./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c --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/seq-mthreaded/rekcba_nxt.3.M1.c -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 b21ab3d56ec6da242a7a698a73b051159e9f196e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/seq-mthreaded/rekcba_nxt.3.M1.c -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 b21ab3d56ec6da242a7a698a73b051159e9f196e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:20:35,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:35,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:35,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:35,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:35,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:35,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:35,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:35,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:35,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:35,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:35,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:35,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:35,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:35,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:35,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:35,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:35,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:35,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:35,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:35,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:35,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:35,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:35,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:35,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:35,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:35,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:35,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:35,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:35,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:35,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:35,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:35,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:35,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:35,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:35,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:35,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:35,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:35,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:35,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:35,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:35,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:20:35,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:35,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:35,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:35,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:35,852 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:35,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:35,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:35,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:20:35,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:35,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:35,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:35,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:35,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:35,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:35,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:35,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:35,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:35,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:35,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:35,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:35,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:35,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:35,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:35,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:35,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:35,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:35,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:20:35,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:20:35,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:35,875 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 -> b21ab3d56ec6da242a7a698a73b051159e9f196e [2019-11-24 21:20:36,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:36,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:36,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:36,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:36,569 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:36,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-24 21:20:36,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ea27fe/0ae08d39f7cf4f7eaa364d202bf6f8e2/FLAG167a3e16d [2019-11-24 21:20:38,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:38,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-24 21:20:38,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ea27fe/0ae08d39f7cf4f7eaa364d202bf6f8e2/FLAG167a3e16d [2019-11-24 21:20:38,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ea27fe/0ae08d39f7cf4f7eaa364d202bf6f8e2 [2019-11-24 21:20:38,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:38,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:38,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:38,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:38,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:38,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:38,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38, skipping insertion in model container [2019-11-24 21:20:38,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:38,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:38,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:40,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:40,347 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:40,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:40,916 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:40,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40 WrapperNode [2019-11-24 21:20:40,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:40,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:40,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:40,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:40,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:41,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:42,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:42,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:42,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:42,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:42,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:42,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:42,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:42,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:43,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:43,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:43,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:40" (1/1) ... [2019-11-24 21:20:43,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:43,840 INFO L168 Benchmark]: Toolchain (without parser) took 5469.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 732.6 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:43,844 INFO L168 Benchmark]: CDTParser took 0.88 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 21:20:43,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2532.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:43,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 1448.12 ms. Allocated memory is still 1.0 GB. Free memory was 927.4 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:43,855 INFO L168 Benchmark]: Boogie Preprocessor took 1464.64 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.6 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:43,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 2532.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1448.12 ms. Allocated memory is still 1.0 GB. Free memory was 927.4 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1464.64 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.6 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:20:48,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:48,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:48,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:48,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:48,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:48,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:48,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:48,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:48,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:48,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:48,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:48,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:48,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:48,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:48,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:48,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:48,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:48,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:48,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:48,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:48,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:48,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:48,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:48,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:48,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:48,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:48,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:48,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:48,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:48,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:48,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:48,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:48,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:48,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:48,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:48,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:48,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:48,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:48,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:48,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:48,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:20:48,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:48,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:48,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:48,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:48,598 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:48,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:48,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:48,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:48,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:48,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:48,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:48,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:48,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:48,606 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:20:48,606 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:20:48,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:48,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:48,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:48,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:48,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:48,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:48,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:48,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:48,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:48,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:48,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:48,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:48,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:20:48,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:20:48,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:48,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:20:48,621 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 -> b21ab3d56ec6da242a7a698a73b051159e9f196e [2019-11-24 21:20:49,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:49,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:49,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:49,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:49,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:49,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-24 21:20:49,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246974592/60e08b03e6564e0c8969985d5b44c1d1/FLAG3a7452411 [2019-11-24 21:20:51,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:51,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-24 21:20:51,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246974592/60e08b03e6564e0c8969985d5b44c1d1/FLAG3a7452411 [2019-11-24 21:20:51,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246974592/60e08b03e6564e0c8969985d5b44c1d1 [2019-11-24 21:20:51,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:51,162 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:51,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:51,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:51,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:51,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:51,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112358cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51, skipping insertion in model container [2019-11-24 21:20:51,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:51,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:51,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:53,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:53,321 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:53,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:54,084 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54 WrapperNode [2019-11-24 21:20:54,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:54,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:54,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:54,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:54,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:54,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:55,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:55,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:55,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:55,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:55,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:55,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:55,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:55,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:56,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:56,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:56,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:54" (1/1) ... [2019-11-24 21:20:57,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:57,665 INFO L168 Benchmark]: Toolchain (without parser) took 6498.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 907.0 MB in the end (delta: 49.0 MB). Peak memory consumption was 317.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:57,667 INFO L168 Benchmark]: CDTParser took 0.36 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 21:20:57,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2917.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:57,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 1379.40 ms. Allocated memory is still 1.0 GB. Free memory was 910.4 MB in the beginning and 801.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:57,677 INFO L168 Benchmark]: Boogie Preprocessor took 2191.01 ms. Allocated memory is still 1.0 GB. Free memory was 801.6 MB in the beginning and 907.0 MB in the end (delta: -105.4 MB). Peak memory consumption was 162.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:57,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 2917.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1379.40 ms. Allocated memory is still 1.0 GB. Free memory was 910.4 MB in the beginning and 801.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2191.01 ms. Allocated memory is still 1.0 GB. Free memory was 801.6 MB in the beginning and 907.0 MB in the end (delta: -105.4 MB). Peak memory consumption was 162.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...