./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/tree-4.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/heap-manipulation/tree-4.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 007e384484156a98966ed1421b3dd3e5ea133849 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/heap-manipulation/tree-4.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 007e384484156a98966ed1421b3dd3e5ea133849 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:48:27,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:27,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:27,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:27,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:27,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:27,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:27,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:27,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:27,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:27,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:27,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:27,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:27,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:27,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:27,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:27,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:27,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:27,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:27,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:27,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:27,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:27,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:27,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:27,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:27,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:27,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:27,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:27,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:27,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:27,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:27,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:27,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:27,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:27,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:27,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:27,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:27,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:27,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:27,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:27,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:27,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:27,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:27,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:27,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:27,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:27,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:27,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:27,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:27,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:27,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:27,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:27,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:27,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:27,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:27,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:27,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:27,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:27,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:27,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:27,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:27,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:27,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:27,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:27,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:27,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:27,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:27,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:27,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:27,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:27,862 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 -> 007e384484156a98966ed1421b3dd3e5ea133849 [2019-11-27 09:48:28,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:28,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:28,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:28,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:28,460 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:28,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/tree-4.i [2019-11-27 09:48:28,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc89abd8/ff23d0431b144f3480e7d4c1390d4a33/FLAG792828b69 [2019-11-27 09:48:29,883 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:29,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-4.i [2019-11-27 09:48:29,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc89abd8/ff23d0431b144f3480e7d4c1390d4a33/FLAG792828b69 [2019-11-27 09:48:29,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc89abd8/ff23d0431b144f3480e7d4c1390d4a33 [2019-11-27 09:48:29,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:29,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:29,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:29,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:29,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:29,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:30,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29, skipping insertion in model container [2019-11-27 09:48:30,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:30,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:30,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:31,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:31,075 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:31,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:31,376 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:31,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31 WrapperNode [2019-11-27 09:48:31,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:31,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:31,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:31,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:31,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:31,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:31,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:31,636 INFO L168 Benchmark]: Toolchain (without parser) took 1659.66 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:31,646 INFO L168 Benchmark]: CDTParser took 0.44 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 09:48:31,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:31,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.30 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:31,658 INFO L168 Benchmark]: Boogie Preprocessor took 98.23 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:31,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1396.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.30 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.23 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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-da95e15 [2019-11-27 09:48:35,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:35,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:35,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:35,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:35,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:35,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:35,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:35,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:35,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:35,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:35,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:35,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:35,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:35,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:35,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:35,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:35,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:35,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:35,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:35,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:35,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:35,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:35,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:35,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:35,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:35,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:35,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:35,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:35,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:35,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:35,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:35,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:35,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:35,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:35,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:35,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:35,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:35,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:35,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:35,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:35,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:35,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:35,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:35,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:35,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:35,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:35,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:35,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:35,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:35,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:35,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:35,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:35,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:35,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:35,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:35,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:35,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:35,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:35,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:35,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:35,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:35,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:35,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:35,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:35,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:35,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:35,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:35,974 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:35,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:35,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:35,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:35,978 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 -> 007e384484156a98966ed1421b3dd3e5ea133849 [2019-11-27 09:48:36,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:36,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:36,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:36,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:36,654 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:36,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/tree-4.i [2019-11-27 09:48:36,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7765c684/56e45ae301a84cd0bde16353d118e69a/FLAGd338a6c21 [2019-11-27 09:48:37,971 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:37,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-4.i [2019-11-27 09:48:38,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7765c684/56e45ae301a84cd0bde16353d118e69a/FLAGd338a6c21 [2019-11-27 09:48:38,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7765c684/56e45ae301a84cd0bde16353d118e69a [2019-11-27 09:48:38,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:38,490 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:38,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:38,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:38,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:38,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de57550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:38, skipping insertion in model container [2019-11-27 09:48:38,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:38,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:39,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:39,661 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:39,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:39,962 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:39,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39 WrapperNode [2019-11-27 09:48:39,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:39,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:39,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:39,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:39,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:40,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:40,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:40,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:40,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:40,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:40,303 INFO L168 Benchmark]: Toolchain (without parser) took 1807.51 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 09:48:40,305 INFO L168 Benchmark]: CDTParser took 3.05 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 09:48:40,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1473.93 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 09:48:40,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.28 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 09:48:40,314 INFO L168 Benchmark]: Boogie Preprocessor took 149.95 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 09:48:40,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 1473.93 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 175.28 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 149.95 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...