./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-atomic/qrcu-1.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 46f179efc1f86f33188127c8c9e222a597376e16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-atomic/qrcu-1.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 46f179efc1f86f33188127c8c9e222a597376e16 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:04,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:04,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:04,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:04,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:04,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:04,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:04,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:04,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:04,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:04,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:04,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:04,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:04,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:04,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:04,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:04,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:04,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:04,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:04,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:04,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:04,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:04,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:04,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:04,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:04,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:04,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:04,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:04,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:04,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:04,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:04,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:04,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:04,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:04,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:04,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:04,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:04,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:04,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:04,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:04,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:04,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:04,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:04,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:04,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:04,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:04,861 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:04,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:04,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:04,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:04,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:04,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:04,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:04,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:04,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:04,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:04,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:04,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:04,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:04,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:04,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:04,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:04,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:04,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:04,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:04,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:04,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:04,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:04,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:04,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:04,877 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 -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-27 10:08:05,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:05,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:05,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:05,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:05,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:05,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 10:08:05,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f458ffc67/a1d4327394f54392aa9bdd23a7701364/FLAG505e1476e [2019-11-27 10:08:06,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:06,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 10:08:06,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f458ffc67/a1d4327394f54392aa9bdd23a7701364/FLAG505e1476e [2019-11-27 10:08:07,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f458ffc67/a1d4327394f54392aa9bdd23a7701364 [2019-11-27 10:08:07,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:07,043 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:07,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:07,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:07,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:07,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:07" (1/1) ... [2019-11-27 10:08:07,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:07, skipping insertion in model container [2019-11-27 10:08:07,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:07" (1/1) ... [2019-11-27 10:08:07,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:07,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:08,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:08,247 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:08,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:08,619 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:08,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08 WrapperNode [2019-11-27 10:08:08,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:08,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:08,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:08,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:08,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:08,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:08,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:08,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:08,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:08" (1/1) ... [2019-11-27 10:08:08,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:08,879 INFO L168 Benchmark]: Toolchain (without parser) took 1834.57 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 961.0 MB in the end (delta: 733.7 kB). Peak memory consumption was 799.2 kB. Max. memory is 12.5 GB. [2019-11-27 10:08:08,882 INFO L168 Benchmark]: CDTParser took 1.80 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 10:08:08,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1573.85 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 961.0 MB in the end (delta: 733.7 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:08,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.44 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:08,889 INFO L168 Benchmark]: Boogie Preprocessor took 104.60 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:08,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 1573.85 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 961.0 MB in the end (delta: 733.7 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.44 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.60 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:12,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:12,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:12,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:12,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:12,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:12,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:12,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:12,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:12,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:12,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:12,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:12,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:12,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:12,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:12,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:12,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:12,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:12,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:12,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:12,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:12,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:12,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:12,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:12,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:12,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:12,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:12,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:12,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:12,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:12,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:12,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:12,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:12,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:12,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:12,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:12,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:12,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:12,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:12,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:12,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:12,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:12,969 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:12,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:12,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:12,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:12,977 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:12,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:12,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:12,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:12,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:12,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:12,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:12,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:12,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:12,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:12,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:12,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:12,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:12,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:12,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:12,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:12,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:12,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:12,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:12,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:12,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:12,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:12,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:12,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:12,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:12,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:12,996 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 -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-27 10:08:13,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:13,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:13,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:13,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:13,606 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:13,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 10:08:13,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0648220f/82c90a86ae6e4c1db36be3698e114eb9/FLAGc913b171c [2019-11-27 10:08:14,952 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:14,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 10:08:14,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0648220f/82c90a86ae6e4c1db36be3698e114eb9/FLAGc913b171c [2019-11-27 10:08:15,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0648220f/82c90a86ae6e4c1db36be3698e114eb9 [2019-11-27 10:08:15,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:15,445 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:15,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:15,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:15,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:15,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:15" (1/1) ... [2019-11-27 10:08:15,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a3da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:15, skipping insertion in model container [2019-11-27 10:08:15,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:15" (1/1) ... [2019-11-27 10:08:15,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:15,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:16,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:16,732 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:16,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:17,093 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:17,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17 WrapperNode [2019-11-27 10:08:17,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:17,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:17,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:17,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:17,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:17,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:17,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:17,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:17,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:17" (1/1) ... [2019-11-27 10:08:17,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:17,393 INFO L168 Benchmark]: Toolchain (without parser) took 1944.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 956.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:17,395 INFO L168 Benchmark]: CDTParser took 2.74 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 10:08:17,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1649.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 962.5 MB in the end (delta: 650.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:17,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.10 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:17,412 INFO L168 Benchmark]: Boogie Preprocessor took 122.30 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:17,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.74 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 1649.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 962.5 MB in the end (delta: 650.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.10 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 122.30 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 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...