./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label30.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/Problem06_label30.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 9900d13cc459b6d08de09f4270f837516a8a14dc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:02:40,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:02:40,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:02:40,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:02:40,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:02:40,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:02:40,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:02:40,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:02:40,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:02:40,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:02:40,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:02:40,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:02:40,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:02:40,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:02:40,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:02:40,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:02:40,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:02:40,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:02:40,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:02:40,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:02:40,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:02:40,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:02:40,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:02:40,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:02:40,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:02:40,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:02:40,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:02:40,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:02:40,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:02:40,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:02:40,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:02:40,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:02:40,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:02:40,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:02:40,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:02:40,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:02:40,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:02:40,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:02:40,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:02:40,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:02:40,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:02:40,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:02:40,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:02:40,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:02:40,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:02:40,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:02:40,919 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:02:40,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:02:40,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:02:40,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:02:40,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:02:40,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:02:40,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:02:40,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:02:40,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:02:40,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:02:40,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:02:40,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:02:40,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:02:40,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:02:40,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:02:40,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:02:40,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:02:40,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:02:40,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:02:40,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:02:40,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:02:40,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:02:40,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:02:40,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:02:40,935 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 -> 9900d13cc459b6d08de09f4270f837516a8a14dc [2019-11-16 21:02:41,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:02:41,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:02:41,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:02:41,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:02:41,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:02:41,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label30.c [2019-11-16 21:02:41,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1accbf/a645147bf16c40388e298348ddd5406d/FLAGc9e23837a [2019-11-16 21:02:44,204 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:02:44,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label30.c [2019-11-16 21:02:44,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1accbf/a645147bf16c40388e298348ddd5406d/FLAGc9e23837a [2019-11-16 21:02:44,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1accbf/a645147bf16c40388e298348ddd5406d [2019-11-16 21:02:44,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:02:44,420 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:02:44,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:44,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:02:44,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:02:44,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:44,454 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 09:02:44, skipping insertion in model container [2019-11-16 21:02:44,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:02:44" (1/1) ... [2019-11-16 21:02:44,479 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:02:45,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:02:50,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:50,170 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:02:53,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:02:53,792 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:02:53,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53 WrapperNode [2019-11-16 21:02:53,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:02:53,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:53,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:02:53,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:02:53,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:53,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:54,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:02:54,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:02:54,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:02:54,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:02:54,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:54,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:54,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:54,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:54,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:55,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:55,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:02:53" (1/1) ... [2019-11-16 21:02:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:02:55,262 INFO L168 Benchmark]: Toolchain (without parser) took 10835.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 765.2 MB in the end (delta: 167.8 MB). Peak memory consumption was 167.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:55,263 INFO L168 Benchmark]: CDTParser took 0.56 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 21:02:55,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9367.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 892.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 270.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:55,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 689.83 ms. Allocated memory is still 1.0 GB. Free memory was 892.6 MB in the beginning and 816.8 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:55,273 INFO L168 Benchmark]: Boogie Preprocessor took 764.82 ms. Allocated memory is still 1.0 GB. Free memory was 816.8 MB in the beginning and 765.2 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:02:55,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 9367.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 892.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 270.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 689.83 ms. Allocated memory is still 1.0 GB. Free memory was 892.6 MB in the beginning and 816.8 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 764.82 ms. Allocated memory is still 1.0 GB. Free memory was 816.8 MB in the beginning and 765.2 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...