./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-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 0.1.24-509859d [2019-11-27 16:29:50,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:50,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:50,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:50,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:50,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:50,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:50,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:50,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:50,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:50,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:50,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:50,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:50,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:50,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:50,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:50,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:50,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:50,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:50,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:50,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:50,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:50,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:50,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:50,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:50,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:50,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:50,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:50,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:50,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:50,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:50,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:50,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:50,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:50,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:50,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:50,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:50,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:50,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:50,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:50,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:50,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:50,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:50,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:50,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:50,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:50,504 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:50,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:50,505 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:50,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:50,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:50,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:50,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:50,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:50,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:50,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:50,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:50,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:50,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:50,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:50,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:50,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:50,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:50,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:50,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:50,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:50,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:50,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:50,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:50,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:50,521 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 [2019-11-27 16:29:51,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:51,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:51,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:51,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:51,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:51,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-27 16:29:51,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e887c88cb/2144752e7706465eb8a8548442dcbf19/FLAGc6fd50b2a [2019-11-27 16:29:52,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:52,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-27 16:29:52,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e887c88cb/2144752e7706465eb8a8548442dcbf19/FLAGc6fd50b2a [2019-11-27 16:29:52,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e887c88cb/2144752e7706465eb8a8548442dcbf19 [2019-11-27 16:29:52,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:52,606 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:52,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:52,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:52,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:52,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d67420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52, skipping insertion in model container [2019-11-27 16:29:52,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:52,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:53,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:53,688 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:53,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:53,986 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:53,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53 WrapperNode [2019-11-27 16:29:53,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:53,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:53,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:53,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:54,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:54,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:54,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:54,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:54,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:54,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:54,195 INFO L168 Benchmark]: Toolchain (without parser) took 1575.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:54,196 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:54,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1373.39 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 968.2 MB in the end (delta: -739.4 kB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:54,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.31 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:54,212 INFO L168 Benchmark]: Boogie Preprocessor took 77.38 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:54,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 1373.39 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 968.2 MB in the end (delta: -739.4 kB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.31 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.38 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:58,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:58,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:58,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:58,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:58,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:58,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:58,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:58,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:58,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:58,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:58,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:58,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:58,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:58,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:58,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:58,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:58,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:58,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:58,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:58,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:58,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:58,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:58,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:58,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:58,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:58,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:58,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:58,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:58,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:58,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:58,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:58,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:58,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:58,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:58,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:58,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:58,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:58,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:58,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:58,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:58,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:58,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:58,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:58,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:58,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:58,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:58,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:58,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:58,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:58,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:58,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:58,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:58,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:58,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:58,271 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:58,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:58,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:58,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:58,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:58,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:58,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:58,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:58,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:58,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:58,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:58,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:58,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:58,277 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:58,277 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:58,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:58,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:58,281 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 [2019-11-27 16:29:58,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:58,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:58,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:58,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:58,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:58,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-27 16:29:59,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd202de9/a06b2e4b5dd34840a74aa98937bc9353/FLAG3f5166a5e [2019-11-27 16:30:00,240 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:00,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2019-11-27 16:30:00,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd202de9/a06b2e4b5dd34840a74aa98937bc9353/FLAG3f5166a5e [2019-11-27 16:30:00,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd202de9/a06b2e4b5dd34840a74aa98937bc9353 [2019-11-27 16:30:00,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:00,328 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:00,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:00,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:00,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:00" (1/1) ... [2019-11-27 16:30:00,351 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 27.11 04:30:00, skipping insertion in model container [2019-11-27 16:30:00,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:00" (1/1) ... [2019-11-27 16:30:00,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:00,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:01,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:01,478 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:01,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:01,784 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:01,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01 WrapperNode [2019-11-27 16:30:01,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:01,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:01,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:01,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:01,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:01,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:01,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:01,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:01,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:01,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:02,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:01" (1/1) ... [2019-11-27 16:30:02,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:02,020 INFO L168 Benchmark]: Toolchain (without parser) took 1687.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 961.0 MB in the end (delta: -696.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:02,020 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:02,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1454.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:02,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:02,041 INFO L168 Benchmark]: Boogie Preprocessor took 95.81 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 16:30:02,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 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 1454.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.16 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 95.81 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...