./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a392558b157800b1e3eb593ecf3b38e4b620b365 .................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:30:31,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:30:31,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:30:31,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:30:31,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:30:31,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:30:31,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:30:31,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:30:31,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:30:31,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:30:31,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:30:31,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:30:31,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:30:31,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:30:31,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:30:31,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:30:31,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:30:31,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:30:31,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:30:31,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:30:31,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:30:31,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:30:31,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:30:32,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:30:32,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:30:32,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:30:32,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:30:32,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:30:32,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:30:32,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:30:32,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:30:32,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:30:32,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:30:32,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:30:32,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:30:32,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:30:32,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:30:32,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:30:32,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:30:32,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:30:32,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:30:32,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:30:32,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:30:32,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:30:32,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:30:32,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:30:32,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:30:32,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:30:32,044 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:30:32,045 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:30:32,045 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:30:32,045 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:30:32,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:30:32,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:30:32,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:30:32,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:30:32,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:30:32,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:30:32,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:30:32,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:30:32,049 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:30:32,050 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a392558b157800b1e3eb593ecf3b38e4b620b365 [2021-08-31 01:30:32,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:30:32,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:30:32,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:30:32,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:30:32,325 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:30:32,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2021-08-31 01:30:32,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24d0d1d3/5a46a8fa39604de0b7c9eac659b377e5/FLAGaf5c734ed [2021-08-31 01:30:32,744 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:30:32,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2021-08-31 01:30:32,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24d0d1d3/5a46a8fa39604de0b7c9eac659b377e5/FLAGaf5c734ed [2021-08-31 01:30:32,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24d0d1d3/5a46a8fa39604de0b7c9eac659b377e5 [2021-08-31 01:30:32,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:30:32,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:30:32,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:30:32,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:30:32,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:30:32,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b8f977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32, skipping insertion in model container [2021-08-31 01:30:32,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:30:32,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:30:32,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:30:32,881 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:30:32,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:30:32,904 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:30:32,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32 WrapperNode [2021-08-31 01:30:32,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:30:32,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:30:32,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:30:32,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:30:32,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:30:32,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:30:32,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:30:32,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:30:32,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:30:32,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:30:32,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:30:32,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:30:32,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (1/1) ... [2021-08-31 01:30:32,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:30:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:30:32,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:30:32,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:30:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:30:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:30:33,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:30:33,074 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-31 01:30:33,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:30:33 BoogieIcfgContainer [2021-08-31 01:30:33,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:30:33,076 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:30:33,076 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:30:33,078 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:30:33,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:30:33,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:30:32" (1/3) ... [2021-08-31 01:30:33,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a990cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:30:33, skipping insertion in model container [2021-08-31 01:30:33,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:30:33,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:30:32" (2/3) ... [2021-08-31 01:30:33,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a990cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:30:33, skipping insertion in model container [2021-08-31 01:30:33,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:30:33,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:30:33" (3/3) ... [2021-08-31 01:30:33,081 INFO L389 chiAutomizerObserver]: Analyzing ICFG ComplInterv2.c [2021-08-31 01:30:33,122 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:30:33,122 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:30:33,122 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:30:33,122 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:30:33,122 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:30:33,122 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:30:33,123 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:30:33,123 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:30:33,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:30:33,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:30:33,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:30:33,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:30:33,142 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:30:33,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:30:33,143 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:30:33,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:30:33,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:30:33,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:30:33,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:30:33,145 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:30:33,145 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:30:33,149 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L10-1true [2021-08-31 01:30:33,149 INFO L793 eck$LassoCheckResult]: Loop: 6#L10-1true assume !!(0 != main_~i~0); 5#L10true assume !(main_~i~0 > -5 && main_~i~0 < 5); 6#L10-1true [2021-08-31 01:30:33,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:30:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-31 01:30:33,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:30:33,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721564996] [2021-08-31 01:30:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:30:33,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:30:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,216 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:30:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:30:33,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:30:33,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1298, now seen corresponding path program 1 times [2021-08-31 01:30:33,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:30:33,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206051943] [2021-08-31 01:30:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:30:33,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:30:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,246 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:30:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:30:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:30:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash 31089, now seen corresponding path program 1 times [2021-08-31 01:30:33,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:30:33,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632489191] [2021-08-31 01:30:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:30:33,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:30:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,255 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:30:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:30:33,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:30:33,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:30:33,340 INFO L158 Benchmark]: Toolchain (without parser) took 575.60ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 43.5MB in the end (delta: -8.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-08-31 01:30:33,341 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:30:33,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.07ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 40.2MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 01:30:33,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 38.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:30:33,349 INFO L158 Benchmark]: Boogie Preprocessor took 10.84ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.1MB in the end (delta: 790.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:30:33,350 INFO L158 Benchmark]: RCFGBuilder took 133.57ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 30.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 01:30:33,350 INFO L158 Benchmark]: BuchiAutomizer took 263.10ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 43.5MB in the end (delta: -12.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-08-31 01:30:33,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.07ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 40.2MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 38.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.84ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.1MB in the end (delta: 790.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 133.57ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 30.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 263.10ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 43.5MB in the end (delta: -12.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:30:33,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...