./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 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.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 0.1.24-32f2683 [2019-11-24 21:20:33,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:33,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:33,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:33,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:33,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:33,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:33,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:33,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:33,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:33,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:33,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:33,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:33,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:33,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:33,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:33,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:33,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:33,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:33,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:33,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:33,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:33,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:33,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:33,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:33,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:33,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:33,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:33,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:33,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:33,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:33,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:33,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:33,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:33,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:33,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:33,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:33,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:33,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:33,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:33,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:33,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:20:33,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:33,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:33,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:33,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:33,666 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:33,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:33,667 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:33,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:20:33,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:33,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:33,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:33,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:33,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:33,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:33,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:33,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:33,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:33,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:33,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:33,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:33,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:33,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:33,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:33,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:33,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:33,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:33,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:20:33,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:20:33,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:33,687 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 [2019-11-24 21:20:34,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:34,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:34,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:34,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:34,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:34,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-24 21:20:34,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6506c149a/3bd942b7031c4eae9f489c5546f233a1/FLAGeb2001888 [2019-11-24 21:20:36,249 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:36,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-24 21:20:36,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6506c149a/3bd942b7031c4eae9f489c5546f233a1/FLAGeb2001888 [2019-11-24 21:20:36,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6506c149a/3bd942b7031c4eae9f489c5546f233a1 [2019-11-24 21:20:36,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:36,359 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:36,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:36,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:36,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:36,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:36" (1/1) ... [2019-11-24 21:20:36,387 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 24.11 09:20:36, skipping insertion in model container [2019-11-24 21:20:36,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:36" (1/1) ... [2019-11-24 21:20:36,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:36,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:38,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:38,144 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:38,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:38,667 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:38,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38 WrapperNode [2019-11-24 21:20:38,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:38,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:38,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:38,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:38,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:38,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:39,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:39,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:39,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:39,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:39,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:39,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:39,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:39,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:40,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:40,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:40,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:38" (1/1) ... [2019-11-24 21:20:41,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:41,144 INFO L168 Benchmark]: Toolchain (without parser) took 4780.11 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 775.5 MB in the end (delta: 192.0 MB). Peak memory consumption was 192.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:41,145 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:20:41,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2304.93 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 932.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:41,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 1020.74 ms. Allocated memory is still 1.0 GB. Free memory was 932.0 MB in the beginning and 846.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:41,156 INFO L168 Benchmark]: Boogie Preprocessor took 1442.22 ms. Allocated memory is still 1.0 GB. Free memory was 846.0 MB in the beginning and 775.5 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:41,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 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 2304.93 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 932.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1020.74 ms. Allocated memory is still 1.0 GB. Free memory was 932.0 MB in the beginning and 846.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1442.22 ms. Allocated memory is still 1.0 GB. Free memory was 846.0 MB in the beginning and 775.5 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 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 21:20:45,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:45,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:45,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:45,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:45,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:45,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:45,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:45,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:45,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:45,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:45,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:45,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:45,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:45,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:45,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:45,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:45,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:45,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:45,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:45,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:45,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:45,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:45,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:45,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:45,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:45,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:45,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:45,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:45,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:45,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:45,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:45,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:45,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:45,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:45,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:45,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:45,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:45,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:45,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:45,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:45,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:20:45,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:45,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:45,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:45,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:45,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:45,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:45,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:45,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:45,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:45,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:45,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:45,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:45,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:45,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:20:45,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:20:45,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:45,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:45,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:45,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:45,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:45,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:45,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:45,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:45,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:45,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:45,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:45,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:45,478 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:20:45,478 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:20:45,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:45,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:20:45,480 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 [2019-11-24 21:20:46,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:46,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:46,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:46,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:46,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:46,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-24 21:20:46,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430356cca/24e4b70fcc3644c78911217fb9c94f9a/FLAGd03bc19ce [2019-11-24 21:20:47,825 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:47,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-24 21:20:47,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430356cca/24e4b70fcc3644c78911217fb9c94f9a/FLAGd03bc19ce [2019-11-24 21:20:47,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430356cca/24e4b70fcc3644c78911217fb9c94f9a [2019-11-24 21:20:47,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:47,926 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:47,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:47,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:47,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:47,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:47" (1/1) ... [2019-11-24 21:20:47,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286e58b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:47, skipping insertion in model container [2019-11-24 21:20:47,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:47" (1/1) ... [2019-11-24 21:20:47,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:48,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:49,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:50,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:50,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:50,817 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:50,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50 WrapperNode [2019-11-24 21:20:50,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:50,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:50,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:50,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:50,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:51,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:51,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:51,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:51,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:51,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:51,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:51,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:52,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:52,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:52,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:52,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:52,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:50" (1/1) ... [2019-11-24 21:20:53,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:53,113 INFO L168 Benchmark]: Toolchain (without parser) took 5181.74 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 761.5 MB in the end (delta: 204.4 MB). Peak memory consumption was 204.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:53,116 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:20:53,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2878.67 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 916.2 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:53,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 1102.35 ms. Allocated memory is still 1.0 GB. Free memory was 916.2 MB in the beginning and 830.3 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:53,126 INFO L168 Benchmark]: Boogie Preprocessor took 1178.38 ms. Allocated memory is still 1.0 GB. Free memory was 830.3 MB in the beginning and 761.5 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:53,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 2878.67 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 916.2 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1102.35 ms. Allocated memory is still 1.0 GB. Free memory was 916.2 MB in the beginning and 830.3 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1178.38 ms. Allocated memory is still 1.0 GB. Free memory was 830.3 MB in the beginning and 761.5 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...