./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_label31.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 50d6d4e0211132f94bfb222f1323990fd1f07d35 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/eca-rers2012/Problem06_label31.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 50d6d4e0211132f94bfb222f1323990fd1f07d35 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:24:56,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:24:56,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:24:56,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:24:56,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:24:56,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:24:56,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:24:56,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:24:56,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:24:56,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:24:56,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:24:56,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:24:56,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:24:56,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:24:56,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:24:56,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:24:56,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:24:56,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:24:56,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:24:56,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:24:56,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:24:56,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:24:56,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:24:56,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:24:56,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:24:56,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:24:56,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:24:56,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:24:56,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:24:56,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:24:56,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:24:56,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:24:56,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:24:56,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:24:56,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:24:56,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:24:56,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:24:56,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:24:56,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:24:56,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:24:56,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:24:56,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:24:56,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:24:56,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:24:56,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:24:56,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:24:56,708 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:24:56,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:24:56,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:24:56,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:24:56,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:24:56,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:24:56,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:24:56,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:24:56,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:24:56,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:24:56,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:24:56,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:24:56,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:24:56,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:24:56,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:24:56,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:24:56,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:24:56,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:24:56,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:24:56,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:24:56,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:24:56,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:24:56,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:24:56,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:24:56,724 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 -> 50d6d4e0211132f94bfb222f1323990fd1f07d35 [2019-11-27 09:24:57,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:24:57,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:24:57,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:24:57,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:24:57,479 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:24:57,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label31.c [2019-11-27 09:24:57,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6a381a1/194971da1edd4693ae81a2d101944882/FLAG9669aa963 [2019-11-27 09:24:59,761 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:24:59,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label31.c [2019-11-27 09:24:59,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6a381a1/194971da1edd4693ae81a2d101944882/FLAG9669aa963 [2019-11-27 09:24:59,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6a381a1/194971da1edd4693ae81a2d101944882 [2019-11-27 09:24:59,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:24:59,947 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:24:59,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:24:59,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:24:59,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:24:59,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:59" (1/1) ... [2019-11-27 09:24:59,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:59, skipping insertion in model container [2019-11-27 09:24:59,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:59" (1/1) ... [2019-11-27 09:24:59,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:25:00,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:25:04,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:25:04,994 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:25:07,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:25:07,564 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:25:07,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07 WrapperNode [2019-11-27 09:25:07,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:25:07,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:25:07,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:25:07,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:25:07,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:07,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:25:08,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:25:08,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:25:08,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:25:08,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:07" (1/1) ... [2019-11-27 09:25:08,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:25:08,978 INFO L168 Benchmark]: Toolchain (without parser) took 9028.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 775.0 MB in the end (delta: 163.8 MB). Peak memory consumption was 163.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:08,979 INFO L168 Benchmark]: CDTParser took 2.53 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. [2019-11-27 09:25:08,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7617.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 903.0 MB in the end (delta: 35.8 MB). Peak memory consumption was 277.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:08,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 648.02 ms. Allocated memory is still 1.0 GB. Free memory was 903.0 MB in the beginning and 825.0 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:08,990 INFO L168 Benchmark]: Boogie Preprocessor took 754.09 ms. Allocated memory is still 1.0 GB. Free memory was 825.0 MB in the beginning and 775.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:09,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 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 7617.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 903.0 MB in the end (delta: 35.8 MB). Peak memory consumption was 277.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 648.02 ms. Allocated memory is still 1.0 GB. Free memory was 903.0 MB in the beginning and 825.0 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 754.09 ms. Allocated memory is still 1.0 GB. Free memory was 825.0 MB in the beginning and 775.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 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-da95e15 [2019-11-27 09:25:13,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:25:13,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:25:13,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:25:13,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:25:13,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:25:13,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:25:13,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:25:13,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:25:13,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:25:13,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:25:13,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:25:13,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:25:13,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:25:13,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:25:13,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:25:13,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:25:13,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:25:13,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:25:13,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:25:13,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:25:13,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:25:13,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:25:13,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:25:13,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:25:13,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:25:13,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:25:13,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:25:13,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:25:13,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:25:13,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:25:13,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:25:13,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:25:13,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:25:13,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:25:13,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:25:13,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:25:13,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:25:13,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:25:13,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:25:13,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:25:13,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:25:13,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:25:13,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:25:13,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:25:13,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:25:13,255 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:25:13,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:25:13,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:25:13,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:25:13,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:25:13,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:25:13,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:25:13,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:25:13,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:25:13,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:25:13,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:25:13,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:25:13,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:25:13,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:25:13,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:25:13,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:25:13,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:25:13,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:25:13,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:25:13,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:25:13,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:25:13,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:25:13,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:25:13,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:25:13,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:25:13,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:25:13,274 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 -> 50d6d4e0211132f94bfb222f1323990fd1f07d35 [2019-11-27 09:25:13,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:25:13,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:25:13,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:25:13,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:25:13,881 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:25:13,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label31.c [2019-11-27 09:25:14,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845fbced8/167f456b85df475886680cd4741af214/FLAG7726e84b6 [2019-11-27 09:25:16,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:25:16,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label31.c [2019-11-27 09:25:16,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845fbced8/167f456b85df475886680cd4741af214/FLAG7726e84b6 [2019-11-27 09:25:16,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845fbced8/167f456b85df475886680cd4741af214 [2019-11-27 09:25:16,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:25:16,234 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:25:16,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:25:16,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:25:16,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:25:16,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:25:16" (1/1) ... [2019-11-27 09:25:16,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:16, skipping insertion in model container [2019-11-27 09:25:16,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:25:16" (1/1) ... [2019-11-27 09:25:16,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:25:16,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:25:21,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:25:21,212 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:25:23,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:25:23,851 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:25:23,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23 WrapperNode [2019-11-27 09:25:23,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:25:23,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:25:23,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:25:23,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:25:23,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:24,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:24,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:25:24,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:25:24,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:25:24,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:25:24,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:24,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:24,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:24,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:25,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:25,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:25,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:25:23" (1/1) ... [2019-11-27 09:25:25,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:25:25,392 INFO L168 Benchmark]: Toolchain (without parser) took 9150.07 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 763.5 MB in the end (delta: 169.5 MB). Peak memory consumption was 169.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:25,393 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 09:25:25,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7618.29 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 889.0 MB in the end (delta: 44.0 MB). Peak memory consumption was 269.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:25,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 851.11 ms. Allocated memory is still 1.0 GB. Free memory was 889.0 MB in the beginning and 813.9 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:25,401 INFO L168 Benchmark]: Boogie Preprocessor took 672.91 ms. Allocated memory is still 1.0 GB. Free memory was 813.9 MB in the beginning and 763.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:25:25,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 7618.29 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 889.0 MB in the end (delta: 44.0 MB). Peak memory consumption was 269.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 851.11 ms. Allocated memory is still 1.0 GB. Free memory was 889.0 MB in the beginning and 813.9 MB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 672.91 ms. Allocated memory is still 1.0 GB. Free memory was 813.9 MB in the beginning and 763.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...