./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-rb-sentinel-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-rb-sentinel-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:28,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:28,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:28,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:28,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:28,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:28,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:28,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:28,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:28,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:28,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:28,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:28,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:28,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:28,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:28,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:28,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:28,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:28,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:28,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:28,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:28,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:28,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:28,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:28,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:28,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:28,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:28,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:28,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:28,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:28,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:28,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:28,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:28,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:28,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:28,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:28,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:28,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:28,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:28,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:28,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:28,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:28,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:28,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:28,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:28,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:28,941 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:28,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:28,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:28,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:28,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:28,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:28,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:28,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:28,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:28,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:28,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:28,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:28,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:28,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:28,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:28,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:28,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:28,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:28,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:28,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:28,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:28,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:28,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:28,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:28,960 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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-25 22:54:29,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:29,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:29,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:29,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:29,553 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:29,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-25 22:54:29,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b0a1f19/a87f8b2cf87d42d4926872546a913426/FLAG11fbad552 [2019-11-25 22:54:30,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:30,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-25 22:54:30,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b0a1f19/a87f8b2cf87d42d4926872546a913426/FLAG11fbad552 [2019-11-25 22:54:31,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b0a1f19/a87f8b2cf87d42d4926872546a913426 [2019-11-25 22:54:31,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:31,040 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:31,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:31,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:31,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:31,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:31" (1/1) ... [2019-11-25 22:54:31,066 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 25.11 10:54:31, skipping insertion in model container [2019-11-25 22:54:31,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:31" (1/1) ... [2019-11-25 22:54:31,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:31,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:32,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:32,143 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:32,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:32,387 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:32,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32 WrapperNode [2019-11-25 22:54:32,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:32,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:32,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:32,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:32,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:32,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:32,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:32,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:32,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:32,564 INFO L168 Benchmark]: Toolchain (without parser) took 1522.68 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:32,574 INFO L168 Benchmark]: CDTParser took 2.13 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. [2019-11-25 22:54:32,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1341.20 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: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:32,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.44 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:32,577 INFO L168 Benchmark]: Boogie Preprocessor took 73.78 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:32,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 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 1341.20 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: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.44 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.78 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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 0.1.24-65d6cd2 [2019-11-25 22:54:36,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:36,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:36,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:36,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:36,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:36,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:36,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:36,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:36,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:36,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:36,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:36,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:36,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:36,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:36,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:36,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:36,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:36,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:36,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:36,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:36,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:36,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:36,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:36,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:36,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:36,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:36,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:36,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:36,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:36,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:36,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:36,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:36,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:36,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:36,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:36,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:36,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:36,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:36,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:36,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:36,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:36,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:36,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:36,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:36,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:36,622 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:36,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:36,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:36,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:36,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:36,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:36,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:36,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:36,629 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:36,629 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:36,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:36,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:36,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:36,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:36,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:36,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:36,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:36,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:36,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:36,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:36,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:36,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:36,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:36,638 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:36,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:36,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:36,641 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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-25 22:54:37,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:37,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:37,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:37,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:37,334 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:37,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-25 22:54:37,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00c5d949/024f3c0259a44ce1a61223ee62b2d073/FLAG961261c00 [2019-11-25 22:54:38,719 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:38,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-25 22:54:38,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00c5d949/024f3c0259a44ce1a61223ee62b2d073/FLAG961261c00 [2019-11-25 22:54:38,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00c5d949/024f3c0259a44ce1a61223ee62b2d073 [2019-11-25 22:54:38,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:38,812 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:38,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:38,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:38,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:38,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:38" (1/1) ... [2019-11-25 22:54:38,845 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 25.11 10:54:38, skipping insertion in model container [2019-11-25 22:54:38,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:38" (1/1) ... [2019-11-25 22:54:38,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:38,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:39,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:39,992 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:40,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:40,255 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:40,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40 WrapperNode [2019-11-25 22:54:40,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:40,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:40,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:40,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:40,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:40,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:40,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:40,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:40,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:40" (1/1) ... [2019-11-25 22:54:40,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:40,524 INFO L168 Benchmark]: Toolchain (without parser) took 1696.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:40,528 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-25 22:54:40,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1436.03 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. [2019-11-25 22:54:40,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.26 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. [2019-11-25 22:54:40,531 INFO L168 Benchmark]: Boogie Preprocessor took 112.99 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. [2019-11-25 22:54:40,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 1436.03 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 132.26 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 112.99 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...