./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/sll-01-2.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 31de2fb67e84e52bb7705ac8720e6b139fef2d91 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll-01-2.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 31de2fb67e84e52bb7705ac8720e6b139fef2d91 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:31,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:31,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:31,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:31,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:31,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:31,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:31,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:31,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:31,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:31,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:31,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:31,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:31,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:31,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:31,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:31,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:31,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:31,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:31,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:31,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:31,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:31,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:31,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:31,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:31,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:31,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:31,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:31,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:31,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:31,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:31,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:31,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:31,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:31,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:31,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:31,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:31,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:31,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:31,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:31,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:31,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:31,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:31,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:31,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:31,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:31,753 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:31,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:31,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:31,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:31,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:31,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:31,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:31,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:31,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:31,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:31,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:31,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:31,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:31,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:31,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:31,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:31,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:31,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:31,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:31,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:31,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:31,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:31,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:31,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:31,768 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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2019-11-27 16:11:32,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:32,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:32,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:32,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:32,443 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:32,448 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-27 16:11:32,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb44a2104/3b83de9fadb247d893c5812e2ecfc2e8/FLAG58d5012b3 [2019-11-27 16:11:33,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:33,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-27 16:11:33,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb44a2104/3b83de9fadb247d893c5812e2ecfc2e8/FLAG58d5012b3 [2019-11-27 16:11:34,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb44a2104/3b83de9fadb247d893c5812e2ecfc2e8 [2019-11-27 16:11:34,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:34,262 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:34,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:34,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:34,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:34,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:34" (1/1) ... [2019-11-27 16:11:34,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3788b2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:34, skipping insertion in model container [2019-11-27 16:11:34,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:34" (1/1) ... [2019-11-27 16:11:34,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:34,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:35,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:35,383 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:35,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:35,659 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:35,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35 WrapperNode [2019-11-27 16:11:35,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:35,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:35,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:35,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:35,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:35,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:35,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:35,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:35,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:35,945 INFO L168 Benchmark]: Toolchain (without parser) took 1673.51 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:35,955 INFO L168 Benchmark]: CDTParser took 0.42 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 16:11:35,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1386.10 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:35,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.72 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:35,963 INFO L168 Benchmark]: Boogie Preprocessor took 116.70 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:35,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1386.10 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.72 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.70 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 973.9 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 0.1.24-509859d [2019-11-27 16:11:39,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:39,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:39,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:39,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:39,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:39,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:39,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:39,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:39,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:39,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:39,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:39,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:39,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:39,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:39,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:39,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:39,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:39,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:39,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:39,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:39,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:39,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:39,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:39,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:39,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:39,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:39,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:39,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:39,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:39,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:39,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:39,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:39,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:39,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:39,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:39,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:39,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:39,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:39,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:39,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:39,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:40,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:40,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:40,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:40,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:40,024 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:40,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:40,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:40,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:40,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:40,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:40,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:40,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:40,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:40,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:40,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:40,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:40,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:40,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:40,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:40,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:40,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:40,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:40,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:40,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:40,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:40,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:40,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:40,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:40,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:40,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:40,044 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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2019-11-27 16:11:40,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:40,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:40,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:40,624 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:40,624 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:40,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-27 16:11:40,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44053414c/efac02ef1e744f35b4b4474c9092284d/FLAG1114bbdb7 [2019-11-27 16:11:42,013 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:42,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-27 16:11:42,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44053414c/efac02ef1e744f35b4b4474c9092284d/FLAG1114bbdb7 [2019-11-27 16:11:42,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44053414c/efac02ef1e744f35b4b4474c9092284d [2019-11-27 16:11:42,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:42,103 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:42,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:42,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:42,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:42,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:42" (1/1) ... [2019-11-27 16:11:42,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:42, skipping insertion in model container [2019-11-27 16:11:42,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:42" (1/1) ... [2019-11-27 16:11:42,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:42,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:43,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:43,221 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:43,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:43,498 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:43,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43 WrapperNode [2019-11-27 16:11:43,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:43,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:43,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:43,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:43,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:43,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:43,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:43,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:43,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:43" (1/1) ... [2019-11-27 16:11:43,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:43,748 INFO L168 Benchmark]: Toolchain (without parser) took 1642.59 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 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:43,749 INFO L168 Benchmark]: CDTParser took 0.40 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 16:11:43,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.12 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:43,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.21 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:43,762 INFO L168 Benchmark]: Boogie Preprocessor took 98.21 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:43,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1393.12 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 974.1 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 141.21 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.21 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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...