./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-2.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/qrcu-2.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 360691cb87362f0b666a55c8184f04c53bf58b4c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/qrcu-2.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 360691cb87362f0b666a55c8184f04c53bf58b4c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:26:20,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:20,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:20,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:20,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:20,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:20,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:20,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:20,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:20,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:20,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:20,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:20,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:20,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:20,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:20,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:20,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:20,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:20,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:20,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:20,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:20,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:20,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:20,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:20,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:20,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:20,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:20,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:20,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:20,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:20,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:20,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:20,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:20,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:20,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:20,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:20,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:20,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:20,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:20,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:20,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:20,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:20,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:20,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:20,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:20,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:20,503 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:20,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:20,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:20,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:20,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:20,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:20,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:20,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:20,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:20,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:20,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:20,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:20,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:20,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:20,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:20,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:20,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:20,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:20,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:20,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:20,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:20,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:20,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:20,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:20,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:20,518 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 -> 360691cb87362f0b666a55c8184f04c53bf58b4c [2019-11-24 21:26:21,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:21,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:21,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:21,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:21,155 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:21,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2019-11-24 21:26:21,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7487eae/c1ae930f1236499186d8094b58a79177/FLAGdf60e2316 [2019-11-24 21:26:22,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:22,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2019-11-24 21:26:22,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7487eae/c1ae930f1236499186d8094b58a79177/FLAGdf60e2316 [2019-11-24 21:26:22,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7487eae/c1ae930f1236499186d8094b58a79177 [2019-11-24 21:26:22,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:22,691 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:22,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:22,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:22,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:22,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:22" (1/1) ... [2019-11-24 21:26:22,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:22, skipping insertion in model container [2019-11-24 21:26:22,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:22" (1/1) ... [2019-11-24 21:26:22,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:22,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:23,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:23,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:24,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:24,258 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:24,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24 WrapperNode [2019-11-24 21:26:24,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:24,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:24,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:24,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:24,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:24,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:24,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:24,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:24,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:24" (1/1) ... [2019-11-24 21:26:24,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:24,531 INFO L168 Benchmark]: Toolchain (without parser) took 1839.08 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 961.1 MB in the end (delta: 632.8 kB). Peak memory consumption was 698.3 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:24,547 INFO L168 Benchmark]: CDTParser took 0.86 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 21:26:24,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1570.46 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 961.1 MB in the end (delta: 632.8 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:24,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.46 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:24,557 INFO L168 Benchmark]: Boogie Preprocessor took 91.09 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:24,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 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 1570.46 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 961.1 MB in the end (delta: 632.8 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.46 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.09 ms. Allocated memory is still 1.0 GB. Free memory is still 961.1 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 0.1.24-32f2683 [2019-11-24 21:26:28,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:28,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:28,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:28,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:28,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:28,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:28,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:28,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:28,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:28,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:28,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:28,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:28,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:28,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:28,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:28,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:28,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:28,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:28,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:28,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:28,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:28,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:28,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:28,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:28,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:28,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:28,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:28,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:28,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:28,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:28,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:28,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:28,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:28,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:28,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:28,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:28,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:28,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:28,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:28,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:28,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:28,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:28,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:28,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:28,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:28,829 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:28,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:28,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:28,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:28,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:28,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:28,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:28,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:28,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:28,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:28,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:28,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:28,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:28,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:28,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:28,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:28,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:28,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:28,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:28,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:28,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:28,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:28,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:28,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:28,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:28,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:28,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:28,849 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 -> 360691cb87362f0b666a55c8184f04c53bf58b4c [2019-11-24 21:26:29,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:29,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:29,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:29,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:29,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:29,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2019-11-24 21:26:29,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa5f6c75/c2f9b270e20c4d4084f78be013443044/FLAGafb0bacfb [2019-11-24 21:26:30,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:30,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2019-11-24 21:26:30,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa5f6c75/c2f9b270e20c4d4084f78be013443044/FLAGafb0bacfb [2019-11-24 21:26:31,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa5f6c75/c2f9b270e20c4d4084f78be013443044 [2019-11-24 21:26:31,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:31,027 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:31,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:31,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:31,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:31,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:31" (1/1) ... [2019-11-24 21:26:31,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1934ed88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:31, skipping insertion in model container [2019-11-24 21:26:31,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:31" (1/1) ... [2019-11-24 21:26:31,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:31,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:32,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:32,221 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:32,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:32,596 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:32,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32 WrapperNode [2019-11-24 21:26:32,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:32,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:32,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:32,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:32,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:32,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:32,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:32,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:32,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:32" (1/1) ... [2019-11-24 21:26:32,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:32,875 INFO L168 Benchmark]: Toolchain (without parser) took 1845.08 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 955.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:32,879 INFO L168 Benchmark]: CDTParser took 1.27 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 21:26:32,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1569.46 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 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:32,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.24 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:32,894 INFO L168 Benchmark]: Boogie Preprocessor took 117.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:32,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 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 1569.46 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 961.0 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 148.24 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 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...