./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski.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/szymanski.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 e53ed3e60647ae986bdffbbdb754e5112804a196 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/szymanski.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 e53ed3e60647ae986bdffbbdb754e5112804a196 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:08:08,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:08,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:08,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:08,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:08,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:08,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:08,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:08,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:08,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:08,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:08,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:08,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:08,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:08,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:08,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:08,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:08,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:08,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:08,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:08,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:08,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:08,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:08,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:08,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:08,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:08,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:08,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:08,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:08,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:08,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:08,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:08,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:08,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:08,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:08,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:08,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:08,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:08,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:08,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:08,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:08,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:08,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:08,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:08,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:08,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:08,930 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:08,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:08,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:08,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:08,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:08,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:08,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:08,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:08,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:08,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:08,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:08,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:08,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:08,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:08,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:08,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:08,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:08,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:08,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:08,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:08,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:08,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:08,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:08,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:08,946 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 -> e53ed3e60647ae986bdffbbdb754e5112804a196 [2019-11-27 10:08:09,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:09,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:09,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:09,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:09,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:09,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-27 10:08:09,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa44e216/1835dcb6ce624cd2931a4ed3bac281ea/FLAGe97e7c324 [2019-11-27 10:08:10,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:10,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-27 10:08:10,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa44e216/1835dcb6ce624cd2931a4ed3bac281ea/FLAGe97e7c324 [2019-11-27 10:08:10,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa44e216/1835dcb6ce624cd2931a4ed3bac281ea [2019-11-27 10:08:10,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:10,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:10,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:10,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:10,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:10,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:10" (1/1) ... [2019-11-27 10:08:10,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:10, skipping insertion in model container [2019-11-27 10:08:10,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:10" (1/1) ... [2019-11-27 10:08:11,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:11,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:12,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:12,082 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:12,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:12,370 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:12,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12 WrapperNode [2019-11-27 10:08:12,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:12,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:12,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:12,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:12,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:12,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:12,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:12,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:12,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:12,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:12,610 INFO L168 Benchmark]: Toolchain (without parser) took 1630.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 688.7 kB). Peak memory consumption was 754.3 kB. Max. memory is 12.5 GB. [2019-11-27 10:08:12,615 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:12,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1400.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 688.7 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:12,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.13 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 10:08:12,624 INFO L168 Benchmark]: Boogie Preprocessor took 105.73 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 10:08:12,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1400.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 688.7 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.13 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. * Boogie Preprocessor took 105.73 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:16,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:16,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:16,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:16,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:16,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:16,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:16,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:16,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:16,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:16,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:16,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:16,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:16,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:16,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:16,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:16,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:16,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:16,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:16,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:16,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:16,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:16,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:16,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:16,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:16,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:16,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:16,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:16,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:16,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:16,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:16,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:16,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:16,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:16,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:16,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:16,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:16,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:16,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:16,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:16,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:16,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:16,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:16,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:16,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:16,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:16,686 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:16,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:16,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:16,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:16,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:16,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:16,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:16,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:16,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:16,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:16,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:16,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:16,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:16,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:16,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:16,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:16,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:16,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:16,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:16,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:16,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:16,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:16,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:16,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:16,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:16,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:16,704 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 -> e53ed3e60647ae986bdffbbdb754e5112804a196 [2019-11-27 10:08:17,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:17,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:17,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:17,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:17,233 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:17,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-27 10:08:17,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6812860b/4f397732064b4436ace66407cba96747/FLAG234b2cec6 [2019-11-27 10:08:18,567 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:18,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-27 10:08:18,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6812860b/4f397732064b4436ace66407cba96747/FLAG234b2cec6 [2019-11-27 10:08:18,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6812860b/4f397732064b4436ace66407cba96747 [2019-11-27 10:08:18,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:18,698 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:18,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:18,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:18,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:18,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:18" (1/1) ... [2019-11-27 10:08:18,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:18, skipping insertion in model container [2019-11-27 10:08:18,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:18" (1/1) ... [2019-11-27 10:08:18,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:18,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:19,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:19,791 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:19,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:20,093 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:20,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20 WrapperNode [2019-11-27 10:08:20,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:20,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:20,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:20,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:20,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:20,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:20,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:20,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:20,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:20,347 INFO L168 Benchmark]: Toolchain (without parser) took 1636.37 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: 691.2 kB). Peak memory consumption was 756.7 kB. Max. memory is 12.5 GB. [2019-11-27 10:08:20,352 INFO L168 Benchmark]: CDTParser took 0.37 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 10:08:20,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:20,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.01 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 10:08:20,361 INFO L168 Benchmark]: Boogie Preprocessor took 112.80 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:20,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1393.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.01 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. * Boogie Preprocessor took 112.80 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 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...