34,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:34,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:34,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:34,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:34,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:34,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:34,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:34,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:34,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:34,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:34,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:34,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:34,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:34,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:34,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:34,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:34,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:34,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:34,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:34,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:34,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:34,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:34,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:34,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:34,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:34,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:34,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:34,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:34,741 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:34,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:34,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:34,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:34,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:34,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:34,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:34,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:34,748 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:34,748 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:34,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:34,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:34,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:34,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:34,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:34,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:34,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:34,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:34,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:34,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:34,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:34,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:34,766 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:34,766 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:34,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:34,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:34,769 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-27 09:49:35,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:35,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:35,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:35,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:35,369 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:35,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 09:49:35,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bffbc378/2da6171fadd349f295495172ee3faa6e/FLAG00a8135d2 [2019-11-27 09:49:36,641 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:36,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-27 09:49:36,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bffbc378/2da6171fadd349f295495172ee3faa6e/FLAG00a8135d2 [2019-11-27 09:49:37,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bffbc378/2da6171fadd349f295495172ee3faa6e [2019-11-27 09:49:37,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:37,199 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:37,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:37,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:37,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:37,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37, skipping insertion in model container [2019-11-27 09:49:37,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:37,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:38,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:38,306 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:38,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:38,557 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:38,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38 WrapperNode [2019-11-27 09:49:38,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:38,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:38,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:38,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:38,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:38,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:38,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:38,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:38,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:38,825 INFO L168 Benchmark]: Toolchain (without parser) took 1621.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:38,826 INFO L168 Benchmark]: CDTParser took 0.33 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 09:49:38,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:38,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.81 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:38,837 INFO L168 Benchmark]: Boogie Preprocessor took 106.34 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 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. [2019-11-27 09:49:38,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1359.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.81 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.34 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 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...