./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_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/48_ticket_lock_low_contention_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 f174b195ecdc468c9e2d40798e02afe393115fc3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/48_ticket_lock_low_contention_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 f174b195ecdc468c9e2d40798e02afe393115fc3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:30:24,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:24,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:24,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:24,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:24,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:24,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:24,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:24,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:24,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:24,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:24,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:24,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:24,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:24,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:24,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:24,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:24,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:24,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:24,797 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 16:30:24,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:24,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:24,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:24,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:24,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:24,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:24,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:24,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:24,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:24,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:24,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:24,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:24,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:24,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:24,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:24,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:24,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:24,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:24,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:24,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:24,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:30:24,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:24,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:24,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:24,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:24,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:24,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:24,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:24,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:24,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:24,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:24,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:24,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:24,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:24,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:24,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:24,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:24,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:24,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:24,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:24,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:24,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:24,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:24,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:24,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:30:24,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:30:24,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:24,940 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 -> f174b195ecdc468c9e2d40798e02afe393115fc3 [2019-11-27 16:30:25,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:25,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:25,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:25,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:25,527 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:25,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2019-11-27 16:30:25,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c703556/22f48ca652ef486e8d4909ef5a1faaa2/FLAG602fb713a [2019-11-27 16:30:26,878 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:26,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2019-11-27 16:30:26,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c703556/22f48ca652ef486e8d4909ef5a1faaa2/FLAG602fb713a [2019-11-27 16:30:26,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c703556/22f48ca652ef486e8d4909ef5a1faaa2 [2019-11-27 16:30:26,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:26,963 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:26,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:26,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:26,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:26,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:26" (1/1) ... [2019-11-27 16:30:26,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:26, skipping insertion in model container [2019-11-27 16:30:26,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:26" (1/1) ... [2019-11-27 16:30:26,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:27,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:27,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:27,867 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:27,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:28,151 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:28,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:28 WrapperNode [2019-11-27 16:30:28,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:28,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:28,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:28,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:28,181 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 16:30:28,227 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 16:30:28,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:28,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:28,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:28,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:28,283 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 16:30:28,284 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 16:30:28,294 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 16:30:28,295 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 16:30:28,317 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 16:30:28,323 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 16:30:28,333 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 16:30:28,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:28,361 INFO L168 Benchmark]: Toolchain (without parser) took 1378.73 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:28,363 INFO L168 Benchmark]: CDTParser took 1.48 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 16:30:28,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1187.23 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:28,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.05 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 16:30:28,372 INFO L168 Benchmark]: Boogie Preprocessor took 65.94 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 16:30:28,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 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 1187.23 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.05 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 65.94 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 16:30:32,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:32,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:32,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:32,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:32,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:32,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:32,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:32,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:32,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:32,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:32,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:32,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:32,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:32,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:32,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:32,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:32,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:32,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:32,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:32,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:32,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:32,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:32,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:32,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:32,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:32,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:32,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:32,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:32,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:32,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:32,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:32,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:32,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:32,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:32,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:32,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:32,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:32,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:32,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:32,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:32,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:30:32,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:32,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:32,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:32,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:32,429 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:32,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:32,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:32,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:32,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:32,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:32,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:32,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:32,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:30:32,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:30:32,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:32,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:32,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:32,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:32,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:32,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:32,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:32,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:32,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:32,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:32,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:32,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:32,443 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:30:32,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:30:32,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:32,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:30:32,446 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 -> f174b195ecdc468c9e2d40798e02afe393115fc3 [2019-11-27 16:30:33,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:33,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:33,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:33,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:33,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:33,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2019-11-27 16:30:33,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/975f3d5fa/d8ab8554c18d4a3b8abd6d706b61c4ce/FLAG8aa25eb79 [2019-11-27 16:30:34,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:34,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2019-11-27 16:30:34,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/975f3d5fa/d8ab8554c18d4a3b8abd6d706b61c4ce/FLAG8aa25eb79 [2019-11-27 16:30:34,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/975f3d5fa/d8ab8554c18d4a3b8abd6d706b61c4ce [2019-11-27 16:30:34,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:34,495 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:34,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:34,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:34,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:34,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:34" (1/1) ... [2019-11-27 16:30:34,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:34, skipping insertion in model container [2019-11-27 16:30:34,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:34" (1/1) ... [2019-11-27 16:30:34,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:34,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:35,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:35,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:35,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:35,896 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:35,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35 WrapperNode [2019-11-27 16:30:35,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:35,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:35,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:35,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:35,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:35,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:36,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:36,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:36,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:36,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:35" (1/1) ... [2019-11-27 16:30:36,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:36,123 INFO L168 Benchmark]: Toolchain (without parser) took 1625.15 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 966.7 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:36,132 INFO L168 Benchmark]: CDTParser took 1.54 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 16:30:36,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.13 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 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:36,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.12 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 16:30:36,138 INFO L168 Benchmark]: Boogie Preprocessor took 99.13 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 16:30:36,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54 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 1392.13 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 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.12 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 99.13 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...