./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem05_label43.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/eca-rers2012/Problem05_label43.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 617271b010ced39394b998ac58af51e04347938e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:02:10,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:02:10,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:02:10,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:02:10,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:02:10,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:02:10,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:02:10,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:02:10,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:02:10,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:02:10,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:02:10,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:02:10,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:02:10,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:02:10,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:02:10,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:02:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:02:10,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:02:10,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:02:10,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:02:10,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:02:10,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:02:10,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:02:10,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:02:10,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:02:10,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:02:10,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:02:10,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:02:10,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:02:10,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:02:10,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:02:10,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:02:10,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:02:10,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:02:10,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:02:10,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:02:10,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:02:10,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:02:10,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:02:10,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:02:10,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:02:10,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:02:10,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:02:10,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:02:10,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:02:10,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:02:10,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:02:10,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:02:10,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:02:10,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:02:10,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:02:10,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:02:10,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:02:10,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:02:10,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:02:10,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:02:10,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:02:10,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:02:10,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:02:10,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:02:10,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:02:10,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:02:10,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:02:10,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:02:10,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:02:10,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:02:10,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:02:10,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:02:10,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:02:10,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:02:10,438 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 -> 617271b010ced39394b998ac58af51e04347938e [2019-11-16 21:02:11,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:02:11,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:02:11,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:02:11,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:02:11,059 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:02:11,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label43.c [2019-11-16 21:02:11,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aa99933/7f7ea7153b194af78ac8eedbcfdf9481/FLAG3346c10f4 [2019-11-16 21:02:13,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:02:13,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label43.c [2019-11-16 21:02:13,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aa99933/7f7ea7153b194af78ac8eedbcfdf9481/FLAG3346c10f4 [2019-11-16 21:02:13,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aa99933/7f7ea7153b194af78ac8eedbcfdf9481 [2019-11-16 21:02:13,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:02:13,663 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:02:13,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:13,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:02:13,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:02:13,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:13" (1/1) ... [2019-11-16 21:02:13,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e617a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:13, skipping insertion in model container [2019-11-16 21:02:13,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:13" (1/1) ... [2019-11-16 21:02:13,709 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:02:14,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:02:19,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:19,668 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:02:22,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:22,997 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:02:22,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22 WrapperNode [2019-11-16 21:02:23,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:23,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:23,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:02:23,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:02:23,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:23,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:23,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:23,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:02:23,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:02:23,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:02:23,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:22" (1/1) ... [2019-11-16 21:02:24,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:02:24,942 INFO L168 Benchmark]: Toolchain (without parser) took 11274.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 734.9 MB in the end (delta: 198.0 MB). Peak memory consumption was 198.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:24,945 INFO L168 Benchmark]: CDTParser took 2.85 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. [2019-11-16 21:02:24,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9333.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 874.1 MB in the end (delta: 58.8 MB). Peak memory consumption was 271.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:24,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 868.86 ms. Allocated memory is still 1.0 GB. Free memory was 874.1 MB in the beginning and 791.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:24,955 INFO L168 Benchmark]: Boogie Preprocessor took 1064.81 ms. Allocated memory is still 1.0 GB. Free memory was 791.9 MB in the beginning and 734.9 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:24,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 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 9333.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 874.1 MB in the end (delta: 58.8 MB). Peak memory consumption was 271.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 868.86 ms. Allocated memory is still 1.0 GB. Free memory was 874.1 MB in the beginning and 791.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1064.81 ms. Allocated memory is still 1.0 GB. Free memory was 791.9 MB in the beginning and 734.9 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...