./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-rb-sentinel-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/sll-rb-sentinel-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 d9f9c3b0fdd5428a38e0eab9236fadbdbb3aa880 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-rb-sentinel-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 d9f9c3b0fdd5428a38e0eab9236fadbdbb3aa880 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:49:46,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:46,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:46,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:46,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:46,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:46,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:46,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:46,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:46,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:46,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:46,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:46,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:46,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:46,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:46,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:46,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:46,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:46,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:46,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:46,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:46,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:46,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:46,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:46,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:46,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:46,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:46,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:46,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:46,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:46,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:46,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:46,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:46,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:46,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:46,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:46,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:46,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:46,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:46,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:46,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:46,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:46,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:46,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:46,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:46,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:46,816 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:46,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:46,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:46,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:46,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:46,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:46,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:46,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:46,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:46,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:46,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:46,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:46,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:46,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:46,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:46,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:46,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:46,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:46,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:46,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:46,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:46,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:46,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:46,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:46,833 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 -> d9f9c3b0fdd5428a38e0eab9236fadbdbb3aa880 [2019-11-27 09:49:47,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:47,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:47,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:47,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:47,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:47,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2019-11-27 09:49:47,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3799c85d4/7ebc5279f7ae4f09a84cd596d337dae0/FLAG3c713861a [2019-11-27 09:49:48,823 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:48,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2019-11-27 09:49:48,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3799c85d4/7ebc5279f7ae4f09a84cd596d337dae0/FLAG3c713861a [2019-11-27 09:49:48,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3799c85d4/7ebc5279f7ae4f09a84cd596d337dae0 [2019-11-27 09:49:48,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:48,914 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:48,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:48,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:48,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:48,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48, skipping insertion in model container [2019-11-27 09:49:48,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:49,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:49,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:49,969 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:50,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:50,213 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50 WrapperNode [2019-11-27 09:49:50,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:50,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:50,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:50,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:50,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:50,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:50,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:50,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:50,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:50" (1/1) ... [2019-11-27 09:49:50,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:50,473 INFO L168 Benchmark]: Toolchain (without parser) took 1552.54 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:50,474 INFO L168 Benchmark]: CDTParser took 1.84 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 09:49:50,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.62 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:50,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.32 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:50,486 INFO L168 Benchmark]: Boogie Preprocessor took 114.77 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:50,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84 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 1300.62 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.32 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.77 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 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 09:49:54,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:54,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:54,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:54,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:54,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:54,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:54,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:54,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:54,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:54,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:54,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:54,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:54,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:54,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:54,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:54,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:54,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:54,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:54,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:54,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:54,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:54,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:54,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:54,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:54,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:54,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:54,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:54,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:54,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:54,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:54,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:54,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:54,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:54,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:54,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:54,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:54,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:54,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:54,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:54,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:54,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:54,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:54,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:54,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:54,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:54,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:54,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:54,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:54,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:54,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:54,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:54,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:54,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:54,669 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:54,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:54,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:54,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:54,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:54,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:54,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:54,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:54,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:54,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:54,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:54,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:54,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:54,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:54,677 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:54,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:54,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:54,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:54,679 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 -> d9f9c3b0fdd5428a38e0eab9236fadbdbb3aa880 [2019-11-27 09:49:55,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:55,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:55,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:55,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:55,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:55,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2019-11-27 09:49:55,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97cf7b2f2/fecd1f3e8d4248f2889c54512910acec/FLAG51bb945ab [2019-11-27 09:49:56,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:56,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2019-11-27 09:49:56,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97cf7b2f2/fecd1f3e8d4248f2889c54512910acec/FLAG51bb945ab [2019-11-27 09:49:57,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97cf7b2f2/fecd1f3e8d4248f2889c54512910acec [2019-11-27 09:49:57,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:57,157 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:57,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:57,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:57,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:57,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:57" (1/1) ... [2019-11-27 09:49:57,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:57, skipping insertion in model container [2019-11-27 09:49:57,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:57" (1/1) ... [2019-11-27 09:49:57,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:57,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:58,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:58,233 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:58,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:58,486 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58 WrapperNode [2019-11-27 09:49:58,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:58,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:58,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:58,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:58,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:58,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:58,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:58,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:58,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:58" (1/1) ... [2019-11-27 09:49:58,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:58,735 INFO L168 Benchmark]: Toolchain (without parser) took 1577.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.1 MB in the end (delta: -13.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:58,736 INFO L168 Benchmark]: CDTParser took 0.50 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 09:49:58,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1325.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:58,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:58,741 INFO L168 Benchmark]: Boogie Preprocessor took 108.91 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:58,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1325.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.91 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...