./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-divine/ring_2w1r-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-divine/ring_2w1r-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 ae65fe7216104c9a7c82502566c2e5b8bb01bab4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-divine/ring_2w1r-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 ae65fe7216104c9a7c82502566c2e5b8bb01bab4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:39:59,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:59,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:59,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:59,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:59,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:59,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:59,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:59,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:59,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:59,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:59,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:59,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:59,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:59,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:59,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:59,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:59,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:59,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:59,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:59,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:59,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:59,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:59,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:59,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:59,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:59,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:59,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:59,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:59,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:59,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:59,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:59,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:59,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:59,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:59,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:59,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:59,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:59,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:59,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:59,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:39:59,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:59,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:59,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:59,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:59,691 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:59,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:59,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:59,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:39:59,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:59,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:59,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:59,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:59,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:59,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:59,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:59,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:59,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:59,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:59,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:59,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:59,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:59,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:59,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:59,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:59,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:59,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:39:59,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:39:59,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:59,707 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 -> ae65fe7216104c9a7c82502566c2e5b8bb01bab4 [2019-11-27 16:40:00,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:40:00,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:40:00,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:40:00,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:40:00,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:40:00,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2019-11-27 16:40:00,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce2451a/259c5df9b16b47ceaf00986851b91267/FLAG3405222af [2019-11-27 16:40:01,706 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:40:01,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2019-11-27 16:40:01,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce2451a/259c5df9b16b47ceaf00986851b91267/FLAG3405222af [2019-11-27 16:40:02,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce2451a/259c5df9b16b47ceaf00986851b91267 [2019-11-27 16:40:02,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:40:02,181 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:40:02,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:02,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:40:02,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:40:02,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02, skipping insertion in model container [2019-11-27 16:40:02,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:40:02,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:40:02,830 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:03,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:03,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:40:03,668 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:03,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:04,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:40:04,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04 WrapperNode [2019-11-27 16:40:04,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:04,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:04,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:40:04,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:40:04,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:04,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:40:04,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:40:04,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:40:04,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:04" (1/1) ... [2019-11-27 16:40:04,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:40:04,464 INFO L168 Benchmark]: Toolchain (without parser) took 2264.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 933.4 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:04,468 INFO L168 Benchmark]: CDTParser took 0.54 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 16:40:04,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1992.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 939.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:04,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.65 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 933.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:04,478 INFO L168 Benchmark]: Boogie Preprocessor took 109.67 ms. Allocated memory is still 1.0 GB. Free memory is still 933.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:40:04,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1992.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 939.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.65 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 933.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 109.67 ms. Allocated memory is still 1.0 GB. Free memory is still 933.4 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 0.1.24-509859d [2019-11-27 16:40:08,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:40:08,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:40:08,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:40:08,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:40:08,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:40:08,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:40:08,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:40:08,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:40:08,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:40:08,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:40:08,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:40:08,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:40:08,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:40:08,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:40:08,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:40:08,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:40:08,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:40:08,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:40:08,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:40:08,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:40:08,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:40:08,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:40:08,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:40:08,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:40:08,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:40:08,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:40:08,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:40:08,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:40:08,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:40:08,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:40:08,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:40:08,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:40:08,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:40:08,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:40:08,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:40:08,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:40:08,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:40:08,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:40:08,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:40:08,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:40:08,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:40:08,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:40:08,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:40:08,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:40:08,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:40:08,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:40:08,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:40:08,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:40:08,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:40:08,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:40:08,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:40:08,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:40:08,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:40:08,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:40:08,606 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:40:08,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:40:08,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:40:08,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:40:08,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:40:08,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:40:08,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:40:08,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:40:08,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:40:08,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:40:08,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:40:08,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:40:08,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:40:08,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:40:08,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:40:08,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:40:08,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:40:08,617 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 -> ae65fe7216104c9a7c82502566c2e5b8bb01bab4 [2019-11-27 16:40:09,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:40:09,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:40:09,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:40:09,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:40:09,252 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:40:09,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2019-11-27 16:40:09,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cacd04c3f/cc30fc2b03ec4365940ad41c6f1ca955/FLAG85afcd81a [2019-11-27 16:40:10,829 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:40:10,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2019-11-27 16:40:10,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cacd04c3f/cc30fc2b03ec4365940ad41c6f1ca955/FLAG85afcd81a [2019-11-27 16:40:10,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cacd04c3f/cc30fc2b03ec4365940ad41c6f1ca955 [2019-11-27 16:40:10,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:40:10,932 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:40:10,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:10,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:40:10,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:40:10,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:10" (1/1) ... [2019-11-27 16:40:10,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:10, skipping insertion in model container [2019-11-27 16:40:10,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:10" (1/1) ... [2019-11-27 16:40:10,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:40:11,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:40:11,603 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:12,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:12,488 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:40:12,519 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:12,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:13,089 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:40:13,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13 WrapperNode [2019-11-27 16:40:13,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:13,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:13,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:40:13,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:40:13,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:13,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:40:13,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:40:13,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:40:13,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:13" (1/1) ... [2019-11-27 16:40:13,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:40:13,441 INFO L168 Benchmark]: Toolchain (without parser) took 2508.25 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 927.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:13,447 INFO L168 Benchmark]: CDTParser took 0.49 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 16:40:13,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2157.88 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 933.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:13,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.07 ms. Allocated memory is still 1.0 GB. Free memory is still 933.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:40:13,453 INFO L168 Benchmark]: Boogie Preprocessor took 144.40 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 927.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:13,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 2157.88 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 933.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 198.07 ms. Allocated memory is still 1.0 GB. Free memory is still 933.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.40 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 927.6 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...