./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.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-ext/47_ticket_lock_hc_backoff_vs.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 219d6b9593945d8bc2315cfe0cf7d7af877793ba .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.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 219d6b9593945d8bc2315cfe0cf7d7af877793ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:13:32,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:32,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:32,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:32,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:32,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:32,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:32,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:32,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:32,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:32,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:32,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:32,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:32,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:32,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:32,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:32,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:32,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:32,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:32,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:32,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:32,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:32,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:32,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:32,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:32,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:32,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:32,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:32,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:32,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:32,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:32,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:32,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:32,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:32,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:32,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:32,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:32,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:32,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:32,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:32,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:32,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:32,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:32,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:32,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:32,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:32,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:32,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:32,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:32,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:32,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:32,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:32,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:32,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:32,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:32,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:32,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:32,859 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:32,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:32,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:32,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:32,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:32,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:32,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:32,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:32,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:32,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:32,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:32,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:32,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:32,864 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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-11-25 23:13:33,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:33,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:33,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:33,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:33,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:33,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-25 23:13:33,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3da9a57/792913948b624dd58b479cf4b15a9d40/FLAGf4696266d [2019-11-25 23:13:34,242 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:34,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-25 23:13:34,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3da9a57/792913948b624dd58b479cf4b15a9d40/FLAGf4696266d [2019-11-25 23:13:34,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3da9a57/792913948b624dd58b479cf4b15a9d40 [2019-11-25 23:13:34,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:34,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:34,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:34,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:34,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:34,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57095ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34, skipping insertion in model container [2019-11-25 23:13:34,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:34,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:35,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:35,267 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:35,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:35,482 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:35,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35 WrapperNode [2019-11-25 23:13:35,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:35,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:35,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:35,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:35,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:35,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:35,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:35,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:35,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:35" (1/1) ... [2019-11-25 23:13:35,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:35,688 INFO L168 Benchmark]: Toolchain (without parser) took 1240.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.1 MB in the end (delta: 578.4 kB). Peak memory consumption was 643.9 kB. Max. memory is 12.5 GB. [2019-11-25 23:13:35,694 INFO L168 Benchmark]: CDTParser took 1.24 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 23:13:35,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.46 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 966.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:35,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.62 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:35,700 INFO L168 Benchmark]: Boogie Preprocessor took 80.03 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:35,705 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1037.46 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 966.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.62 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.03 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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 23:13:38,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:38,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:38,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:38,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:38,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:38,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:38,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:38,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:38,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:38,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:38,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:38,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:38,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:38,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:38,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:38,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:38,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:38,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:38,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:38,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:38,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:38,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:38,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:38,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:38,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:38,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:38,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:38,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:38,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:38,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:38,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:38,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:38,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:38,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:38,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:38,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:38,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:38,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:38,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:38,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:38,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:38,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:38,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:38,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:38,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:38,621 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:38,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:38,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:38,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:38,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:38,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:38,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:38,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:38,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:38,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:38,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:38,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:38,629 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:38,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:38,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:38,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:38,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:38,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:38,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:38,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:38,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:38,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:38,631 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:38,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:38,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:38,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:38,635 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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-11-25 23:13:39,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:39,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:39,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:39,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:39,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:39,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-25 23:13:39,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c5775d9/2f9979f82d4c4865afb87e9012c34ace/FLAGae0ecaa6e [2019-11-25 23:13:40,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:40,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-25 23:13:40,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c5775d9/2f9979f82d4c4865afb87e9012c34ace/FLAGae0ecaa6e [2019-11-25 23:13:40,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c5775d9/2f9979f82d4c4865afb87e9012c34ace [2019-11-25 23:13:40,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:40,280 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:40,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:40,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:40,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:40,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:40" (1/1) ... [2019-11-25 23:13:40,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285cb205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:40, skipping insertion in model container [2019-11-25 23:13:40,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:40" (1/1) ... [2019-11-25 23:13:40,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:40,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:41,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:41,094 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:41,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:41,309 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:41,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41 WrapperNode [2019-11-25 23:13:41,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:41,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:41,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:41,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:41,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:41,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:41,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:41,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:41,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:41" (1/1) ... [2019-11-25 23:13:41,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:41,498 INFO L168 Benchmark]: Toolchain (without parser) took 1212.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 956.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:41,503 INFO L168 Benchmark]: CDTParser took 0.29 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 23:13:41,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 962.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:41,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.73 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:41,506 INFO L168 Benchmark]: Boogie Preprocessor took 84.91 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:41,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1025.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 962.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 92.73 ms. Allocated memory is still 1.0 GB. Free memory is still 962.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.91 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.6 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...