./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.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.1.M1-2.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 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.1.M1-2.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 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:02:14,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:14,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:14,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:14,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:14,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:14,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:14,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:14,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:14,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:14,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:14,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:14,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:14,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:14,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:14,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:14,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:14,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:14,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:14,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:14,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:14,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:14,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:14,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:14,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:14,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:14,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:14,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:14,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:14,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:14,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:14,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:14,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:14,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:14,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:14,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:14,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:14,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:14,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:14,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:14,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:14,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:02:14,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:14,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:14,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:14,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:14,548 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:14,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:14,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:14,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:02:14,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:14,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:14,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:14,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:14,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:14,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:14,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:14,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:14,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:14,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:14,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:14,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:14,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:14,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:14,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:14,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:14,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:14,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:02:14,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:02:14,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:14,564 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 -> 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 [2019-11-27 10:02:15,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:15,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:15,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:15,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:15,269 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:15,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-27 10:02:15,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf07133/596869920a224e4485ae517703041415/FLAG26235cd9d [2019-11-27 10:02:16,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:16,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-27 10:02:16,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf07133/596869920a224e4485ae517703041415/FLAG26235cd9d [2019-11-27 10:02:16,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf07133/596869920a224e4485ae517703041415 [2019-11-27 10:02:17,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:17,014 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:17,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:17,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:17,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:17,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:17" (1/1) ... [2019-11-27 10:02:17,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:17, skipping insertion in model container [2019-11-27 10:02:17,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:17" (1/1) ... [2019-11-27 10:02:17,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:17,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:18,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:18,784 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:19,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:19,358 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:19,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19 WrapperNode [2019-11-27 10:02:19,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:19,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:19,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:19,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:19,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:19,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:20,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:20,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:20,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:20,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:20,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:20,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:20,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:20,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:21,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:21,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:21,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:19" (1/1) ... [2019-11-27 10:02:21,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:21,880 INFO L168 Benchmark]: Toolchain (without parser) took 4860.35 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 777.1 MB in the end (delta: 190.3 MB). Peak memory consumption was 190.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:21,884 INFO L168 Benchmark]: CDTParser took 3.53 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 10:02:21,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2342.57 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 939.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:21,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 1133.19 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:21,895 INFO L168 Benchmark]: Boogie Preprocessor took 1371.18 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 777.1 MB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:21,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.53 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 2342.57 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 939.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1133.19 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1371.18 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 777.1 MB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 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 10:02:26,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:02:26,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:02:26,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:02:26,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:02:26,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:02:26,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:02:26,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:02:26,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:02:26,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:02:26,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:02:26,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:02:26,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:02:26,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:02:26,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:02:26,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:02:26,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:02:26,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:02:26,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:02:26,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:02:26,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:02:26,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:02:26,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:02:26,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:02:26,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:02:26,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:02:26,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:02:26,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:02:26,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:02:26,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:02:26,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:02:26,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:02:26,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:02:26,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:02:26,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:02:26,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:02:26,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:02:26,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:02:26,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:02:26,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:02:26,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:02:26,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:02:26,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:02:26,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:02:26,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:02:26,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:02:26,697 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:02:26,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:02:26,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:02:26,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:02:26,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:02:26,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:02:26,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:02:26,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:02:26,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:02:26,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:02:26,707 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:02:26,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:02:26,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:02:26,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:02:26,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:02:26,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:02:26,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:02:26,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:02:26,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:02:26,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:02:26,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:02:26,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:02:26,716 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:02:26,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:02:26,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:02:26,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:02:26,723 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 -> 2b7d4fe8b06c4e54769f9de72e15f9b21f2d4231 [2019-11-27 10:02:27,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:02:27,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:02:27,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:02:27,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:02:27,516 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:02:27,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-27 10:02:27,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e7172b0/c7bd994a2e4f41fda7a1c141fc5ace1f/FLAG9da176405 [2019-11-27 10:02:29,284 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:02:29,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-27 10:02:29,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e7172b0/c7bd994a2e4f41fda7a1c141fc5ace1f/FLAG9da176405 [2019-11-27 10:02:29,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e7172b0/c7bd994a2e4f41fda7a1c141fc5ace1f [2019-11-27 10:02:29,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:02:29,386 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:02:29,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:29,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:02:29,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:02:29,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:29" (1/1) ... [2019-11-27 10:02:29,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:29, skipping insertion in model container [2019-11-27 10:02:29,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:02:29" (1/1) ... [2019-11-27 10:02:29,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:02:29,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:02:31,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:31,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:02:32,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:02:32,281 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:02:32,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32 WrapperNode [2019-11-27 10:02:32,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:02:32,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:32,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:02:32,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:02:32,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:32,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:33,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:02:33,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:02:33,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:02:33,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:02:33,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:33,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:33,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:33,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:34,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:34,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:34,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:02:32" (1/1) ... [2019-11-27 10:02:34,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:02:34,977 INFO L168 Benchmark]: Toolchain (without parser) took 5584.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 761.4 MB in the end (delta: 204.6 MB). Peak memory consumption was 204.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:34,978 INFO L168 Benchmark]: CDTParser took 2.62 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 10:02:34,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2881.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 916.1 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:34,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 1082.60 ms. Allocated memory is still 1.0 GB. Free memory was 916.1 MB in the beginning and 835.9 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:34,989 INFO L168 Benchmark]: Boogie Preprocessor took 1597.67 ms. Allocated memory is still 1.0 GB. Free memory was 835.9 MB in the beginning and 761.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:02:35,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.62 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 2881.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 916.1 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1082.60 ms. Allocated memory is still 1.0 GB. Free memory was 916.1 MB in the beginning and 835.9 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1597.67 ms. Allocated memory is still 1.0 GB. Free memory was 835.9 MB in the beginning and 761.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...