./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loops/while_infinite_loop_4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f ................................................................................................................................................................................................................................................................................................................................................. 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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_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 02:41:45,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:41:45,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:41:45,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:41:45,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:41:45,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:41:45,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:41:45,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:41:45,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:41:45,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:41:45,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:41:45,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:41:45,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:41:45,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:41:45,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:41:45,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:41:45,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:41:45,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:41:45,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:41:45,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:41:45,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:41:45,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:41:45,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:41:45,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:41:45,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:41:45,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:41:45,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:41:45,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:41:45,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:41:45,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:41:45,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:41:45,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:41:45,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:41:45,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:41:45,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:41:45,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:41:45,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:41:45,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:41:45,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:41:45,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:41:45,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:41:45,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:41:45,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:41:45,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:41:45,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:41:45,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:41:45,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:41:45,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:41:45,905 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:41:45,905 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:41:45,905 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:41:45,905 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:41:45,906 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:41:45,906 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:41:45,906 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:41:45,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:41:45,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:41:45,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:41:45,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:41:45,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:41:45,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:41:45,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:41:45,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:41:45,910 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:41:45,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f [2021-08-31 02:41:46,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:41:46,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:41:46,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:41:46,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:41:46,337 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:41:46,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_4.c [2021-08-31 02:41:46,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38308c58c/df1780071fdb4d7a8db2904de99ddb11/FLAG5964cf368 [2021-08-31 02:41:46,758 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:41:46,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c [2021-08-31 02:41:46,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38308c58c/df1780071fdb4d7a8db2904de99ddb11/FLAG5964cf368 [2021-08-31 02:41:46,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38308c58c/df1780071fdb4d7a8db2904de99ddb11 [2021-08-31 02:41:46,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:41:46,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:41:46,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:46,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:41:46,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:41:46,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0da6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46, skipping insertion in model container [2021-08-31 02:41:46,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:41:46,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:41:46,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c[333,346] [2021-08-31 02:41:46,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:46,877 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:41:46,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c[333,346] [2021-08-31 02:41:46,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:46,893 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:41:46,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46 WrapperNode [2021-08-31 02:41:46,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:46,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:46,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:41:46,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:41:46,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:46,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:41:46,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:41:46,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:41:46,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:41:46,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:41:46,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:41:46,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:41:46,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (1/1) ... [2021-08-31 02:41:46,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:46,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:46,985 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 02:41:46,986 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 02:41:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:41:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:41:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:41:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:41:47,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:41:47,130 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-31 02:41:47,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:47 BoogieIcfgContainer [2021-08-31 02:41:47,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:41:47,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:41:47,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:41:47,135 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:41:47,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:47,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:41:46" (1/3) ... [2021-08-31 02:41:47,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ffb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:47, skipping insertion in model container [2021-08-31 02:41:47,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:47,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:46" (2/3) ... [2021-08-31 02:41:47,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ffb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:47, skipping insertion in model container [2021-08-31 02:41:47,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:47,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:47" (3/3) ... [2021-08-31 02:41:47,138 INFO L389 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_4.c [2021-08-31 02:41:47,180 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:41:47,180 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:41:47,181 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:41:47,181 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:41:47,181 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:41:47,181 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:41:47,181 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:41:47,181 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:41:47,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 02:41:47,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 02:41:47,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:47,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:47,216 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:47,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:41:47,217 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:41:47,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 02:41:47,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 02:41:47,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:47,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:47,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:47,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:41:47,225 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 7#L-1true havoc main_#res; 6#L6-2true [2021-08-31 02:41:47,226 INFO L793 eck$LassoCheckResult]: Loop: 6#L6-2true assume !false; 3#L16loopEntrytrue assume false; 14#L16-2true __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 12#L6true assume !(0 == __VERIFIER_assert_~cond); 6#L6-2true [2021-08-31 02:41:47,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:47,229 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 02:41:47,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:47,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378851182] [2021-08-31 02:41:47,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:47,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:47,308 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:47,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:47,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1269327, now seen corresponding path program 1 times [2021-08-31 02:41:47,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:47,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779631948] [2021-08-31 02:41:47,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:47,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:41:47,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:41:47,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779631948] [2021-08-31 02:41:47,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779631948] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:41:47,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:41:47,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:41:47,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932508868] [2021-08-31 02:41:47,429 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 02:41:47,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:41:47,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 02:41:47,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 02:41:47,466 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 02:41:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:41:47,493 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-08-31 02:41:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 02:41:47,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2021-08-31 02:41:47,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:41:47,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 6 transitions. [2021-08-31 02:41:47,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-31 02:41:47,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-08-31 02:41:47,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-08-31 02:41:47,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:41:47,501 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 02:41:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-08-31 02:41:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-08-31 02:41:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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 02:41:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-08-31 02:41:47,534 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 02:41:47,534 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-08-31 02:41:47,534 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:41:47,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-08-31 02:41:47,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:41:47,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:47,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:47,535 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:47,535 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:41:47,536 INFO L791 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 32#L-1 havoc main_#res; 33#L6-2 [2021-08-31 02:41:47,536 INFO L793 eck$LassoCheckResult]: Loop: 33#L6-2 assume !false; 29#L16loopEntry assume !false;~x~0 := 1; 30#L16-2 __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 34#L6 assume !(0 == __VERIFIER_assert_~cond); 33#L6-2 [2021-08-31 02:41:47,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:47,536 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-08-31 02:41:47,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:47,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699237929] [2021-08-31 02:41:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:47,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:47,546 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:47,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:47,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:47,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1271249, now seen corresponding path program 1 times [2021-08-31 02:41:47,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:47,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049160652] [2021-08-31 02:41:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:47,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:41:47,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:41:47,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049160652] [2021-08-31 02:41:47,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049160652] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:41:47,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:41:47,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:41:47,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545368763] [2021-08-31 02:41:47,624 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 02:41:47,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:41:47,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 02:41:47,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 02:41:47,625 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 02:41:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:41:47,663 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2021-08-31 02:41:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-31 02:41:47,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 5 transitions. [2021-08-31 02:41:47,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:47,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2021-08-31 02:41:47,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:41:47,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:41:47,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:41:47,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:41:47,665 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:47,665 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:47,665 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:47,665 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 02:41:47,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 02:41:47,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:47,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:41:47,667 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 02:41:47,669 INFO L158 Benchmark]: Toolchain (without parser) took 894.58ms. Allocated memory is still 54.5MB. Free memory was 37.7MB in the beginning and 25.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,670 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:47,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.33ms. Allocated memory is still 54.5MB. Free memory was 37.6MB in the beginning and 28.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 54.5MB. Free memory was 28.3MB in the beginning and 38.4MB in the end (delta: -10.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,671 INFO L158 Benchmark]: Boogie Preprocessor took 38.81ms. Allocated memory is still 54.5MB. Free memory was 38.4MB in the beginning and 37.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,671 INFO L158 Benchmark]: RCFGBuilder took 168.86ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 29.1MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,672 INFO L158 Benchmark]: BuchiAutomizer took 535.60ms. Allocated memory is still 54.5MB. Free memory was 29.0MB in the beginning and 25.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-08-31 02:41:47,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119.33ms. Allocated memory is still 54.5MB. Free memory was 37.6MB in the beginning and 28.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 54.5MB. Free memory was 28.3MB in the beginning and 38.4MB in the end (delta: -10.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.81ms. Allocated memory is still 54.5MB. Free memory was 38.4MB in the beginning and 37.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 168.86ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 29.1MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 535.60ms. Allocated memory is still 54.5MB. Free memory was 29.0MB in the beginning and 25.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. * 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 02:41:47,716 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...