./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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-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 7b20f00218841cf1eb7a04da6dc826575976e8d7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-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 7b20f00218841cf1eb7a04da6dc826575976e8d7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:37,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:37,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:37,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:37,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:37,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:37,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:37,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:37,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:37,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:37,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:37,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:37,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:37,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:37,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:37,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:37,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:37,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:37,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:37,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:37,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:37,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:37,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:37,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:37,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:37,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:37,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:37,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:37,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:37,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:37,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:37,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:37,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:37,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:37,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:37,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:37,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:37,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:37,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:37,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:37,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:37,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:37,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:37,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:37,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:37,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:37,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:37,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:37,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:37,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:37,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:37,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:37,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:37,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:37,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:37,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:37,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:37,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:37,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:37,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:37,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:37,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:37,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:37,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:37,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:37,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:37,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:37,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:37,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:37,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:37,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:37,181 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 -> 7b20f00218841cf1eb7a04da6dc826575976e8d7 [2019-11-24 21:26:37,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:37,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:37,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:37,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:37,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:37,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-24 21:26:37,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e99c13d2/3277fd331e884d6ea38e7236ee62d84a/FLAG123d881cc [2019-11-24 21:26:38,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:38,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-24 21:26:38,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e99c13d2/3277fd331e884d6ea38e7236ee62d84a/FLAG123d881cc [2019-11-24 21:26:38,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e99c13d2/3277fd331e884d6ea38e7236ee62d84a [2019-11-24 21:26:38,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:38,720 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:38,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:38,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:38,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:38,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:38" (1/1) ... [2019-11-24 21:26:38,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569f7f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:38, skipping insertion in model container [2019-11-24 21:26:38,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:38" (1/1) ... [2019-11-24 21:26:38,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:38,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:39,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:39,520 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:39,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:39,746 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39 WrapperNode [2019-11-24 21:26:39,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:39,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:39,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:39,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:39,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:39,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:39,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:39,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:39,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:39,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:39,934 INFO L168 Benchmark]: Toolchain (without parser) took 1209.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:39,936 INFO L168 Benchmark]: CDTParser took 3.08 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. [2019-11-24 21:26:39,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1017.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:39,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.23 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. [2019-11-24 21:26:39,956 INFO L168 Benchmark]: Boogie Preprocessor took 61.34 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. [2019-11-24 21:26:39,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.08 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 1017.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.23 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. * Boogie Preprocessor took 61.34 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:42,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:42,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:42,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:42,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:42,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:42,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:42,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:42,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:42,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:42,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:42,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:42,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:42,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:42,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:42,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:42,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:42,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:42,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:42,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:42,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:42,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:42,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:42,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:42,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:42,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:42,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:42,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:42,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:42,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:42,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:42,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:42,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:42,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:42,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:42,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:42,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:42,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:42,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:42,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:42,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:42,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:42,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:42,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:42,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:42,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:42,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:42,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:42,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:42,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:42,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:42,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:42,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:42,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:42,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:42,843 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:42,843 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:42,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:42,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:42,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:42,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:42,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:42,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:42,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:42,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:42,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:42,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:42,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:42,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:42,848 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:42,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:42,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:42,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:42,852 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 -> 7b20f00218841cf1eb7a04da6dc826575976e8d7 [2019-11-24 21:26:43,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:43,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:43,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:43,316 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:43,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:43,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-24 21:26:43,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4ca92cd/cbbb99cf92c44bd3a55bf725439c7b6e/FLAGaffce7f6a [2019-11-24 21:26:44,242 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:44,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-24 21:26:44,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4ca92cd/cbbb99cf92c44bd3a55bf725439c7b6e/FLAGaffce7f6a [2019-11-24 21:26:44,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4ca92cd/cbbb99cf92c44bd3a55bf725439c7b6e [2019-11-24 21:26:44,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:44,449 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:44,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:44,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:44,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:44,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:44" (1/1) ... [2019-11-24 21:26:44,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b72cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:44, skipping insertion in model container [2019-11-24 21:26:44,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:44" (1/1) ... [2019-11-24 21:26:44,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:44,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:45,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:45,300 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:45,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:45,536 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:45,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45 WrapperNode [2019-11-24 21:26:45,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:45,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:45,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:45,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:45,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:45,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:45,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:45,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:45,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:45" (1/1) ... [2019-11-24 21:26:45,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:45,723 INFO L168 Benchmark]: Toolchain (without parser) took 1270.32 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 955.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:45,725 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. [2019-11-24 21:26:45,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.83 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: 657.5 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:45,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.35 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:45,732 INFO L168 Benchmark]: Boogie Preprocessor took 72.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:45,746 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 1081.83 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: 657.5 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.35 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 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...