./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack_longer-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 67a25c9874f6ddc470df7d78fecd876e6bc6fb23 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_longer-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 67a25c9874f6ddc470df7d78fecd876e6bc6fb23 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:50,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:50,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:50,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:50,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:50,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:50,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:50,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:50,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:50,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:50,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:50,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:50,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:50,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:50,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:50,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:50,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:50,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:50,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:50,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:50,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:50,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:50,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:50,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:50,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:50,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:50,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:50,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:50,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:50,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:50,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:50,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:50,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:50,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:50,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:50,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:50,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:50,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:50,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:50,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:50,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:50,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:50,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:50,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:50,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:50,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:50,452 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:50,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:50,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:50,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:50,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:50,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:50,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:50,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:50,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:50,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:50,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:50,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:50,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:50,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:50,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:50,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:50,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:50,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:50,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:50,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:50,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:50,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:50,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:50,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:50,471 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 -> 67a25c9874f6ddc470df7d78fecd876e6bc6fb23 [2019-11-25 23:12:51,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:51,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:51,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:51,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:51,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:51,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longer-2.i [2019-11-25 23:12:51,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f56af905/0beda45bf8484ca193b2db19abde242e/FLAG53248a5a6 [2019-11-25 23:12:52,565 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:52,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-2.i [2019-11-25 23:12:52,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f56af905/0beda45bf8484ca193b2db19abde242e/FLAG53248a5a6 [2019-11-25 23:12:53,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f56af905/0beda45bf8484ca193b2db19abde242e [2019-11-25 23:12:53,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:53,033 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:53,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:53,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:53,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:53,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737469c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53, skipping insertion in model container [2019-11-25 23:12:53,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:53,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:54,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:54,567 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:54,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:55,067 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:55,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55 WrapperNode [2019-11-25 23:12:55,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:55,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:55,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:55,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:55,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:55,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:55,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:55,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:55" (1/1) ... [2019-11-25 23:12:55,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,372 INFO L168 Benchmark]: Toolchain (without parser) took 2334.54 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 933.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,374 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:55,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2033.04 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. [2019-11-25 23:12:55,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.62 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:55,383 INFO L168 Benchmark]: Boogie Preprocessor took 112.86 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2033.04 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. * Boogie Procedure Inliner took 177.62 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 112.86 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 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 0.1.24-65d6cd2 [2019-11-25 23:12:59,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:59,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:59,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:59,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:59,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:59,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:59,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:59,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:59,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:59,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:59,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:59,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:59,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:59,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:59,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:59,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:59,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:59,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:59,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:59,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:59,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:59,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:59,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:59,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:59,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:59,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:59,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:59,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:59,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:59,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:59,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:59,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:59,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:59,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:59,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:59,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:59,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:59,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:59,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:59,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:59,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:59,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:59,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:59,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:59,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:59,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:59,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:59,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:59,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:59,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:59,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:59,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:59,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:59,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:59,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:59,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:59,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:59,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:59,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:59,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:59,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:59,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:59,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:59,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:59,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:59,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:59,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:59,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:59,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:59,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:59,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:59,509 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 -> 67a25c9874f6ddc470df7d78fecd876e6bc6fb23 [2019-11-25 23:13:00,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:00,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:00,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:00,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:00,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:00,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longer-2.i [2019-11-25 23:13:00,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2350f67c1/91ffeec748aa48dc86873d77f5d8e6d9/FLAG2e929f29b [2019-11-25 23:13:01,559 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:01,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-2.i [2019-11-25 23:13:01,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2350f67c1/91ffeec748aa48dc86873d77f5d8e6d9/FLAG2e929f29b [2019-11-25 23:13:01,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2350f67c1/91ffeec748aa48dc86873d77f5d8e6d9 [2019-11-25 23:13:01,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:01,644 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:01,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:01,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:01,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:01,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:01,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:01, skipping insertion in model container [2019-11-25 23:13:01,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:01,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:01,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:03,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:03,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,623 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:03,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03 WrapperNode [2019-11-25 23:13:03,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:03,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:03,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:03,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:03,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:03,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:03,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:03,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:03,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:03,943 INFO L168 Benchmark]: Toolchain (without parser) took 2291.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 932.2 MB in the end (delta: 33.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:03,946 INFO L168 Benchmark]: CDTParser took 1.24 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. [2019-11-25 23:13:03,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1967.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 937.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:03,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.59 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:03,958 INFO L168 Benchmark]: Boogie Preprocessor took 126.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:03,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 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 1967.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 937.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.59 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 126.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 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...