./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/qrcu-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46f179efc1f86f33188127c8c9e222a597376e16 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46f179efc1f86f33188127c8c9e222a597376e16 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:29:52,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:52,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:52,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:52,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:52,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:52,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:52,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:52,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:52,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:52,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:52,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:52,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:52,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:52,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:52,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:52,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:52,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:52,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:52,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:52,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:52,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:52,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:52,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:52,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:52,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:52,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:52,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:52,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:52,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:52,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:52,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:52,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:52,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:52,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:52,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:52,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:52,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:52,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:52,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:52,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:52,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:52,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:52,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:52,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:52,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:52,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:52,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:52,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:52,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:52,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:52,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:52,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:52,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:52,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:52,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:52,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:52,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:52,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:52,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:52,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:52,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:52,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:52,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:52,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:52,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:52,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:52,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:52,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:52,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:52,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-27 16:29:53,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:53,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:53,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:53,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:53,127 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:53,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 16:29:53,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499badd3b/c4ebfe99a73348d59e8454829933eac4/FLAGe271dfc3c [2019-11-27 16:29:54,525 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:54,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 16:29:54,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499badd3b/c4ebfe99a73348d59e8454829933eac4/FLAGe271dfc3c [2019-11-27 16:29:54,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499badd3b/c4ebfe99a73348d59e8454829933eac4 [2019-11-27 16:29:54,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:54,613 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:54,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:54,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:54,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:54,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:54" (1/1) ... [2019-11-27 16:29:54,636 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 27.11 04:29:54, skipping insertion in model container [2019-11-27 16:29:54,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:54" (1/1) ... [2019-11-27 16:29:54,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:54,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:55,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:55,761 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:55,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:56,087 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:56,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56 WrapperNode [2019-11-27 16:29:56,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:56,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:56,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:56,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:56,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:56,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:56,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:56,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:56,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:56" (1/1) ... [2019-11-27 16:29:56,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:56,321 INFO L168 Benchmark]: Toolchain (without parser) took 1706.42 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: 730.6 kB). Peak memory consumption was 796.2 kB. Max. memory is 12.5 GB. [2019-11-27 16:29:56,325 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 16:29:56,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1474.65 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: 730.6 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:56,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.74 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:56,334 INFO L168 Benchmark]: Boogie Preprocessor took 94.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:56,346 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 1474.65 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: 730.6 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.74 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 94.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:30:00,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:00,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:00,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:00,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:00,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:00,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:00,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:00,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:00,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:00,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:00,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:00,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:00,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:00,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:00,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:00,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:00,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:00,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:00,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:00,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:00,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:00,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:00,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:00,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:00,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:00,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:00,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:00,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:00,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:00,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:00,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:00,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:00,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:00,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:00,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:00,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:00,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:00,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:00,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:00,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:00,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:30:00,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:00,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:00,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:00,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:00,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:00,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:00,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:00,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:00,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:00,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:00,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:00,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:00,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:30:00,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:30:00,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:00,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:00,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:00,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:00,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:00,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:00,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:00,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:00,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:00,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:00,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:00,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:00,461 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:30:00,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:30:00,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:00,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:30:00,463 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-27 16:30:01,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:01,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:01,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:01,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:01,061 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:01,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 16:30:01,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ce461df/02c9ef2ce792402a8a871804392ece20/FLAGb0ed60e36 [2019-11-27 16:30:02,404 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:02,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-27 16:30:02,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ce461df/02c9ef2ce792402a8a871804392ece20/FLAGb0ed60e36 [2019-11-27 16:30:02,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ce461df/02c9ef2ce792402a8a871804392ece20 [2019-11-27 16:30:02,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:02,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:02,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:02,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:02,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:02,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:02" (1/1) ... [2019-11-27 16:30:02,529 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 27.11 04:30:02, skipping insertion in model container [2019-11-27 16:30:02,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:02" (1/1) ... [2019-11-27 16:30:02,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:02,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:03,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:03,698 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:03,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:04,053 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:04,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04 WrapperNode [2019-11-27 16:30:04,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:04,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:04,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:04,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:04,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:04,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:04,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:04,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:04,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:04" (1/1) ... [2019-11-27 16:30:04,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:04,338 INFO L168 Benchmark]: Toolchain (without parser) took 1831.91 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 950.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:04,339 INFO L168 Benchmark]: CDTParser took 4.77 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 16:30:04,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1546.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:04,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.23 ms. Allocated memory is still 1.0 GB. Free memory is still 956.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:04,355 INFO L168 Benchmark]: Boogie Preprocessor took 122.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 950.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:04,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.77 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 1546.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.23 ms. Allocated memory is still 1.0 GB. Free memory is still 956.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 122.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 950.9 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...