./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/dekker.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 f6cb963e1fbb040f542eba054f6a77048b7f932a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dekker.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 f6cb963e1fbb040f542eba054f6a77048b7f932a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:16,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:16,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:16,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:16,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:16,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:16,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:16,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:16,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:16,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:16,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:16,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:16,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:16,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:16,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:16,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:16,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:16,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:16,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:16,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:16,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:16,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:16,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:16,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:16,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:16,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:16,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:16,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:16,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:16,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:16,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:16,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:16,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:16,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:16,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:16,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:16,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:16,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:16,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:16,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:16,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:16,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:16,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:16,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:16,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:16,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:16,907 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:16,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:16,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:16,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:16,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:16,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:16,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:16,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:16,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:16,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:16,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:16,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:16,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:16,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:16,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:16,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:16,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:16,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:16,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:16,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:16,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:16,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:16,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:16,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:16,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:16,926 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 -> f6cb963e1fbb040f542eba054f6a77048b7f932a [2019-11-24 21:26:17,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:17,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:17,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:17,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:17,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:17,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-24 21:26:17,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c947a00a5/176e43186aac464ea6de122b36cc0b8c/FLAG274b44a56 [2019-11-24 21:26:18,951 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:18,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-24 21:26:18,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c947a00a5/176e43186aac464ea6de122b36cc0b8c/FLAG274b44a56 [2019-11-24 21:26:19,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c947a00a5/176e43186aac464ea6de122b36cc0b8c [2019-11-24 21:26:19,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:19,041 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:19,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:19,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:19,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:19,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19, skipping insertion in model container [2019-11-24 21:26:19,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:19,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:20,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:20,246 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:20,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:20,566 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:20,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20 WrapperNode [2019-11-24 21:26:20,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:20,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:20,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:20,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:20,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:20,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:20,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:20,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:20,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:20" (1/1) ... [2019-11-24 21:26:20,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:20,846 INFO L168 Benchmark]: Toolchain (without parser) took 1803.30 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 956.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:20,853 INFO L168 Benchmark]: CDTParser took 3.90 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. [2019-11-24 21:26:20,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1527.16 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 962.5 MB in the end (delta: -831.8 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:20,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.36 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. [2019-11-24 21:26:20,863 INFO L168 Benchmark]: Boogie Preprocessor took 115.44 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:20,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.90 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 1527.16 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 962.5 MB in the end (delta: -831.8 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 150.36 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 115.44 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.8 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 0.1.24-32f2683 [2019-11-24 21:26:24,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:24,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:24,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:24,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:24,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:24,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:24,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:24,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:24,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:24,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:24,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:24,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:24,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:24,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:24,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:24,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:24,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:24,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:24,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:24,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:24,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:24,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:24,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:24,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:24,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:24,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:24,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:24,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:24,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:24,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:24,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:24,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:24,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:24,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:24,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:24,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:24,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:24,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:24,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:24,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:24,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:25,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:25,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:25,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:25,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:25,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:25,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:25,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:25,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:25,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:25,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:25,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:25,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:25,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:25,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:25,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:25,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:25,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:25,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:25,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:25,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:25,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:25,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:25,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:25,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:25,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:25,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:25,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:25,062 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:25,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:25,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:25,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:25,064 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 -> f6cb963e1fbb040f542eba054f6a77048b7f932a [2019-11-24 21:26:25,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:25,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:25,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:25,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:25,711 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:25,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-24 21:26:25,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e045952/c7d96bbe7e6f41f9994fed546804a0f2/FLAGe80038de6 [2019-11-24 21:26:27,181 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:27,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-24 21:26:27,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e045952/c7d96bbe7e6f41f9994fed546804a0f2/FLAGe80038de6 [2019-11-24 21:26:27,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e045952/c7d96bbe7e6f41f9994fed546804a0f2 [2019-11-24 21:26:27,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:27,275 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:27,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:27,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:27,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:27,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:27" (1/1) ... [2019-11-24 21:26:27,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cd1333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:27, skipping insertion in model container [2019-11-24 21:26:27,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:27" (1/1) ... [2019-11-24 21:26:27,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:27,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:28,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:28,563 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:28,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:28,905 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:28,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28 WrapperNode [2019-11-24 21:26:28,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:28,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:28,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:28,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:28,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:28,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:29,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:29,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:29,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:29,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:28" (1/1) ... [2019-11-24 21:26:29,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:29,157 INFO L168 Benchmark]: Toolchain (without parser) took 1876.92 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 966.8 MB in the end (delta: 592.0 kB). Peak memory consumption was 657.5 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:29,171 INFO L168 Benchmark]: CDTParser took 2.93 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. [2019-11-24 21:26:29,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1631.44 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:29,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:29,180 INFO L168 Benchmark]: Boogie Preprocessor took 87.65 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:29,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 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 1631.44 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 972.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.65 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...