./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label00.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/Problem12_label00.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 60cb62ba31d0ca641855757b4c6cafa78e860a59 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:09:56,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:09:56,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:09:56,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:09:56,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:09:56,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:09:56,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:09:56,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:09:56,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:09:56,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:09:56,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:09:56,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:09:56,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:09:56,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:09:56,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:09:56,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:09:56,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:09:56,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:09:56,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:09:56,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:09:56,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:09:56,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:09:56,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:09:56,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:09:56,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:09:56,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:09:56,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:09:56,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:09:56,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:09:56,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:09:56,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:09:56,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:09:56,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:09:56,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:09:56,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:09:56,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:09:56,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:09:56,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:09:56,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:09:56,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:09:56,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:09:56,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:09:56,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:09:56,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:09:56,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:09:56,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:09:56,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:09:56,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:09:56,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:09:56,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:09:56,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:09:56,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:09:56,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:09:56,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:09:56,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:09:56,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:09:56,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:09:56,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:09:56,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:09:56,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:09:56,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:09:56,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:09:56,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:09:56,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:09:56,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:09:56,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:09:56,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:09:56,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:09:56,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:09:56,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:09:56,565 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 -> 60cb62ba31d0ca641855757b4c6cafa78e860a59 [2019-11-16 21:09:57,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:09:57,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:09:57,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:09:57,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:09:57,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:09:57,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label00.c [2019-11-16 21:09:57,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1055a391f/bc2b5b06250547d692b1aba99ccd7f7c/FLAG3a12a028a [2019-11-16 21:09:59,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:09:59,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label00.c [2019-11-16 21:09:59,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1055a391f/bc2b5b06250547d692b1aba99ccd7f7c/FLAG3a12a028a [2019-11-16 21:09:59,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1055a391f/bc2b5b06250547d692b1aba99ccd7f7c [2019-11-16 21:09:59,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:09:59,356 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:09:59,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:09:59,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:09:59,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:09:59,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:09:59" (1/1) ... [2019-11-16 21:09:59,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4a0cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:59, skipping insertion in model container [2019-11-16 21:09:59,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:09:59" (1/1) ... [2019-11-16 21:09:59,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:09:59,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:10:02,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:10:02,470 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:10:03,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:10:03,830 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:10:03,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03 WrapperNode [2019-11-16 21:10:03,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:10:03,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:10:03,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:10:03,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:10:03,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:03,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:04,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:10:04,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:10:04,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:10:04,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:10:04,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:04,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:04,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:04,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:05,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:05,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:05,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:03" (1/1) ... [2019-11-16 21:10:06,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:10:06,102 INFO L168 Benchmark]: Toolchain (without parser) took 6745.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 908.9 MB in the end (delta: 41.4 MB). Peak memory consumption was 318.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:06,103 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:10:06,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4476.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:06,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 827.97 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:06,113 INFO L168 Benchmark]: Boogie Preprocessor took 1430.58 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 908.9 MB in the end (delta: -156.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:06,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 4476.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 827.97 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1430.58 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 908.9 MB in the end (delta: -156.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...