./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 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-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 0.1.24-509859d [2019-11-27 16:30:24,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:24,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:24,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:24,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:24,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:24,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:24,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:24,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:24,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:24,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:24,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:24,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:24,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:24,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:24,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:24,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:24,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:24,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:24,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:24,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:24,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:24,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:24,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:24,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:24,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:24,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:24,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:24,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:24,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:24,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:24,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:24,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:24,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:24,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:24,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:24,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:24,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:24,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:24,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:24,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:24,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:30:24,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:24,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:24,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:24,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:24,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:24,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:24,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:24,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:30:24,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:24,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:24,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:24,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:24,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:24,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:24,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:24,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:24,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:24,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:24,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:24,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:24,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:24,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:24,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:30:24,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:30:24,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:24,929 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 [2019-11-27 16:30:25,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:25,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:25,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:25,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:25,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:25,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-27 16:30:25,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc7e371a/c7afd1f5bf0b4aa882b254822e31a644/FLAGe2c416fb6 [2019-11-27 16:30:26,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:26,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-27 16:30:27,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc7e371a/c7afd1f5bf0b4aa882b254822e31a644/FLAGe2c416fb6 [2019-11-27 16:30:27,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc7e371a/c7afd1f5bf0b4aa882b254822e31a644 [2019-11-27 16:30:27,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:27,039 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:27,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:27,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:27,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:27,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:27" (1/1) ... [2019-11-27 16:30:27,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:27, skipping insertion in model container [2019-11-27 16:30:27,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:27" (1/1) ... [2019-11-27 16:30:27,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:27,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:28,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:28,126 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:28,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:28,414 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28 WrapperNode [2019-11-27 16:30:28,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:28,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:28,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:28,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:28,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:28,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:28,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:28,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28" (1/1) ... [2019-11-27 16:30:28,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:28,661 INFO L168 Benchmark]: Toolchain (without parser) took 1601.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 678.0 kB). Peak memory consumption was 743.6 kB. Max. memory is 12.5 GB. [2019-11-27 16:30:28,664 INFO L168 Benchmark]: CDTParser took 1.29 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. [2019-11-27 16:30:28,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:28,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.43 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:28,674 INFO L168 Benchmark]: Boogie Preprocessor took 78.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:28,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 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 1369.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.43 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:30:32,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:32,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:32,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:32,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:32,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:32,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:32,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:32,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:32,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:32,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:32,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:32,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:32,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:32,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:32,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:32,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:32,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:32,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:32,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:32,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:32,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:32,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:32,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:32,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:32,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:32,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:32,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:32,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:32,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:32,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:32,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:32,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:32,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:32,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:32,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:32,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:32,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:32,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:32,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:32,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:32,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:30:32,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:32,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:32,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:32,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:32,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:32,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:32,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:32,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:32,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:32,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:32,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:32,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:32,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:30:32,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:30:32,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:32,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:32,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:32,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:32,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:32,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:32,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:32,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:32,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:32,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:32,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:32,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:32,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:30:32,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:30:32,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:32,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:30:32,904 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 [2019-11-27 16:30:33,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:33,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:33,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:33,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:33,538 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:33,540 INFO L428 ainManager$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 [2019-11-27 16:30:33,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f802288fd/d635adee478746fe9353996d25116a39/FLAGb248c1434 [2019-11-27 16:30:34,971 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:34,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-27 16:30:35,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f802288fd/d635adee478746fe9353996d25116a39/FLAGb248c1434 [2019-11-27 16:30:35,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f802288fd/d635adee478746fe9353996d25116a39 [2019-11-27 16:30:35,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:35,071 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:35,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:35,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:35,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:35,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:35,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35, skipping insertion in model container [2019-11-27 16:30:35,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:35,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:35,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:36,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:36,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:36,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:36,559 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:36,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36 WrapperNode [2019-11-27 16:30:36,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:36,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:36,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:36,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:36,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:36,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:36,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:36,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:36,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:36" (1/1) ... [2019-11-27 16:30:36,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:36,844 INFO L168 Benchmark]: Toolchain (without parser) took 1774.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.7 MB in the end (delta: -706.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:36,851 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:36,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1491.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:36,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:36,857 INFO L168 Benchmark]: Boogie Preprocessor took 117.13 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:36,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 1491.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.13 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...