./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/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 194d8141f2fe46add34fe842cbce6b591bb89557 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/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 194d8141f2fe46add34fe842cbce6b591bb89557 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:29:42,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:42,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:42,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:42,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:42,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:42,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:42,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:42,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:42,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:42,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:42,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:42,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:42,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:42,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:42,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:42,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:42,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:42,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:42,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:42,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:42,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:42,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:42,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:42,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:42,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:42,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:42,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:42,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:42,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:42,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:42,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:42,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:42,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:42,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:42,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:42,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:42,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:42,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:42,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:42,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:42,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:43,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:43,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:43,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:43,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:43,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:43,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:43,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:43,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:43,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:43,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:43,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:43,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:43,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:43,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:43,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:43,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:43,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:43,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:43,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:43,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:43,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:43,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:43,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:43,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:43,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:43,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:43,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:43,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:43,077 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-27 16:29:43,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:43,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:43,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:43,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:43,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:43,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 16:29:43,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba3c286a/aff0042d614c4df495c4ff7ed580a6d2/FLAG22f72dd8f [2019-11-27 16:29:44,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:44,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 16:29:45,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba3c286a/aff0042d614c4df495c4ff7ed580a6d2/FLAG22f72dd8f [2019-11-27 16:29:45,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba3c286a/aff0042d614c4df495c4ff7ed580a6d2 [2019-11-27 16:29:45,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:45,065 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:45,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:45,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:45,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:45,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:45" (1/1) ... [2019-11-27 16:29:45,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:45, skipping insertion in model container [2019-11-27 16:29:45,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:45" (1/1) ... [2019-11-27 16:29:45,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:45,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:46,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:46,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:46,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:47,051 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:47,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47 WrapperNode [2019-11-27 16:29:47,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:47,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:47,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:47,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:47,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:47,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:47,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:47,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:47,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:47,369 INFO L168 Benchmark]: Toolchain (without parser) took 2298.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 939.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:47,371 INFO L168 Benchmark]: CDTParser took 0.34 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 16:29:47,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1977.25 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 945.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:47,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:47,378 INFO L168 Benchmark]: Boogie Preprocessor took 112.73 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:47,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1977.25 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 945.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 112.73 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:51,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:51,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:51,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:51,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:51,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:51,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:51,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:51,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:51,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:51,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:51,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:51,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:51,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:51,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:51,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:51,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:51,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:51,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:51,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:51,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:51,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:51,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:51,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:51,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:51,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:51,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:51,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:51,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:51,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:51,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:51,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:51,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:51,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:51,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:51,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:51,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:51,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:51,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:51,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:51,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:51,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:51,438 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:51,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:51,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:51,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:51,447 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:51,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:51,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:51,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:51,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:51,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:51,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:51,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:51,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:51,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:51,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:51,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:51,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:51,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:51,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:51,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:51,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:51,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:51,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:51,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:51,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:51,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:51,462 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:51,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:51,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:51,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:51,465 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-27 16:29:52,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:52,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:52,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:52,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:52,089 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:52,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 16:29:52,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8365f3/6a402564407e4201be737286b1cb44a1/FLAG61db33dd8 [2019-11-27 16:29:53,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:53,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 16:29:53,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8365f3/6a402564407e4201be737286b1cb44a1/FLAG61db33dd8 [2019-11-27 16:29:54,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8365f3/6a402564407e4201be737286b1cb44a1 [2019-11-27 16:29:54,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:54,078 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:54,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:54,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:54,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:54,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:54" (1/1) ... [2019-11-27 16:29:54,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4915e153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:54, skipping insertion in model container [2019-11-27 16:29:54,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:54" (1/1) ... [2019-11-27 16:29:54,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:54,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:55,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:55,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:55,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:56,039 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:56,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56 WrapperNode [2019-11-27 16:29:56,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:56,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:56,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:56,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:56,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:56,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:56,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:56,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:56,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:56,352 INFO L168 Benchmark]: Toolchain (without parser) took 2268.80 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 933.5 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:56,357 INFO L168 Benchmark]: CDTParser took 2.51 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 16:29:56,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1952.47 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 939.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:56,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.84 ms. Allocated memory is still 1.0 GB. Free memory was 939.2 MB in the beginning and 933.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:56,365 INFO L168 Benchmark]: Boogie Preprocessor took 123.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:56,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.51 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 1952.47 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 939.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 176.84 ms. Allocated memory is still 1.0 GB. Free memory was 939.2 MB in the beginning and 933.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 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...