./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 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/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 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/Problem12_label20.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 f6e53bbff1b5ab148aad810c5c6aeade951d7542 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:33:34,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:33:34,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:33:34,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:33:34,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:33:34,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:33:34,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:33:34,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:33:34,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:33:34,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:33:34,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:33:34,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:33:34,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:33:34,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:33:34,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:33:34,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:33:34,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:33:34,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:33:34,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:33:34,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:33:34,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:33:34,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:33:34,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:33:34,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:33:34,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:33:34,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:33:34,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:33:35,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:33:35,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:33:35,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:33:35,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:33:35,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:33:35,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:33:35,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:33:35,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:33:35,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:33:35,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:33:35,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:33:35,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:33:35,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:33:35,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:33:35,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:33:35,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:33:35,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:33:35,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:33:35,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:33:35,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:33:35,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:33:35,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:33:35,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:33:35,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:33:35,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:33:35,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:33:35,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:33:35,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:33:35,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:33:35,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:33:35,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:33:35,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:33:35,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:33:35,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:33:35,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:33:35,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:33:35,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:33:35,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:33:35,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:33:35,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:33:35,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:33:35,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:33:35,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:33:35,089 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 [2019-11-27 09:33:35,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:33:35,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:33:35,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:33:35,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:33:35,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:33:35,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-27 09:33:35,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a453c62/afe2a759c1c3408ca45db04a1202fe56/FLAGff0726146 [2019-11-27 09:33:37,525 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:33:37,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-27 09:33:37,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a453c62/afe2a759c1c3408ca45db04a1202fe56/FLAGff0726146 [2019-11-27 09:33:38,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a453c62/afe2a759c1c3408ca45db04a1202fe56 [2019-11-27 09:33:38,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:33:38,039 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:33:38,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:38,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:33:38,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:33:38,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:38" (1/1) ... [2019-11-27 09:33:38,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666b495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:38, skipping insertion in model container [2019-11-27 09:33:38,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:38" (1/1) ... [2019-11-27 09:33:38,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:33:38,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:33:40,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:41,012 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:33:42,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:42,428 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:33:42,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42 WrapperNode [2019-11-27 09:33:42,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:42,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:42,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:33:42,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:33:42,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:42,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:43,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:33:43,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:33:43,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:33:43,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:43,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:42" (1/1) ... [2019-11-27 09:33:44,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:33:44,179 INFO L168 Benchmark]: Toolchain (without parser) took 6133.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 719.5 MB in the end (delta: 236.4 MB). Peak memory consumption was 236.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:44,182 INFO L168 Benchmark]: CDTParser took 1.29 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 09:33:44,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4385.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 830.9 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:44,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 858.39 ms. Allocated memory is still 1.0 GB. Free memory was 830.9 MB in the beginning and 756.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:44,192 INFO L168 Benchmark]: Boogie Preprocessor took 873.64 ms. Allocated memory is still 1.0 GB. Free memory was 756.4 MB in the beginning and 719.5 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:44,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 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 4385.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 830.9 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 858.39 ms. Allocated memory is still 1.0 GB. Free memory was 830.9 MB in the beginning and 756.4 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 873.64 ms. Allocated memory is still 1.0 GB. Free memory was 756.4 MB in the beginning and 719.5 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 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 09:33:48,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:33:48,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:33:48,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:33:48,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:33:48,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:33:48,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:33:48,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:33:48,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:33:48,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:33:48,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:33:48,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:33:48,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:33:48,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:33:48,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:33:48,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:33:48,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:33:48,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:33:48,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:33:48,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:33:48,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:33:48,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:33:48,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:33:48,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:33:48,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:33:48,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:33:48,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:33:48,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:33:48,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:33:48,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:33:48,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:33:48,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:33:48,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:33:48,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:33:48,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:33:48,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:33:48,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:33:48,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:33:48,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:33:48,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:33:48,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:33:48,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:33:48,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:33:48,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:33:48,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:33:48,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:33:48,708 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:33:48,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:33:48,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:33:48,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:33:48,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:33:48,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:33:48,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:33:48,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:33:48,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:33:48,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:33:48,714 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:33:48,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:33:48,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:33:48,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:33:48,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:33:48,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:33:48,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:33:48,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:33:48,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:33:48,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:33:48,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:33:48,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:33:48,722 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:33:48,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:33:48,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:33:48,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:33:48,725 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 -> f6e53bbff1b5ab148aad810c5c6aeade951d7542 [2019-11-27 09:33:49,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:33:49,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:33:49,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:33:49,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:33:49,333 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:33:49,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-27 09:33:49,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cb3e747/b696f72384ce41af8e535694f17cc0f8/FLAG65ba32bab [2019-11-27 09:33:51,219 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:33:51,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2019-11-27 09:33:51,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cb3e747/b696f72384ce41af8e535694f17cc0f8/FLAG65ba32bab [2019-11-27 09:33:51,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cb3e747/b696f72384ce41af8e535694f17cc0f8 [2019-11-27 09:33:51,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:33:51,695 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:33:51,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:51,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:33:51,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:33:51,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:51" (1/1) ... [2019-11-27 09:33:51,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:51, skipping insertion in model container [2019-11-27 09:33:51,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:33:51" (1/1) ... [2019-11-27 09:33:51,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:33:52,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:33:55,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:55,222 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:33:56,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:33:56,918 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:33:56,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56 WrapperNode [2019-11-27 09:33:56,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:33:56,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:56,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:33:56,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:33:56,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:33:57,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:33:57,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:33:57,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:33:57,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:33:56" (1/1) ... [2019-11-27 09:33:57,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:33:57,953 INFO L168 Benchmark]: Toolchain (without parser) took 6251.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 715.9 MB in the end (delta: 235.8 MB). Peak memory consumption was 235.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:57,954 INFO L168 Benchmark]: CDTParser took 0.97 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 09:33:57,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5223.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 784.6 MB in the end (delta: 167.0 MB). Peak memory consumption was 167.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:57,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 555.00 ms. Allocated memory is still 1.0 GB. Free memory was 784.6 MB in the beginning and 750.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:57,964 INFO L168 Benchmark]: Boogie Preprocessor took 460.72 ms. Allocated memory is still 1.0 GB. Free memory was 750.1 MB in the beginning and 715.9 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:33:57,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 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 5223.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 784.6 MB in the end (delta: 167.0 MB). Peak memory consumption was 167.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 555.00 ms. Allocated memory is still 1.0 GB. Free memory was 784.6 MB in the beginning and 750.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 460.72 ms. Allocated memory is still 1.0 GB. Free memory was 750.1 MB in the beginning and 715.9 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...