./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 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/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-da95e15 [2019-11-27 10:08:23,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:23,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:23,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:23,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:23,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:23,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:23,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:23,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:23,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:23,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:23,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:23,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:23,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:23,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:23,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:23,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:23,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:23,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:23,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:23,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:23,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:23,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:23,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:23,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:23,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:23,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:23,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:23,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:23,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:23,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:23,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:23,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:23,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:23,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:23,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:23,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:23,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:23,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:23,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:23,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:23,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:23,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:23,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:23,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:23,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:23,895 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:23,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:23,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:23,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:23,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:23,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:23,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:23,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:23,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:23,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:23,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:23,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:23,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:23,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:23,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:23,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:23,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:23,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:23,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:23,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:23,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:23,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:23,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:23,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:23,912 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 [2019-11-27 10:08:24,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:24,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:24,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:24,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:24,571 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:24,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-27 10:08:24,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93e6f9cd/6f80b7abf79b4e678bc983f84dfbfc4d/FLAGf23f09bb3 [2019-11-27 10:08:25,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:25,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-27 10:08:25,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93e6f9cd/6f80b7abf79b4e678bc983f84dfbfc4d/FLAGf23f09bb3 [2019-11-27 10:08:26,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93e6f9cd/6f80b7abf79b4e678bc983f84dfbfc4d [2019-11-27 10:08:26,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:26,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:26,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:26,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:26,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:26,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9a471f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26, skipping insertion in model container [2019-11-27 10:08:26,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:26,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:27,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:27,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,889 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:27,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27 WrapperNode [2019-11-27 10:08:27,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:27,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:27,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:27,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:28,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:28,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:28,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:28,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:28,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:28,123 INFO L168 Benchmark]: Toolchain (without parser) took 1720.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.1 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:28,140 INFO L168 Benchmark]: CDTParser took 0.43 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 10:08:28,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1492.95 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:28,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.56 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:28,148 INFO L168 Benchmark]: Boogie Preprocessor took 101.50 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:28,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1492.95 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.56 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.50 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:32,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:32,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:32,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:32,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:32,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:32,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:32,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:32,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:32,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:32,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:32,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:32,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:32,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:32,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:32,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:32,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:32,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:32,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:32,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:32,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:32,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:32,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:32,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:32,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:32,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:32,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:32,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:32,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:32,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:32,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:32,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:32,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:32,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:32,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:32,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:32,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:32,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:32,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:32,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:32,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:32,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:32,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:32,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:32,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:32,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:32,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:32,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:32,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:32,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:32,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:32,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:32,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:32,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:32,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:32,262 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:32,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:32,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:32,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:32,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:32,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:32,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:32,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:32,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:32,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:32,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:32,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:32,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:32,270 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:32,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:32,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:32,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:32,273 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 [2019-11-27 10:08:32,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:32,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:32,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:32,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:32,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:32,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-27 10:08:33,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28cb8b64/776a4aec20134f61a5e3d6fa138adc31/FLAG6a0cca08f [2019-11-27 10:08:34,361 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:34,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2019-11-27 10:08:34,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28cb8b64/776a4aec20134f61a5e3d6fa138adc31/FLAG6a0cca08f [2019-11-27 10:08:34,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28cb8b64/776a4aec20134f61a5e3d6fa138adc31 [2019-11-27 10:08:34,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:34,450 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:34,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:34,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:34,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:34,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:34,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34, skipping insertion in model container [2019-11-27 10:08:34,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:34,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:34,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:35,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:35,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:35,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:36,006 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:36,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36 WrapperNode [2019-11-27 10:08:36,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:36,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:36,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:36,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:36,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:36,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:36,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:36,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:36,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:36,285 INFO L168 Benchmark]: Toolchain (without parser) took 1830.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:36,288 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:36,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1556.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:36,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.49 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. [2019-11-27 10:08:36,301 INFO L168 Benchmark]: Boogie Preprocessor took 105.71 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. [2019-11-27 10:08:36,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1556.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.49 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. * Boogie Preprocessor took 105.71 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...