./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/Problem10_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 1526c68070720602d1aaf18c59ad5d7427388bd5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem10_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 1526c68070720602d1aaf18c59ad5d7427388bd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:45:12,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:45:12,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:45:12,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:45:12,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:45:12,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:45:12,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:45:12,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:45:12,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:45:12,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:45:12,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:45:12,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:45:12,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:45:12,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:45:12,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:45:12,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:45:12,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:45:12,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:45:12,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:45:12,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:45:12,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:45:12,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:45:12,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:45:12,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:45:12,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:45:12,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:45:12,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:45:12,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:45:12,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:45:12,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:45:12,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:45:12,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:45:12,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:45:12,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:45:12,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:45:12,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:45:12,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:45:12,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:45:12,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:45:12,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:45:12,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:45:12,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:45:13,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:45:13,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:45:13,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:45:13,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:45:13,039 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:45:13,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:45:13,041 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:45:13,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:45:13,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:45:13,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:45:13,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:45:13,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:45:13,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:45:13,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:45:13,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:45:13,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:45:13,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:45:13,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:45:13,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:45:13,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:45:13,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:45:13,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:45:13,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:45:13,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:45:13,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:45:13,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:45:13,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:45:13,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:45:13,055 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 -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2019-11-26 16:45:13,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:45:13,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:45:13,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:45:13,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:45:13,683 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:45:13,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-26 16:45:13,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47c56425/a89b74128bde4fdd8b37d1badb7d5b6a/FLAG45071e011 [2019-11-26 16:45:15,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:45:15,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-26 16:45:15,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47c56425/a89b74128bde4fdd8b37d1badb7d5b6a/FLAG45071e011 [2019-11-26 16:45:15,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47c56425/a89b74128bde4fdd8b37d1badb7d5b6a [2019-11-26 16:45:15,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:45:15,124 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:45:15,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:45:15,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:45:15,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:45:15,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:45:15" (1/1) ... [2019-11-26 16:45:15,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:15, skipping insertion in model container [2019-11-26 16:45:15,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:45:15" (1/1) ... [2019-11-26 16:45:15,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:45:15,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:45:16,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:45:16,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:45:16,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:45:16,707 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:45:16,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16 WrapperNode [2019-11-26 16:45:16,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:45:16,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:45:16,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:45:16,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:45:16,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:16,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:16,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:45:16,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:45:16,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:45:16,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:45:16,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:16,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:16,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:16,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:17,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:17,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:17,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:16" (1/1) ... [2019-11-26 16:45:17,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:45:17,175 INFO L168 Benchmark]: Toolchain (without parser) took 2050.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.3 MB in the end (delta: 387.6 kB). Peak memory consumption was 453.1 kB. Max. memory is 12.5 GB. [2019-11-26 16:45:17,179 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. [2019-11-26 16:45:17,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1581.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:17,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 234.23 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:17,186 INFO L168 Benchmark]: Boogie Preprocessor took 216.38 ms. Allocated memory is still 1.0 GB. Free memory was 967.0 MB in the beginning and 961.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:17,198 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 1581.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 234.23 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.38 ms. Allocated memory is still 1.0 GB. Free memory was 967.0 MB in the beginning and 961.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 0.1.24-025d5a2 [2019-11-26 16:45:20,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:45:20,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:45:20,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:45:20,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:45:20,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:45:20,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:45:20,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:45:21,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:45:21,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:45:21,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:45:21,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:45:21,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:45:21,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:45:21,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:45:21,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:45:21,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:45:21,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:45:21,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:45:21,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:45:21,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:45:21,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:45:21,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:45:21,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:45:21,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:45:21,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:45:21,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:45:21,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:45:21,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:45:21,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:45:21,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:45:21,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:45:21,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:45:21,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:45:21,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:45:21,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:45:21,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:45:21,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:45:21,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:45:21,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:45:21,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:45:21,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:45:21,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:45:21,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:45:21,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:45:21,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:45:21,144 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:45:21,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:45:21,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:45:21,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:45:21,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:45:21,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:45:21,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:45:21,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:45:21,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:45:21,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:45:21,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:45:21,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:45:21,150 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:45:21,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:45:21,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:45:21,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:45:21,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:45:21,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:45:21,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:45:21,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:45:21,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:45:21,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:45:21,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:45:21,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:45:21,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:45:21,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:45:21,159 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 -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2019-11-26 16:45:21,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:45:21,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:45:21,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:45:21,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:45:21,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:45:21,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-26 16:45:21,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8975cf8c1/81bc422058ac4e72aeba4e8f53ddf42c/FLAG4786c8a30 [2019-11-26 16:45:23,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:45:23,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-26 16:45:23,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8975cf8c1/81bc422058ac4e72aeba4e8f53ddf42c/FLAG4786c8a30 [2019-11-26 16:45:23,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8975cf8c1/81bc422058ac4e72aeba4e8f53ddf42c [2019-11-26 16:45:23,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:45:23,624 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:45:23,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:45:23,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:45:23,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:45:23,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:45:23" (1/1) ... [2019-11-26 16:45:23,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:23, skipping insertion in model container [2019-11-26 16:45:23,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:45:23" (1/1) ... [2019-11-26 16:45:23,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:45:23,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:45:24,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:45:24,925 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:45:25,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:45:25,312 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:45:25,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25 WrapperNode [2019-11-26 16:45:25,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:45:25,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:45:25,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:45:25,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:45:25,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:45:25,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:45:25,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:45:25,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:45:25,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:45:25" (1/1) ... [2019-11-26 16:45:25,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:45:25,631 INFO L168 Benchmark]: Toolchain (without parser) took 2006.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 960.9 MB in the end (delta: 773.8 kB). Peak memory consumption was 839.3 kB. Max. memory is 12.5 GB. [2019-11-26 16:45:25,636 INFO L168 Benchmark]: CDTParser took 1.25 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. [2019-11-26 16:45:25,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1686.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:25,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.74 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:25,644 INFO L168 Benchmark]: Boogie Preprocessor took 136.82 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:45:25,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 1686.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.74 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.82 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...