./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-2.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/pthread-ext/25_stack_longest-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 050527184a0c61eaa2ab2393aa6c24f54462b535 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/pthread-ext/25_stack_longest-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 050527184a0c61eaa2ab2393aa6c24f54462b535 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:13:19,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:19,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:19,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:19,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:19,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:19,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:19,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:19,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:19,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:19,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:19,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:19,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:19,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:19,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:19,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:19,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:19,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:19,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:19,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:19,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:19,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:19,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:19,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:19,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:19,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:19,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:19,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:19,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:19,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:19,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:19,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:19,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:19,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:19,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:19,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:19,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:19,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:19,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:19,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:19,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:19,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:20,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:20,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:20,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:20,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:20,026 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:20,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:20,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:20,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:20,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:20,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:20,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:20,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:20,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:20,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:20,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:20,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:20,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:20,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:20,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:20,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:20,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:20,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:20,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:20,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:20,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:20,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:20,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:20,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:20,040 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 -> 050527184a0c61eaa2ab2393aa6c24f54462b535 [2019-11-25 23:13:20,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:20,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:20,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:20,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:20,644 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:20,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-25 23:13:20,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df66170d7/2188680e1f8248e7b46901257fcc802e/FLAGe9fbfdb52 [2019-11-25 23:13:21,975 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:21,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-25 23:13:22,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df66170d7/2188680e1f8248e7b46901257fcc802e/FLAGe9fbfdb52 [2019-11-25 23:13:22,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df66170d7/2188680e1f8248e7b46901257fcc802e [2019-11-25 23:13:22,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:22,046 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:22,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:22,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:22,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:22,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:22" (1/1) ... [2019-11-25 23:13:22,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f922809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:22, skipping insertion in model container [2019-11-25 23:13:22,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:22" (1/1) ... [2019-11-25 23:13:22,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:22,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:23,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:23,187 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:23,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:23,514 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:23,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23 WrapperNode [2019-11-25 23:13:23,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:23,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:23,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:23,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:23,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:23,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:23,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:23,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:23,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:23,772 INFO L168 Benchmark]: Toolchain (without parser) took 1723.35 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 956.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:23,774 INFO L168 Benchmark]: CDTParser took 0.38 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 23:13:23,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1461.63 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 962.5 MB in the end (delta: -766.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:23,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.90 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:23,783 INFO L168 Benchmark]: Boogie Preprocessor took 113.48 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:23,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1461.63 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 962.5 MB in the end (delta: -766.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 128.90 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.48 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 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 23:13:27,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:27,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:27,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:27,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:27,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:27,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:27,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:27,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:27,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:27,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:27,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:27,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:27,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:27,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:27,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:27,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:27,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:27,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:27,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:27,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:27,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:27,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:27,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:27,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:27,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:27,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:27,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:27,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:27,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:27,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:27,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:27,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:27,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:27,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:27,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:27,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:27,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:27,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:27,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:27,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:27,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:28,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:28,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:28,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:28,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:28,010 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:28,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:28,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:28,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:28,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:28,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:28,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:28,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:28,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:28,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:28,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:28,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:28,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:28,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:28,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:28,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:28,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:28,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:28,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:28,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:28,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:28,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:28,025 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:28,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:28,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:28,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:28,029 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 -> 050527184a0c61eaa2ab2393aa6c24f54462b535 [2019-11-25 23:13:28,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:28,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:28,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:28,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:28,587 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:28,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-25 23:13:28,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8396de0ff/14c7e490e2594be5814d45557e19799a/FLAG54a1b9c14 [2019-11-25 23:13:29,954 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:29,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-25 23:13:29,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8396de0ff/14c7e490e2594be5814d45557e19799a/FLAG54a1b9c14 [2019-11-25 23:13:30,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8396de0ff/14c7e490e2594be5814d45557e19799a [2019-11-25 23:13:30,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:30,045 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:30,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:30,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:30,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:30,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:30" (1/1) ... [2019-11-25 23:13:30,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:30, skipping insertion in model container [2019-11-25 23:13:30,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:30" (1/1) ... [2019-11-25 23:13:30,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:30,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:31,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:31,209 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:31,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:31,536 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:31,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31 WrapperNode [2019-11-25 23:13:31,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:31,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:31,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:31,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:31,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:31,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:31,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:31,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:31,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:31" (1/1) ... [2019-11-25 23:13:31,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:31,861 INFO L168 Benchmark]: Toolchain (without parser) took 1810.52 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 961.0 MB in the end (delta: 658.4 kB). Peak memory consumption was 723.9 kB. Max. memory is 12.5 GB. [2019-11-25 23:13:31,865 INFO L168 Benchmark]: CDTParser took 1.83 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 23:13:31,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1488.15 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:31,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.71 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:31,876 INFO L168 Benchmark]: Boogie Preprocessor took 131.74 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:31,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83 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 1488.15 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 182.71 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.74 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 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...