./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-da95e15 [2019-11-27 10:02:18,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:18,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:18,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:18,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:18,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:18,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:18,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:18,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:18,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:18,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:18,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:18,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:18,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:18,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:18,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:18,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:18,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:18,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:18,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:18,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:18,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:18,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:18,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:18,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:18,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:18,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:18,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:18,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:18,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:18,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:18,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:18,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:18,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:18,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:18,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:18,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:18,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:18,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:18,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:18,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:18,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:02:18,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:18,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:18,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:18,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:18,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:18,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:18,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:18,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:02:18,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:18,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:18,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:18,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:18,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:18,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:18,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:18,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:18,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:18,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:18,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:18,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:18,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:18,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:18,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:18,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:18,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:18,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:02:18,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:02:18,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:18,661 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 [2019-11-27 10:02:19,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:19,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:19,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:19,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:19,279 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:19,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-27 10:02:19,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f4a0f5b/0ec3ce3b5dfa4cd29c2c814cc0a2fbd5/FLAG269c0be5e [2019-11-27 10:02:20,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:20,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-27 10:02:20,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f4a0f5b/0ec3ce3b5dfa4cd29c2c814cc0a2fbd5/FLAG269c0be5e [2019-11-27 10:02:20,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f4a0f5b/0ec3ce3b5dfa4cd29c2c814cc0a2fbd5 [2019-11-27 10:02:21,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:21,009 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:21,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:21,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:21,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:21,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:20" (1/1) ... [2019-11-27 10:02:21,036 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 27.11 10:02:21, skipping insertion in model container [2019-11-27 10:02:21,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:20" (1/1) ... [2019-11-27 10:02:21,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:21,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:22,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:22,819 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:23,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:23,466 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:23,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23 WrapperNode [2019-11-27 10:02:23,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:23,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:23,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:23,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:23,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:23,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:24,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:24,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:24,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:24,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:24,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:24,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:25,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:25,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:25,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:26,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:26,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:23" (1/1) ... [2019-11-27 10:02:26,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:26,410 INFO L168 Benchmark]: Toolchain (without parser) took 5396.06 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 732.1 MB in the end (delta: 223.8 MB). Peak memory consumption was 223.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:26,412 INFO L168 Benchmark]: CDTParser took 3.58 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:26,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2454.23 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 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:26,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 1353.02 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 812.9 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:26,423 INFO L168 Benchmark]: Boogie Preprocessor took 1574.93 ms. Allocated memory is still 1.0 GB. Free memory was 812.9 MB in the beginning and 732.1 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:26,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58 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 2454.23 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 927.5 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 1353.02 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 812.9 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1574.93 ms. Allocated memory is still 1.0 GB. Free memory was 812.9 MB in the beginning and 732.1 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:02:31,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:31,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:31,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:31,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:31,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:31,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:31,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:31,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:31,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:31,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:31,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:31,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:31,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:31,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:31,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:31,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:31,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:31,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:31,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:31,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:31,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:31,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:31,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:31,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:31,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:31,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:31,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:31,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:31,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:31,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:31,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:31,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:31,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:31,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:31,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:31,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:31,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:31,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:31,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:31,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:31,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:02:31,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:31,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:31,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:31,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:31,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:31,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:31,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:31,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:31,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:31,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:31,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:31,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:31,451 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:02:31,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:02:31,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:31,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:31,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:31,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:31,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:31,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:31,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:31,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:31,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:31,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:31,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:31,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:31,460 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:02:31,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:02:31,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:31,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:02:31,465 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 [2019-11-27 10:02:32,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:32,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:32,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:32,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:32,178 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:32,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-27 10:02:32,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839807699/38a14e4be09f48aeb76ff7796dc8fa16/FLAG00d7a0eb5 [2019-11-27 10:02:33,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:33,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-27 10:02:33,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839807699/38a14e4be09f48aeb76ff7796dc8fa16/FLAG00d7a0eb5 [2019-11-27 10:02:33,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839807699/38a14e4be09f48aeb76ff7796dc8fa16 [2019-11-27 10:02:33,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:33,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:33,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:33,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:34,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:34,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:33" (1/1) ... [2019-11-27 10:02:34,016 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 27.11 10:02:34, skipping insertion in model container [2019-11-27 10:02:34,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:33" (1/1) ... [2019-11-27 10:02:34,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:34,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:36,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:36,334 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:36,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:37,086 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:37,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37 WrapperNode [2019-11-27 10:02:37,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:37,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:37,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:37,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:37,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:37,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:38,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:38,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:38,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:38,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:38,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:38,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:38,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:38,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:39,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:39,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:40,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:37" (1/1) ... [2019-11-27 10:02:40,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:40,838 INFO L168 Benchmark]: Toolchain (without parser) took 6844.42 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 910.5 MB in the end (delta: 51.1 MB). Peak memory consumption was 322.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:40,841 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:02:40,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3095.60 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 904.5 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:40,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 1540.49 ms. Allocated memory is still 1.0 GB. Free memory was 904.5 MB in the beginning and 801.3 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:40,853 INFO L168 Benchmark]: Boogie Preprocessor took 2198.62 ms. Allocated memory is still 1.0 GB. Free memory was 801.3 MB in the beginning and 910.5 MB in the end (delta: -109.2 MB). Peak memory consumption was 161.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:40,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 3095.60 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 904.5 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1540.49 ms. Allocated memory is still 1.0 GB. Free memory was 904.5 MB in the beginning and 801.3 MB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2198.62 ms. Allocated memory is still 1.0 GB. Free memory was 801.3 MB in the beginning and 910.5 MB in the end (delta: -109.2 MB). Peak memory consumption was 161.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...