./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label20.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_label20.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 f6e53bbff1b5ab148aad810c5c6aeade951d7542 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:10:07,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:10:07,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:10:07,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:10:07,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:10:07,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:10:07,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:10:07,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:10:07,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:10:07,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:10:07,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:10:07,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:10:07,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:10:07,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:10:07,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:10:07,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:10:07,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:10:07,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:10:07,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:10:07,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:10:07,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:10:07,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:10:07,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:10:07,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:10:07,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:10:07,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:10:07,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:10:07,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:10:07,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:10:07,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:10:07,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:10:07,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:10:07,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:10:07,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:10:07,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:10:07,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:10:07,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:10:07,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:10:07,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:10:07,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:10:07,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:10:07,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:10:08,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:10:08,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:10:08,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:10:08,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:10:08,042 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:10:08,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:10:08,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:10:08,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:10:08,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:10:08,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:10:08,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:10:08,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:10:08,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:10:08,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:10:08,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:10:08,054 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:10:08,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:10:08,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:10:08,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:10:08,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:10:08,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:10:08,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:10:08,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:10:08,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:10:08,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:10:08,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:10:08,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:10:08,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:10:08,062 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 -> f6e53bbff1b5ab148aad810c5c6aeade951d7542 [2019-11-16 21:10:08,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:10:08,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:10:08,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:10:08,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:10:08,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:10:08,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-16 21:10:08,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e32f4110/a547b8e40c68438ab4a254eeb257a0c8/FLAG899e222f8 [2019-11-16 21:10:10,643 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:10:10,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-16 21:10:10,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e32f4110/a547b8e40c68438ab4a254eeb257a0c8/FLAG899e222f8 [2019-11-16 21:10:10,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e32f4110/a547b8e40c68438ab4a254eeb257a0c8 [2019-11-16 21:10:10,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:10:10,777 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:10:10,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:10:10,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:10:10,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:10:10,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:10:10" (1/1) ... [2019-11-16 21:10:10,801 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 09:10:10, skipping insertion in model container [2019-11-16 21:10:10,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:10:10" (1/1) ... [2019-11-16 21:10:10,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:10:11,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:10:14,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:10:14,352 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:10:15,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:10:15,739 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:10:15,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15 WrapperNode [2019-11-16 21:10:15,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:10:15,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:10:15,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:10:15,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:10:15,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:15,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:16,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:10:16,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:10:16,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:10:16,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:10:16,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:16,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:16,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:16,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:16,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:17,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:17,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:10:15" (1/1) ... [2019-11-16 21:10:17,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:10:17,832 INFO L168 Benchmark]: Toolchain (without parser) took 7052.03 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 911.2 MB in the end (delta: 39.0 MB). Peak memory consumption was 313.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:17,836 INFO L168 Benchmark]: CDTParser took 0.39 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 21:10:17,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4964.77 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 21:10:17,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 769.97 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:17,845 INFO L168 Benchmark]: Boogie Preprocessor took 1309.57 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 911.2 MB in the end (delta: -159.3 MB). Peak memory consumption was 115.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:10:17,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 4964.77 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 769.97 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1309.57 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 911.2 MB in the end (delta: -159.3 MB). Peak memory consumption was 115.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...