./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label16.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/Problem04_label16.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 055f7ff45ae573e5decb022b755a45c7dddf5dbc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_label16.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 055f7ff45ae573e5decb022b755a45c7dddf5dbc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:22:29,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:22:29,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:22:29,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:22:29,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:22:29,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:22:29,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:22:29,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:22:29,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:22:29,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:22:29,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:22:30,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:22:30,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:22:30,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:22:30,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:22:30,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:22:30,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:22:30,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:22:30,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:22:30,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:22:30,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:22:30,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:22:30,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:22:30,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:22:30,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:22:30,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:22:30,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:22:30,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:22:30,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:22:30,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:22:30,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:22:30,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:22:30,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:22:30,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:22:30,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:22:30,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:22:30,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:22:30,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:22:30,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:22:30,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:22:30,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:22:30,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:22:30,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:22:30,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:22:30,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:22:30,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:22:30,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:22:30,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:22:30,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:22:30,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:22:30,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:22:30,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:22:30,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:22:30,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:22:30,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:22:30,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:22:30,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:22:30,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:22:30,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:22:30,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:22:30,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:22:30,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:22:30,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:22:30,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:22:30,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:22:30,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:22:30,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:22:30,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:22:30,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:22:30,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:22:30,162 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 -> 055f7ff45ae573e5decb022b755a45c7dddf5dbc [2019-11-27 09:22:30,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:22:30,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:22:30,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:22:30,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:22:30,740 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:22:30,743 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label16.c [2019-11-27 09:22:30,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d673772/7a3e57cb6bfb4bc88bce214ebe21ea0c/FLAGb36e669ed [2019-11-27 09:22:32,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:22:32,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label16.c [2019-11-27 09:22:32,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d673772/7a3e57cb6bfb4bc88bce214ebe21ea0c/FLAGb36e669ed [2019-11-27 09:22:32,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d673772/7a3e57cb6bfb4bc88bce214ebe21ea0c [2019-11-27 09:22:32,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:22:32,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:22:32,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:32,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:22:32,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:22:32,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:32" (1/1) ... [2019-11-27 09:22:32,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:32, skipping insertion in model container [2019-11-27 09:22:32,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:32" (1/1) ... [2019-11-27 09:22:32,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:22:33,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:22:36,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:36,077 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:22:37,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:37,768 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:22:37,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37 WrapperNode [2019-11-27 09:22:37,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:37,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:37,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:22:37,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:22:37,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:37,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:38,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:22:38,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:22:38,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:22:38,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:37" (1/1) ... [2019-11-27 09:22:38,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:22:38,791 INFO L168 Benchmark]: Toolchain (without parser) took 6020.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 751.6 MB in the end (delta: 192.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:38,794 INFO L168 Benchmark]: CDTParser took 0.48 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 09:22:38,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4999.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:38,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 495.40 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:38,802 INFO L168 Benchmark]: Boogie Preprocessor took 514.85 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:38,814 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 4999.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 495.40 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 514.85 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 09:22:42,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:22:42,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:22:42,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:22:42,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:22:42,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:22:42,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:22:42,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:22:42,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:22:42,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:22:42,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:22:42,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:22:42,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:22:42,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:22:42,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:22:42,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:22:42,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:22:42,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:22:42,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:22:42,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:22:42,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:22:42,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:22:42,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:22:42,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:22:42,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:22:42,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:22:42,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:22:42,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:22:42,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:22:42,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:22:42,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:22:42,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:22:42,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:22:42,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:22:42,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:22:42,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:22:42,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:22:42,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:22:42,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:22:42,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:22:42,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:22:42,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:22:42,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:22:42,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:22:42,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:22:42,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:22:42,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:22:42,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:22:42,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:22:42,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:22:42,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:22:42,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:22:42,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:22:42,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:22:42,878 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:22:42,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:22:42,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:22:42,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:22:42,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:22:42,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:22:42,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:22:42,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:22:42,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:22:42,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:22:42,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:22:42,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:22:42,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:22:42,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:22:42,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:22:42,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:22:42,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:22:42,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:22:42,890 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 -> 055f7ff45ae573e5decb022b755a45c7dddf5dbc [2019-11-27 09:22:43,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:22:43,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:22:43,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:22:43,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:22:43,464 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:22:43,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label16.c [2019-11-27 09:22:43,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2842428/d5a9f088d2b4434eb7001d9c69fe074a/FLAG64a92fc9e [2019-11-27 09:22:45,260 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:22:45,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label16.c [2019-11-27 09:22:45,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2842428/d5a9f088d2b4434eb7001d9c69fe074a/FLAG64a92fc9e [2019-11-27 09:22:45,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2842428/d5a9f088d2b4434eb7001d9c69fe074a [2019-11-27 09:22:45,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:22:45,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:22:45,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:45,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:22:45,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:22:45,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:45" (1/1) ... [2019-11-27 09:22:45,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:45, skipping insertion in model container [2019-11-27 09:22:45,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:45" (1/1) ... [2019-11-27 09:22:45,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:22:45,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:22:48,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:48,784 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:22:50,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:50,423 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:22:50,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50 WrapperNode [2019-11-27 09:22:50,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:50,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:50,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:22:50,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:22:50,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:50,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:50,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:50,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:22:50,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:22:50,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:22:50,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:50" (1/1) ... [2019-11-27 09:22:51,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:22:51,425 INFO L168 Benchmark]: Toolchain (without parser) took 6043.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 733.7 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:51,426 INFO L168 Benchmark]: CDTParser took 3.44 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 09:22:51,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5045.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 797.5 MB in the end (delta: 147.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:51,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 542.13 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:51,432 INFO L168 Benchmark]: Boogie Preprocessor took 446.68 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 733.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:51,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.44 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 5045.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 797.5 MB in the end (delta: 147.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 542.13 ms. Allocated memory is still 1.0 GB. Free memory was 797.5 MB in the beginning and 763.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 446.68 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 733.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...